Bibliografie tematiche / JSCC

Letteratura scientifica selezionata sul tema "JSCC"

Autore: Grafiati

Pubblicato: 1 giugno 2024

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Articoli di riviste sul tema "JSCC":

Song, Mengshu, Nan Ma, Chen Dong, Xiaodong Xu e Ping Zhang. "Deep Joint Source-Channel Coding for Wireless Image Transmission with Adaptive Models". Electronics 12, n. 22 (13 novembre 2023): 4637. http://dx.doi.org/10.3390/electronics12224637.

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The implementation of joint source-channel coding (JSCC) schemes using deep learning has accelerated the development of semantic communication research. Existing JSCC schemes based on deep learning (DL) are trained on a fixed signal-to-noise ratio (SNR); however, these trained models are not designed for scenarios in which the SNR is dynamic. Therefore, a novel semantic adaptive model for semantic communication—called joint source-channel coding with adaptive models (AMJSCC)—that has a semantic adaptive model selection (SAMS) module is proposed. The joint source-channel encoding (JSCE) model and the joint source-channel decoding (JSCD) model adapt according to both real-time channel conditions and system available computational power resources. Furthermore, residual networks with different layers are investigated to further improve the accuracy of information recovery. Simulation results demonstrate that our model can achieve higher recovery similarity and is more robust and adaptive to the SNR and communication resources. Meanwhile, compared to the state-of-the-art deep JSCC methods, it reduces storage space and communication resource consumption.

Hata, Akihisa, Noboru Fujitani, Masahiro Takeshita, Chie Tanaka, Noriko Matsuda, Michiko Takaishi, Takako Shimokawa Miyama e Fumio Hoshi. "Comparison of regression for blood ALP levels using methods of the Japan Society of Clinical Chemistry and the International Federation of Clinical Chemistry and Laboratory Medicine in bovine, canine, feline, and human testing". PLOS ONE 16, n. 6 (16 giugno 2021): e0253396. http://dx.doi.org/10.1371/journal.pone.0253396.

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Livestock and companion animal health have a direct impact on human health. Research on clinical laboratory technology for veterinary medicine is as important as that on human laboratory technology. Reagents and analysis equipment for human medical laboratory tests are often used in veterinary medicine. Medical laboratories in Japan utilize the Japan Society of Clinical Chemistry (JSCC) method for blood alkaline phosphatase (ALP) analysis. The International Federation of Clinical Chemistry and Laboratory Medicine (IFCC) method is used worldwide for ALP catalytic concentration measurement. When the IFCC method is used, human blood ALP activity is approximately one-third of the JSCC method’s activity. The JSCC method for ALP measurement was switched to the IFCC method in medical laboratories in Japan in April 2020 for global standardization purpose. It is uncertain whether conventional JSCC method reagents will continue to be supplied. In veterinary medicine, the relationship between the JSCC and IFCC methods in terms of ALP measurement is almost unclear. This study investigated the regression between JSCC and IFCC methods measuring ALP in bovine, canine, feline, and human. The regression formulas for bovine, canine, feline, and human ALP values using the conventional JSCC (x) and IFCC (y) methods are y = 0.379x + 0.124, y = 0.289x + 8.291, y = 0.358x + 0.432, and y = 0.337x + 2.959, respectively. These results suggested that the IFCC method measurement could be estimated by approximately one-third of the JSCC method measurement in animal species such as bovine, canine, and feline. By applying the conversion factors proposed in this study, a very good correlation could be obtained between the two methods for each animal.

Yoshizawa, Akihiko, Kenzo Hiroshima, Akemi Takenaka, Reiji Haba, Kunimitsu Kawahara, Yuko Minami, Hirokuni Kakinuma et al. "Cytology Reporting System for Lung Cancer from the Japan Lung Cancer Society and the Japanese Society of Clinical Cytology: An Extensive Study Containing More Benign Lesions". Acta Cytologica 66, n. 2 (6 dicembre 2021): 124–33. http://dx.doi.org/10.1159/000520426.

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Introduction: The Japan Lung Cancer Society (JLCS) and the Japanese Society of Clinical Cytology (JSCC) have proposed a new four-tiered cytology reporting system for lung carcinoma (JLCS-JSCC system). Prior to the proposal, the Papanicolaou Society of Cytopathology (PSC) had proposed a revised reporting system (PSC system), which comprises the “neoplastic, benign neoplasm, and low-grade carcinoma” category (N-B-LG category), in addition to the 4 categories of the JLCS-JSCC system. This study aimed to evaluate the interobserver agreement of the JLCS-JSCC system with an additional dataset with more benign lesions in comparison with the PSC system. Methods: We analyzed 167 cytological samples, which included 17 benign lesions, obtained from the respiratory system. Seven observers classified these cases into each category by reviewing one Papanicolaou-stained slide per case according to the JLCS-JSCC system and PSC system. Results: The interobserver agreement was moderate in the JLCS-JSCC (k = 0.499) and PSC (k = 0.485) systems. Of the 167 samples, 17 samples were benign lesions: 7 pulmonary hamartomas, 5 sclerosing pneumocytomas, 2 squamous papillomas, one solitary fibrous tumor, one meningioma, and one lymphocytic proliferation. There were diverse sample types as follows: 11 touch smears, 3 brushing smears, 2 aspirations, and one sputum sample. Fourteen samples (82.3%) were categorized into “negative” or “atypical” by more than half of the observers in the JLCS-JSCC system. Conversely, 3 samples were categorized as “suspicious” or “malignant” by more than half of the observers in the JLCS-JSCC system. On the other hand, 11 samples (64.7%) were categorized into the N-B-LG category by more than half of the observers in the PSC system. Conclusions: The concordance rate in the JLCS-JSCC system was slightly higher than that in the PSC system; however, the interobserver agreement was moderate in both the JLCS-JSCC and PSC systems. These results indicate that both the JLCS-JSCC and PSC systems are clinically useful. Therefore, both systems are expected to have clinical applications. It may be important to integrate the 2 systems and construct a universal system that can be used more widely in clinical practice.

Furumoto, Kayo, Noboru Fujitani, Masakatsu Nohara e Akihisa Hata. "Comparison of Analytical Values after Changing to the International Standardized Method for Lactate Dehydrogenase and Alkaline Phosphatase Measurements in Mouse and Rat". Veterinary Sciences 9, n. 11 (27 ottobre 2022): 595. http://dx.doi.org/10.3390/vetsci9110595.

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Since April 2020, the method for lactate dehydrogenase (LD) and alkaline phosphatase (ALP) activity measurements in Japan has been switched from the Japan Society of Clinical Chemistry (JSCC) reference method, which is only used in Japan, to the International Federation of Clinical Chemistry and Laboratory Medicine (IFCC) reference method. However, in some species, the relationship between the blood values of both enzymes measured by the two methods remains unclear. Hence, values measured by these two methods cannot be used interchangeably. Therefore, this relationship was examined in ICR mice and Wistar/ST rats. The LD and ALP values obtained by both methods were plotted on scatter graphs, and regression equations were obtained. To compare the JSCC (x) and IFCC (y) methods, regression equations were generated for LD values in non-hemolytic samples as follows: y = 0.954x − 4.008 for ICR mice and y = 0.963x − 6.324 for Wistar/ST rats. The conversion factors from the JSCC to the IFCC methods were 0.954 (mice) and 0.963 (rats). The conversion coefficients from the IFCC to the JSCC methods were 1.048 (mice) and 1.088 (rats). For ALP values in fasted mouse and rat samples, the regression equations were y = 0.336x − 2.247 and y = 0.314x − 17.626, respectively. The conversion factors from the JSCC to the IFCC methods were 0.336 (mice) and 0.314 (rats). The conversion coefficients from the IFCC to the JSCC methods were 2.978 (mice) and 3.188 (rats). These conversion factors can be used for the mutual conversion of both measured values during the transition period from the JSCC to the IFCC method. However, it should be noted that the conversion coefficients for both LD and ALP were affected by isozyme composition.

Lv, Yijie, Shaohua Hong e Lin Wang. "Design and Optimization of Linking Matrix for a JSCC System Based on DP-LDPC Codes". Entropy 25, n. 8 (31 luglio 2023): 1145. http://dx.doi.org/10.3390/e25081145.

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Although extensive optimization of encoding and decoding schemes for joint source-channel coding (JSCC) systems has been conducted, efficient optimization schemes are still required for designing and optimizing the linking matrix between variable nodes of the source code and check nodes of the channel code. A scheme has been proposed for design and optimization of linking matrix with multi-edges by analyzing the performance of the JSCC system using the joint protograph extrinsic information transfer algorithm to calculate decoding thresholds. The proposed scheme incorporates structural constraints and is effective in designing and optimizing the multi-edges in linking matrix for the JSCC system. Experimental results have demonstrated that the designed and optimized linking matrix significantly improves the performance of the JSCC system. Furthermore, the proposed scheme reduces the complexity of the solution space for the optimized example.

Balsa, Jose, Óscar Fresnedo, José A. García-Naya, Tomás Domínguez-Bolaño e Luis Castedo. "JSCC-Cast: A Joint Source Channel Coding Video Encoding and Transmission System with Limited Digital Metadata". Sensors 21, n. 18 (16 settembre 2021): 6208. http://dx.doi.org/10.3390/s21186208.

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This work considers the design and practical implementation of JSCC-Cast, a comprehensive analog video encoding and transmission system requiring a reduced amount of digital metadata. Suitable applications for JSCC-Cast are multicast transmissions over time-varying channels and Internet of Things wireless connectivity of end devices having severe constraints on their computational capabilities. The proposed system exhibits a similar image quality compared to existing analog and hybrid encoding alternatives such as Softcast. Its design is based on the use of linear transforms that exploit the spatial and temporal redundancy and the analog encoding of the transformed coefficients with different protection levels depending on their relevance. JSCC-Cast is compared to Softcast, which is considered the benchmark for analog and hybrid video coding, and with an all-digital H.265-based encoder. The results show that, depending on the scenario and considering image quality metrics such as the structural similarity index measure, the peak signal-to-noise ratio, and the perceived quality of the video, JSCC-Cast exhibits a performance close to that of Softcast but with less metadata and not requiring a feedback channel in order to track channel variations. Moreover, in some circumstances, the JSCC-Cast obtains a perceived quality for the frames comparable to those displayed by the digital one.

Dong, Yanfei, e Kai Niu. "Double Polar Codes for Joint Source and Channel Coding". Electronics 11, n. 21 (31 ottobre 2022): 3557. http://dx.doi.org/10.3390/electronics11213557.

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In this paper, we design a joint source and channel coding (JSCC) framework combining the source polar coding and the channel polar coding. The source is first compressed using a polar code (PC), and source check decoding is employed to construct an error set containing the index of all source decoding errors. Then, the proposed JSCC system employs another PC or systematic PC (SPC) to protect the compressed source and the error set against noise, which is called double PC (D-PC) or systematic double PC (SD-PC), respectively. For a D-PC JSCC system, we prove a necessary condition for the optimal mapping between the source PC and the channel PC. On the receiver side, by introducing the joint factor graph representation of the D-PC and SD-PC, we propose two joint source and channel decoders: a joint belief propagation (J-BP) decoder, and a systematic joint belief propagation (SJ-BP) decoder. In addition, a biased extrinsic information transfer (B-EXIT) chart is developed for various decoders as a theoretical performance evaluation tool. Both B-EXIT and simulation results show that the performance of the proposed JSCC scheme has no error floor and outperforms the turbo-like BP decoder.

Bao, Han, Can Zhang e Shaoshuai Gao. "Design and Analysis of Joint Source-Channel Code System with Fixed-Length Code". Information 13, n. 6 (31 maggio 2022): 281. http://dx.doi.org/10.3390/info13060281.

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As the demands of multimedia and data services increase, efficient communication systems are being investigated to meet the high data rate requirements. Joint source-channel coding (JSCC) schemes were proposed for improving overall system performance. However, existing JSCC systems may suffer a symbol error rate (SER) performance loss when residual source redundancy is not fully exploited. This paper presents a novel, low-complexity JSCC system, which consists of a fixed-length source block code and an irregular convolutional channel code. A simple approach is proposed to design source codes that minimize the SER of source detection and guarantee the convergence of iterative source-channel decoding (ISCD). To improve the waterfall performance of ISCD, the channel code is optimized by using the extrinsic information transfer (EXIT) chart and the concept of irregular code. The channel code is constituted by recursive non-systematic convolutional (RNSC) subcodes. The weights of subcodes are optimized to make the EXIT curves of the channel decoder and the source decoder well-matched, and therefore, a near-capacity performance is achieved. Simulation results show that the proposed system achieves more than 1 dB gains and 0.3 dB gains compared to the separate source-channel code system and the other optimal JSCC systems, respectively. Additionally, the performance of the proposed system is within 1 dB deviation from the Shannon limit capacity.

Amir Mohd Nor, Muhammad Izzat, Mohd Azri Mohd Izhar, Norulhusna Ahmad e Hazilah Md Kaidi. "Exploiting 2-Dimensional Source Correlation in Channel Decoding with Parameter Estimation". International Journal of Electrical and Computer Engineering (IJECE) 8, n. 4 (1 agosto 2018): 2633. http://dx.doi.org/10.11591/ijece.v8i4.pp2633-2642.

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Traditionally, it is assumed that source coding is perfect and therefore, the redundancy of the source encoded bit-stream is zero. However, in reality, this is not the case as the existing source encoders are imperfect and yield residual redundancy at the output. The residual redundancy can be exploited by using Joint Source Channel Coding (JSCC) with Markov chain as the source. In several studies, the statistical knowledge of the sources has been assumed to be perfectly available at the receiver. Although the result was better in terms of the BER performance, practically, the source correlation knowledge were not always available at the receiver and thus, this could affect the reliability of the outcome. The source correlation on all rows and columns of the 2D sources were well exploited by using a modified Bahl-Cocke-Jelinek-Raviv (BCJR) algorithm in the decoder. A parameter estimation technique was used jointly with the decoder to estimate the source correlation knowledge. Hence, this research aims to investigate the parameter estimation for 2D JSCC system which reflects a practical scenario where the source correlation knowledge are not always available. We compare the performance of the proposed joint decoding and estimation technique with the ideal 2D JSCC system with perfect knowledge of the source correlation knowledge. Simulation results reveal that our proposed coding scheme performs very close to the ideal 2D JSCC system.

Meyerowitz-Katz, Gideon, Sian Bramwell, Rajini Jayaballa, Ramy Bishay, Ian Corless, Sumathy Ravi, Linda Soars et al. "Effectiveness of joint specialist case conferences for building general practice capacity to enhance diabetes care". Journal of Integrated Care 26, n. 3 (2 luglio 2018): 199–210. http://dx.doi.org/10.1108/jica-09-2017-0029.

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Purpose Type 2 diabetes mellitus has become a major concern of Australian healthcare providers. From rates of barely more than 1 percent in the mid-90s, diabetes is now the leading cause of morbidity in the country. To combat the growing diabetes epidemic, Western Sydney Local Health District created the Western Sydney Diabetes (WSD) initiative. One of the key components of the WSD initiative since 2014 has been joint specialist case conferencing (JSCC). The purpose of this paper is to evaluate the JSCC service including both individual- and practice-based changes. Design/methodology/approach The authors evaluated the JSCC program by conducting an analysis of patient-level data in addition to a discrete practice-level study. The study aim was to examine both the effect on individual patients and the practice, as well as acceptability of the program for both doctors and their patients. The evaluation included data collection and analysis of primary patient outcomes, as well as a survey of GPs and patients. Patient data on primary outcomes were obtained by accessing and downloading them through GP practice management software by GP practice staff. Findings The authors found significant improvements at both the patient levels, with reductions in BMI, HbA1c and blood pressure sustained at three years, and at the practice level with improvements in markers of patient management. The authors also found high acceptability of the program from both patients and GPs. Originality/value This paper provides good evidence for the use of a JSCC program to improve diabetes management in primary care through capacity building with GPs.

Più fonti

Tesi sul tema "JSCC":

Ahmadipour, Mehrasa. "An Information-theoretic approach to integrated sensing and communication". Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAT041.

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Les réseaux sans fil de la prochaine génération devraient prendre en charge les techniques de détection. Des exemples importants sont les systèmes de transport intelligents, où les véhicules détectent en permanence les changements environnementaux et échangent des informations avec les véhicules ou les serveurs centraux. Il existe des solutions naïves pour réaliser ces deux tâches, qui proposent de partager les ressources entre les deux. Cependant, les coûts élevés de spectre et de matériel de ces approches encouragent l’intégration des tâches de détection et de communication (ISAC) via une seule forme d’onde et une seule plateforme matérielle. Cette thèse se concentre sur l’ISAC théorique de l’information. Nous examinons le premier modèle informationnel théorique pour ISAC dans [1] où un canal sans mémoire dépendant de l’état (SDMC) avec des signaux de rétroaction généralisés est observé au niveau de l’émetteur (Tx). Notre première contribution est de caractériser le compromis fondamental entre les taux de communication et la distorsion de détection des canaux de diffusion (BC) dépendants de l’état, mono-Tx et bi-Rx, qui sont physiquement dégradés. Nous fournissons également des limites intérieures et extérieures sur les compromis taux-distorsion réalisables pour les canaux de diffusion généraux. La stratégie optimale de détection des Tx uniques est un simple estimateur symbole par symbole et l’optimalité de cet estimateur découle du fait que les canaux de rétroaction généralisés et la séquence d’état sont tous deux sans mémoire. Ce n’est pas nécessairement le cas dans les configurations avec plus d’une Tx. Plus précisément, pour le MAC, nous proposons une détection collaborative où chaque Tx compresse d’abord les sorties et les entrées obtenues pour extraire les informations d’état, puis transmet l’indice de compression à l’aide d’un code de canal pur aux autres Tx. Nous décrivons également deux schémas ISAC collaboratifs pour D2D, basés sur la séparation source-canal/le schéma de canal bidirectionnel de Han et basés sur le codage conjoint source-canal (JSCC). Dans le scénario MAC et D2D, nos schémas ISAC sont strictement concaves dans les paires taux-distorsion et améliorent donc également les stratégies classiques de partage du temps ou des ressources
Next-generation wireless networks are expected to support sensing techniques. Important examples are intelligent transport systems, where vehicles continuously sense environmental changes and exchange information with vehicles or central servers. There are some naive solutions to do both tasks which propose to share the resources between the two. But, the high spectrum and hardware costs of these approaches encourage to integrate the sensing and communication (ISAC) tasks via a single waveform and a single hardware platform. This thesis focuses on information-theoretic ISAC. We review the first information-theoretic model for ISAC in [1] where a statedependent memoryless channel (SDMC) with generalized feedback signals observed at the transmitter (Tx). Our first contribution is to characterize the fundamental tradeoff between communication rates and sensing distortion of statedependent single-Tx two-Rx broadcast channels (BC) that are physically degraded. We also provide inner and outer bounds on the achievable rate-distortion tradeoffs for general BCs. The single-Txs’ optimal sensing strategy is a simple symbol-by-symbol estimator and the optimality of this estimator stems from the fact that the generalized feedback channels and the state-sequence both are memoryless. This is not necessarily the case in setups with more than one Tx. Specifically, for the MAC, we propose collaborative sensing where each Tx first compresses the obtained outputs and inputs to extract state information, then transmits the compression index using a pure channel code to the other Tx. Also, we describe two collaborative ISAC schemes for D2D, based on source-channel separation/Han’s two-way channel scheme and based on joint source-channel coding (JSCC). In both the MAC and the D2D scenario, our ISAC schemes are strictly concave in the rate-distortion pairs and thus also improve over classical time- or resource-sharing strategies

Ілляшенко, Сергій Миколайович, Сергей Николаевич Ильяшенко, Serhii Mykolaiovych Illiashenko e M. O. Baskakova. "Ecomarketing appropriation at the JSC "Sumyhimprom"". Thesis, Видавництво СумДУ, 2004. http://essuir.sumdu.edu.ua/handle/123456789/22933.

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Trioux, Anthony. "Étude et optimisation d'un système de vidéotransmission conjoint source-canal basé "SoftCast". Thesis, Valenciennes, Université Polytechnique Hauts-de-France, 2019. http://www.theses.fr/2019UPHF0018.

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Des nouveaux schémas de Codage Vidéo Linéaire (CVL) ont démontré ces dernières années un potentiel élevé pour la diﬀusion de contenus vidéo sur des canaux de transmission sans-ﬁl sévères. SoftCast représente le pionnier des schémas CVL. Diﬀérent des standards de transmission vidéo actuels et particulièrement utile en situation de broadcast, SoftCast est un système de codage conjoint source-canal où les pixels sont traités par des opérations linéaires successives (transformée DCT, allocation de puissance, modulation quasi-analogique) et directement transmis sans quantiﬁcation ni codage (entropique ou de canal). SoftCast permet ainsi d’offrir une qualité vidéo reçue directement proportionnelle à la qualité du canal de transmission, sans aucune information de retour et tout en évitant les mécanismes d’adaptation complexes des schémas classiques. Un premier objectif de ces travaux de thèse concerne l’étude des performances de bout en bout de SoftCast. Des modèles théoriques sont ainsi proposés prenant en compte les contraintes de bande passante de l’application, l’allocation de puissance, ainsi que le type de décodeur utilisé à la réception (LLSE, ZF). Une deuxième partie basée sur une campagne de tests subjectifs concerne une étude originale de la qualité vidéo et des artefacts spéciﬁques associés à SoftCast. Dans une troisième partie, des méthodes de prétraitement permettant d’accroître la qualité reçue sont proposées avec un gain moyen en PSNR de l’ordre de 3 dB. Finalement, un algorithme adaptatif modiﬁant la taille du groupe d’images (GoP) en fonction des caractéristiques du contenu vidéo transmis est proposé. Cette solution permet d’obtenir des gains supplémentaires en PSNR de l’ordre de 1 dB
Linear video coding (LVC) schemes have recently demonstrated a high potential for delivering video content over challenging wireless channels. SoftCast represents the pioneer of the LVC schemes. Diﬀerent from current video transmission standards and particularly useful in broadcast situation, SoftCast is a joint source-channel coding system where pixels are processed by successive linear operations (DCT transform, power allocation, quasi-analog modulation) and directly transmitted without quantization or coding (entropic or channel). This allows to provide a received video quality directly proportional to the transmission channel quality, without any feedback information, while avoiding the complex adaptation mechanisms of conventional schemes. A ﬁrst contribution of this thesis is the study of the end-to-end performances of SoftCast. Theoretical models are thus proposed taking into account the bandwidth constraints of the application, the power allocation, as well as the type of decoder used at the reception (LLSE, ZF). Based on a subjective test campaign, a second part concern an original study of the video quality and speciﬁc artifacts related to SoftCast. In a third part, preprocessing methods are proposed to increase the received quality in terms of PSNR scores with an average gain of 3 dB. Finally, an adaptive algorithm modifying the size of the group of pictures (GoP) according to the characteristics of the transmitted video content is proposed. This solution allows to obtain about 1 dB additional gains in terms of PSNR scores

Mutuku, Elizabeth. "Understanding the differences in marking performance of JSC mathematics markers in Namibia". Thesis, Rhodes University, 2009. http://hdl.handle.net/10962/d1015223.

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Education reform in Namibia brought about changes to mathematics education since independence. This has put pressure on the government to provide both resources and qualified mathematics teachers to help drive the reform process in all teaching and learning activities. This included availing reliable and valid national examination results which is a measure of whether the newly introduced programmes are working or not. For the Ministry of Education this meant training more mathematics teachers and ensuring that competent and reliable teachers are appointed for marking national examination every year. The teachers' training process however, has not been going as fast as it was expected and year after year the Directorate of National Examinations and Assessment experienced problems in obtaining competent teachers for the marking of national examination. The purpose of the study was to understand the differences in marking performances of the JSC mathematics national examination markers. Particularly the study was to create a clear and detailed understanding of different factors that could possibly affect the marking performance of different markers. In addition, the study was to investigate the effect the mathematical content knowledge of the markers has on their marking performance. It was evident from the findings that their mathematical content knowledge had influenced their marking performance. Moreover the research findings also gave a strong indication that there are other factors that were influencing the markers marking performance. These were the markers' knowledge of the assessment and marking process, the markers' marking experience, the markers' socioeconomic background. The difference in their moderators' input has emerged as the other factors that have influenced their performance in marking and consequently contributed to the differences in their marking performances.

Gessi, Luca. "Sviluppo di una piattaforma software per acquisizione dati da un sistema di misura di impedenze". Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/8997/.

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Il progetto è il proseguimento di una tesi di laurea1 in cui si è studiato un metodo di analisi della salute della pelle non invasivo. A tale scopo si è approfondito il tema della spettroscopia d'impedenza ed è stato realizzato un sistema per la loro misura. Questo sistema prevede l'utilizzo di una parte analogica formata da un generatore di segnale sinusoidale a frequenza variabile e la circuiteria per estrarre i valori efficaci di tensione e corrente e il valore di fase. La parte digitale, invece, condiziona il segnale del blocco analogico agendo su trimmer digitali, acquisisce i dati e li trasmette tramite la UART. Lo strumento effettuava le misurazioni ed inviava continuamente i dati grezzi al computer, tramite un convertitore UART/USB, risultando poco versatile. L'obiettivo del progetto è realizzare una piattaforma software che comunichi con l'hardware, permettendo la configurazione dello strumento e la manipolazione dei dati grezzi ricevuti, svincolando quindi l'utente dai problemi di basso livello. Si è studiato un protocollo di comunicazione che permette la trasmissione di maggiore informazione e sono stati scelti dei comandi mnemonici che lo strumento possa facilmente interpretare. Il progetto prevede quindi una prima fase di modifica del vecchio firmware, in modo che il microcontrollore possa leggere e comprendere i dati ricevuti tramite la UART. Nella seconda fase si è sviluppato il software utilizzando il linguaggio di programmazione Java. Lo sviluppo comprende lo studio delle librerie grafiche offerte da JavaFX (soprattutto per la rappresentazione dei dati grezzi in grafici a due assi), di un metodo di gestione e salvataggio su disco delle impostazioni del sistema, della comunicazione seriale e infine del sistema software nella sua completezza. Alcune prove sperimentali sono infine state svolte per verificare la funzionalità dei due sistemi, firmware e software.

Федірка, С. В. "Android-додаток для користувачів послуг АТ "Сумиобленерго" по передачі показів лічильника електроенергії. Android application for users of JSC "Sumioblenergo" services for transmission of electricity meter readings". Master's thesis, Сумський державний університет, 2020. https://essuir.sumdu.edu.ua/handle/123456789/82229.

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Розроблено Android-додаток для користувачів послуг АТ "Сумиобленерго" по передачі показів лічильника електроенергії. Розроблена модель та структура мобільного додатку. Розроблений алгоритм функціонування мобільного додатку, інтуїтивно-зрозумілий інтерфейс користувача, розроблено розмітку вікон авторизації Android-додатку та логіку програмного продукту. Приведені основні активності, що реалізовані в даному додатку для демонстрації працездатності та функціональності. Вибрано метод тестування та виконано тестування додатку. Додаток дозволяє заощаджувати час користувача за рахунок мінімального введення даних. Дає можливість не тільки вносити дані але й переглядати як свої так і дані внесені під час контрольного огляду за вибраний період. За допомогою смартфона та підключеного Інтернету додаток значно полегшує користувачеві процедуру передачі даних достатньо лише витратити кілька хвилин будучи в будь-якому місці навіть під час поїздки.

Asano, Midori, Taichi Sugiura, Kiyomi Miura, Shinpei Torii e Ayako Ishiguro. "Reliability and Validity of the Self-report Quality of Life Questionnaire for Japanese School-aged Children with Asthma (JSCA-QOL v.3)". Japanese Society of Allergology, 2006. http://hdl.handle.net/2237/7106.

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Muthuswamy, Gokul. "Numerical modeling of CdS/CdTe thin film solar cell using MEDICI". [Tampa, Fla.] : University of South Florida, 2005. http://purl.fcla.edu/fcla/etd/SFE0001360.

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Tarulis, Donatas. "Pašarų, pašarų papildų bei premiksų eksporto dinamikas UAB „Biofabrikas“". Master's thesis, Lithuanian Academic Libraries Network (LABT), 2008. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20080320_144342-02761.

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Nuo 2004 metų Lietuvos užsienio prekybos deficitas nuolat augo ir 2007 metais siekė beveik 18 milijardų litų. Norint sumažinti tokį didlelį užsienio prekybos deficitą, būtina intensyvinti eksportą. Darbo tikslas: išsiaiškinti pašarų, pašarų papildų ir premiksų rinkos tendencijas Lietuvoje ir UAB „Biofabrikas“ eksporto apimtis bei struktūrą. Išanalizavus užsienio klientų poreikius pateikti pasiūlymus eksporto plėtrai. Tyrimo objektas - kombinuotųjų pašarų, pašarų papildų ir premiksų gamintojo UAB „Biofabrikas“ eksporto apimtys ir struktūra. Pagrindiniai darbo uždaviniai: 1. Išanalizuoti UAB „Biofabrikas“ eksporto kitimą 2004-2007 m.m. ir jo priežastis; 2. Išanalizuoti UAB „Biofabrikas“ eksporto struktūrą 2007m. ; 3. Apklausos būdu išsiaiškinti UAB „Biofabrikas“ užsienio klientų poreikius, kurie leistų planuoti ateities eksporto struktūrą bei apimtis; 4. Pateikti UAB „Biofabrikas“ rekomendacijas, kokiais būdais galima išlaikyti ir padidinti eksporto į Latviją, Rusiją ir Baltarusiją apimtis bei pelningumą. Pagrindin��s išvados ir pasiūlymai: 1. UAB „Biofabrikas“ 2004-2006 m.m. eksporto apimtys augo, o 2007 m. sumažėjo dėl sumažėjusio kombinuotųjų pašarų eksporto į Rusiją. 2. 2007 m. UAB „Biofabrikas“ daugiausiai eksportavo kombinuotųjų pašarų, o premiksai ir pašarų papildai nesudarė ketvirtadalio eksportuotos produkcijos. 3. Daugelis UAB „Biofabrikas“ užsienio klientų pageidauja papildomo serviso bei greitesnio produkcijos pristatymo. Ateityje planuoja iš UAB... [toliau žr. visą tekstą]
Since 2004 deficiency of foreign trade of Lithuania has constantly increased and it has reached nearly 18 milliard Litas in 2007. In order to reduce such big deficiency of foreign trade it is necessary to intensify export. The aim of this work is: to ascertain market tendencies of forage, feed additives and premixes in Lithuania, as well as to explore the structure and export extent of Joint Stock Company “Biofabrikas”. Moreover, after analyzing the requirements of foreign clients, it was decided to propose suggestions for the development of export. The object of the research is- export extent and structure of Joint Stock Company “Biofabrikas”, which is a manufacturer of combinative forage, feed additives and premixes. The main tasks are: 1. To analyze export movement and its reasons of Joint Stock Company “Biofabrikas” in 2004-2007; 2. To analyze export structure of Joint Stock Company “Biofabrikas” in 2007; 3. Using the method of polling to find out the requirements of foreign clients, which could help to plan the prospective export structure and movements; 4. To present guideline to Joint Stock Company “Biofabrikas”, to introduce patterns how to maintain and increase extent and profitability of export to Latvia, Russia and Belarus. Basic findings and suggestions: 1. In 2004-2006 export extent of Joint Stock Company “Biofabrikas” was increasing, whereas in 2007 it reduced due to diminished export of combinative forage to Russia. 2. In 2007 Joint Stock Company... [to full text]

Гребінь, В. В. "Управління власним капіталом банківських установ в Україні". Thesis, Чернігів, 2020. http://ir.stu.cn.ua/123456789/22142.

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Гребінь, В. В. Управління власним капіталом банківських установ в Україні : магістерська робота : 072 Фінанси, банківська справа та страхування / В. В. Гребінь ; керівник роботи Ніколаєнко Ю. В. ; Національний університет «Чернігівська політехніка», кафедра фінансів, банківської справи та страхування. – Чернігів, 2020. – 80 с.
Зміст роботи: У першому розділі розкрито сутність, функції та завдання власного капіталу банківських установ, розглянуто зміст даного поняття, порядок формування та управління ним. Також було проаналізовано нормативно-правове регулювання досліджуваного об’єкта, розкрито методику його аналізу. У другому розділі дана оцінка загальної характеристики власного капіталу банківської системи України, проведено аналіз власного капіталу публічного акціонерного товариства «Укрсиббанк» та надана оцінка ефективності управління ним. У третьому розділі був проведений прогноз вартості власного капіталу у майбутньому періоді за допомогою економіко-математичних методів. Також було розроблено напрями управління власним капіталом банківських установ в Україні. Практичне значення проведених досліджень полягає у можливості їх використання для покращення управління власним капіталом як на рівні банківської системи України, так і на рівні окремого банку.
Content of work: The first chapter reveals the essence, functions and tasks of equity capital of banking institutions, considers the content of this concept, the procedure for its formation and management. The regulatory and legal regulation of the object under study was also analyzed, and the methodology of its analysis was revealed. The second chapter assesses the general characteristics of the equity capital of the banking system of Ukraine, analyzes the equity capital of Public Joint Stock Company "Ukrsibbank" and assesses the effectiveness of its management. In the third chapter, the cost of equity in the future period was predicted using economic and mathematical methods. The directions of managing the own capital of banking institutions in Ukraine were also developed. The practical significance of the research is that it can be used to improve equity management both at the level of the banking system of Ukraine and at the level of an individual bank.

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Libri sul tema "JSCC":

Lyndon B. Johnson Space Center. Documentation Management Branch., a cura di. JSC document index. Houston, Tex: National Aeronautics and Space Administration, Lyndon B. Johnson Space Center, 1988.

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Lyndon B. Johnson Space Center., a cura di. Pioneering space exploration: The JSC strategy. Houston, Tex: National Aeronautics and Space Administration, Lyndon B. Johnson Space Center, 1992.

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Centro de Estudios de Justicia de las Américas., a cura di. JSCA at a glance: Projects and results, 2004-2005. [Santiago, Chile]: Justice Studies Center of the Americas, 2000.

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Lyndon B. Johnson Space Center. Scientific and technical papers presented or published by JSC authors in 1985. Houston, Tex: Lyndon B. Johnson Space Center, 1986.

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Cevelev, Aleksandr. Material and technical support of railway transport. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1417121.

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The textbook covers topical issues of the implementation of the policy of JSC "Russian Railways" in the field of material and technical support of structural divisions of railway transport. Based on the results of theoretical studies of the system management of business processes of material and technical support of railway transport, the diversification of the activities of supply authorities, the concept was formulated and a tree of management goals was developed, as well as the formalization of the existing business processes of the MTO system for the current period was carried out and the supply efficiency management system was considered in accordance with the SRT of JSC Russian Railways. Recommendations on the implementation of the developed algorithms and models are of a long-term nature and will improve the efficiency of the system of providing services for providing material and technical resources to structural divisions and enterprises of railway transport. Meets the federal state educational standards of the latest generation in the areas of training: 38.03.01 "Economics", 38.03.02 " Management "(profiles: "Corporate Management", "Logistics and Supply Chain Management"). It is intended for students of railway transport universities of economic and engineering specialties, as well as for managers and specialists of material and technical support of JSC "Russian Railways" who are interested in the issues of material, information and financial support of railway transport.

P, Cooke W., e United States. National Aeronautics and Space Administration., a cura di. NASA-JSC antenna near-field measurement system: Final technical report, project A-4291. Atlanta, Ga: Electromagnetic Effectiveness Division, Electronics and Computer Systems Laboratory, Georgia Tech Research Institute, Georgia Institute of Technology, 1989.

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Lyndon B. Johnson Space Center., a cura di. POCC capabilities document: Payload support capabilities description; MCC, JSC POCC, remote POCC interface. Houston, Tex: National Aeronautics and Space Administration, Lyndon B. Johnson Space Center, 1988.

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Japan) JSCE Earthquake Engineering Symposium (25th 1999 Tokyo. Dai 25-kai Jishin Kōgaku Kenkyū Happyōkai kōen ronbunshū: Proceedings of the 25th JSCE Earthquake Engineering Symposium. 8^a ed. Tōkyō: Doboku Gakkai Jishin Kōgaku Iinkai, 1999.

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United States. National Aeronautics and Space Administration., a cura di. JSC DIRECTOR'S DISCRETIONARY FUND PROGRAM ANNUAL REPORT... NASA/TM-91-104745... JAN. 20, 1999. [S.l: s.n., 1999.

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Cevelev, Aleksandr. The economy and material management on a railway transport. ru: INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1085329.

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In the textbook in an accessible form presented and discussed the development of the economy and the inventory management of railway transport in the new economic environment. For the first time in Russian literature, made a theoretical attempt at a comprehensive review of the effectiveness of, and satisfaction of needs in material resources structural divisions, subsidiaries and affiliates of JSC "RZD". According to the results of theoretical research, innovative and production potential of the supply system of railway transport the main directions and methods of transformation of the restructuring process under the corporate changes of JSC "RZD", positioned value system of logistics of rail transport, a comprehensive approach to the development of systems of balanced indicators of supply and prompt handling of material resources. Recommendations for the implementation of the developed algorithms and models are long term in nature and are based on the concept of logistics management improve business processes, system logistics. For students and teachers, workers of enterprises of railway transport, and others interested in questions of transport Economics.

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Han, Jiarui, Jiamei Chen, Yao Wang, Ying Liu, Yang Zhang e Liang Qiao. "The JSCC Algorithm Based on Unequal Error Protection for H.264". In Lecture Notes in Electrical Engineering, 35–41. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-13-9409-6_5.

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Guo, Rui, e Ji-lin Liu. "JSCC Based on Adaptive Segmentation and Irregular LDPC for Image Transmission over Wireless Channels". In Lecture Notes in Computer Science, 412–15. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11881223_50.

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Deka, Surajit, e Kandarpa Kumar Sarma. "JSCC-UFMC in Multi-User Antenna Diversity Using Hybrid Beamforming for Millimeter Wave Wireless Communications". In Lecture Notes in Electrical Engineering, 463–73. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-4362-3_42.

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Ferrari, Gianluigi, Roberto Guanciale e Daniele Strollo. "JSCL: A Middleware for Service Coordination". In Lecture Notes in Computer Science, 46–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11888116_4.

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Göbbert, Jens Henrik, Tim Kreuzer, Alice Grosch, Andreas Lintermann e Morris Riedel. "Enabling Interactive Supercomputing at JSC Lessons Learned". In Lecture Notes in Computer Science, 669–77. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02465-9_48.

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Miyazato, Shinichi, Takashi Yamamoto e Ryousuke Takahashi. "Study on Triage for Deteriorated Concrete Structures by JSCE-342". In The Ageing of Materials and Structures, 69–79. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-70194-3_6.

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Sumimoto, Kyoku, e Shinji Tanaka. "Indication for Colorectal EMR/ESD from Japanese Guidelines (JGES, JSGE, JSCCR)". In Endoscopic Management of Colorectal T1(SM) Carcinoma, 55–60. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-13-6649-9_7.

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Kopeikina, Victoria, Paula Odete Fernandes e Olga Kosenchuk. "Increasing the Economic Sustainability of the Company JSC “Novoazovskoe”". In Innovation, Technology, and Knowledge Management, 165–91. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-74881-8_11.

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Jeevarajan, Judith A. "Revisions to the Crewed Space Vehicle Battery Safety Requirements JSC 20793". In Space Safety is No Accident, 127–29. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15982-9_14.

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Chechenova, Liana. "Guidelines of JSC “Russian Railways” in the Strategy of Sustainable Development". In International Scientific Siberian Transport Forum TransSiberia - 2021, 445–53. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-96380-4_49.

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Atti di convegni sul tema "JSCC":

Ameli Kalkhoran, Seyyed Amirhossein, Mehdi Letafati, Ecenaz Erdemir, Babak Hossein Khalaj, Hamid Behroozi e Deniz Gündüz. "Secure Deep-JSCC Against Multiple Eavesdroppers". In GLOBECOM 2023 - 2023 IEEE Global Communications Conference. IEEE, 2023. http://dx.doi.org/10.1109/globecom54140.2023.10436928.

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Hatem El Meddeb, Noureddine Hamdi e Ammar Bouallegue. "JSCC using bandwidth reducing and expanding mappings". In 2008 11th IEEE Singapore International Conference on Communication Systems (ICCS). IEEE, 2008. http://dx.doi.org/10.1109/iccs.2008.4737311.

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El Meddeb, Hatem, Hamdi Noureddine e Ammar Bouallegue. "Efficient utilization of bandwidth in JSCC for wireless communication". In 2008 3rd International Symposium on Communications, Control and Signal Processing (ISCCSP). IEEE, 2008. http://dx.doi.org/10.1109/isccsp.2008.4537466.

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Ma, Longyu, Chiu Wing Sham, Jia Zhan e Francis C. M. Lau. "Implementation for JSCC Scheme Based on QC-LDPC Codes". In 2022 IEEE 11th Global Conference on Consumer Electronics (GCCE). IEEE, 2022. http://dx.doi.org/10.1109/gcce56475.2022.10014340.

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Jafarian, Farid, e Hassan Farsi. "Relay based video transmission using JSCC over Rayleigh fading channel". In 2012 Sixth International Symposium on Telecommunications (IST). IEEE, 2012. http://dx.doi.org/10.1109/istel.2012.6483029.

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Lapshina, S. Yu. "The Optimal Processor Cores' Number choice for the Parallel Cluster Multiple Labeling Technique on HighPerformance Computing Systems". In Всероссийская научная конференция "Единое цифровое пространство научных знаний: проблемы и решения". Москва, Берлин: Директмедиа Паблишинг, 2021. http://dx.doi.org/10.51218/978-5-4499-1905-2-2021-311-319.

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The article is about the research of a optimum number of processor cores for launching the Parallel Cluster Multiple Labeling Technique on modern supercomputer systems installed in the JSCC RAS. This technique may be used in any field as a tool for differentiating large lattice clusters, because it is given input in a format independent of the application. At the JSCC RAS, this tool was used to study the problem of the spread of epidemics, for which an appropriate multiagent model was developed. In the course of imitation experiments, a variant of the Parallel Cluster Multiple Labeling Technique for percolation Hoshen-Kopelman clusters related to the tag linking mechanism, which can also be used in any area as a tool for differentiating large-size lattice clusters, was used to be improved on a multiprocessor system.

Lin, Zihuai, e Tor Aulin. "Adaptive JSCC using Trellis Quantization based on Punctured Ring Convolutional Codes". In 2006 IEEE Information Theory Workshop - ITW '06 Chengdu. IEEE, 2006. http://dx.doi.org/10.1109/itw2.2006.323811.

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Lamy-Bergot, C., G. Panza, A. Rotondi e L. Fratta. "Analysis and Optimization of a JSCC/D System on 4G Networks". In 2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications (ISSSTA). IEEE, 2008. http://dx.doi.org/10.1109/isssta.2008.52.

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Zhang, Xinggong, Chao Zhou e Zongming Guo. "A novel JSCC scheme for scalable video transmission over MIMO systems". In 2012 19th IEEE International Conference on Image Processing (ICIP 2012). IEEE, 2012. http://dx.doi.org/10.1109/icip.2012.6467350.

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El Meddeb, Hatem, Noureddine Hamdi e Ammar Bouallegue. "JSCC Based on OPTA for Wireless Communication over Flat Fading Channel". In 2010 7th IEEE Consumer Communications and Networking Conference (CCNC). IEEE, 2010. http://dx.doi.org/10.1109/ccnc.2010.5421611.

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Rapporti di organizzazioni sul tema "JSCC":

Canavan, G. H. Comments on JSC ``Detailed review of `Space debris hazard to defense systems```. Office of Scientific and Technical Information (OSTI), agosto 1996. http://dx.doi.org/10.2172/378772.

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Roth, Emanuel Peter. Final report to NASA JSC : thermal abuse performance of MOLI, Panasonic and Sanyo 18650 Li-ion cells. Office of Scientific and Technical Information (OSTI), marzo 2005. http://dx.doi.org/10.2172/921604.

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TARAKANOVA, V., A. ROMANENKO e O. PRANTSUZ. MEASURES TO PREVENT POSSIBLE EMERGENCIES AT THE ENTERPRISE. Science and Innovation Center Publishing House, 2022. http://dx.doi.org/10.12731/2070-7568-2022-11-1-4-32-43.

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In the article, the authors consider emergency situations at the enterprise of the Joint-Stock Company “Scientific and Production Complex “Alternative Energy” (JSC “NPK “ALTEN”), consider measures to prevent emergency situations at the enterprise, readiness to eliminate them consequences. Compliance with these measures will improve the efficiency of the company’s industrial safety management system. The relevance of the research is aimed at an effective system of organization and management of industrial safety, which allows you to manage risks and helps to ensure favorable working conditions for the health of employees at the enterprise. A mobile emergency and emergency response system was created. The system can also be used for accounting and accident investigation, based on the use of corporate communication devices and applications for mobile operating systems.