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Artykuły w czasopismach na temat "Modulation discrète"
Nofal, Abdul-Nasser, Abdel-Nasser Assimi i Yasser M. Jaamour. "Joint Power Allocation and Bit-Loading for Multicarrier Systems with Discrete Modulation". Mathematical Modelling of Engineering Problems 8, nr 4 (31.08.2021): 626–34. http://dx.doi.org/10.18280/mmep.080416.
Pełny tekst źródłaJAMES, GUILLAUME. "NONLINEAR WAVES IN NEWTON'S CRADLE AND THE DISCRETE p-SCHRÖDINGER EQUATION". Mathematical Models and Methods in Applied Sciences 21, nr 11 (listopad 2011): 2335–77. http://dx.doi.org/10.1142/s0218202511005763.
Pełny tekst źródłaZhang, Hao Chi, Tie Jun Cui, Yu Luo, Jingjing Zhang, Jie Xu, Pei Hang He i Le Peng Zhang. "Active digital spoof plasmonics". National Science Review 7, nr 2 (4.10.2019): 261–69. http://dx.doi.org/10.1093/nsr/nwz148.
Pełny tekst źródłaAli, Weaam Talaat. "Performance of Discrete Wavelet Transform Based on OFDM with Adaptive Modulation". International Journal of Engineering Research 4, nr 8 (1.08.2015): 419–25. http://dx.doi.org/10.17950/ijer/v4s8/804.
Pełny tekst źródłaZheleznjak, V. K., S. V. Lavrov, M. M. Baranouski i A. G. Filipovich. "Mathematical model of speech signal leakage channels during discrete-quantified conversion". Doklady BGUIR 18, nr 4 (25.06.2020): 89–95. http://dx.doi.org/10.35596/1729-7648-2020-18-4-89-95.
Pełny tekst źródłaZhou, Shiyi, Zhijun Zhang, Chuliang Zhou, Zhongpeng Li, Ye Tian i Jiansheng Liu. "A high-energy electron density modulator driven by an intense laser standing wave". Laser and Particle Beams 37, nr 2 (30.04.2019): 197–202. http://dx.doi.org/10.1017/s0263034619000338.
Pełny tekst źródłaXuhong Chu, Xuhong Chu, Liquan Dong Liquan Dong, Yuejin Zhao Yuejin Zhao, Xiaomei Yu Xiaomei Yu i and Yun Feng and Yun Feng. "Optical readout method based on time-discrete modulation for micro-cantilever array sensing". Chinese Optics Letters 14, nr 10 (2016): 101102–6. http://dx.doi.org/10.3788/col201614.101102.
Pełny tekst źródłaВоловач, В. И. "Mathematical modeling of the correlation function and the energy spectra of the noise modulation function". Informacionno-technologicheskij vestnik, nr 1(27) (15.03.2021): 77–92. http://dx.doi.org/10.21499/2409-1650-2021-27-1-77-92.
Pełny tekst źródłaSeetha, S., D. P. Sharma, V. N. Padmini, T. M. K. Marar, K. Kasturirangan, U. R. Rao i J. C. Bhattacharyya. "Periodic Modulations in the Optical Light Curves of EX Hydrae". International Astronomical Union Colloquium 93 (1987): 193–96. http://dx.doi.org/10.1017/s0252921100104853.
Pełny tekst źródłaZeng, Zhiyong, Xiaoliang Jin i Rongxiang Zhao. "Small-signal discrete-time modeling of digitally controlled three-phase PWM boost rectifier under balanced voltage". COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 36, nr 1 (3.01.2017): 18–47. http://dx.doi.org/10.1108/compel-03-2016-0113.
Pełny tekst źródłaRozprawy doktorskie na temat "Modulation discrète"
Tabaa, Mohamed. "Conception d'un système de transmission ultra-large bande par impulsions orthogonales". Thesis, Université de Lorraine, 2014. http://www.theses.fr/2014LORR0375/document.
Pełny tekst źródłaIn this thesis, we propose a design methodology for communication architectures dedicated to wireless sensor network based on impulse radio techniques for UWB communications. The impulse technique proposed in this work relies on pulse shape modulation. The architecture design approach proposed in this thesis focuses on pulses shape and their generation, which is of major interest as it constitutes the carrier of the information exchanged. The study on the choice of pulse shape led us to propose two different architectures. The first one is based on orthogonal polynomials, more especially on the Hermite polynomials, for impulse generation, and on a correlation architecture for detection and recognition of transmitted impulses. The second architecture is based on discrete wavelet packet transform and can be used according two different modes, mono and multi-users. The use of both synthesis and analysis architectures for emitter and receiver, respectively, offers a new way for digital communications and allows the wavelet transform to ensure the impulses generation on the transmitter and their recognition on the receiver. A major interest point of the proposed technique is to facilitate the multi-users access to the ultra-wideband channel and to allow simultaneous communications (many-to-one, from the sensors to the sink) or broadcast (one-to-many, from the coordinator to the nodes) but without overloading the MAC layer. Hence, the proposed architecture is part of the interface between both PHY and MAC layers, and allows to release their specific design constraints
Fang, Yi-chin. "Performance evaluation of discrete IR optical system". Thesis, University of Reading, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270211.
Pełny tekst źródłaBengtsson, Daniel, i Daniel Landström. "Coding in a discrete multitone modulation system". Thesis, Luleå, 1996. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-62422.
Pełny tekst źródłaJenkin, Robin Brian. "On the application of the modulation transfer function to discrete imaging systems". Thesis, University of Westminster, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251647.
Pełny tekst źródłaForbes, Jason. "Discrete signal processing techniques for power converters : multi-carrier modulation and efficient filtering techniques". Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/45446.
Pełny tekst źródłaKuznetsov, Nikita A. "Modulation and Coordination of Respiratory Rhythm with Discrete Finger Movements in Manual Precision Aiming". University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1291407910.
Pełny tekst źródłaSmecher, Graeme. "Discrete-time crossing-point estimation for switching power converters". Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=115995.
Pełny tekst źródłaFor example, an audio amplifier typically receives its input from a digital source decoded into regular samples (e.g. from MP3, DVD, or CD audio), or obtained from a continuous-time signal using an analog-to-digital converter (ADC). In a switching amplifier based on Pulse-Width Modulation (PWM) or Click Modulation (CM), a signal derived from the sampled audio is compared against a deterministic reference waveform; the crossing points of these signals control a switching power stage. Crossing-point estimates must be accurate in order to preserve audio quality. They must also be simple to calculate, in order to minimize processing requirements and delays.
We consider estimating the crossing points of a known function and a Gaussian random process, given uniformly-spaced, noisy samples of the random process for which the second-order statistics are assumed to be known. We derive the Maximum A-Posteriori (MAP) estimator, along with a Minimum Mean-Squared Error (MMSE) estimator which we show to be a computationally efficient approximation to the MAP estimator.
We also derive the Cramer-Rao bound (CRB) on estimator variance for the problem, which allows practical estimators to be evaluated against a best-case performance limit. We investigate several comparison estimators chosen from the literature. The structure of the MMSE estimator and comparison estimators is shown to be very similar, making the difference in computational expense between each technique largely dependent on the cost of evaluating various (generally non-linear) functions.
Simulations for both Pulse-Width and Click Modulation scenarios show the MMSE estimator performs very near to the Cramer-Rao bound and outperforms the alternative estimators selected from the literature.
Pham, Dang Kien Germain. "Conversion analogique-numérique Sigma-Delta large bande appliquée à la mesure des non-linéarités des amplificateurs de puissance". Thesis, Paris, ENST, 2013. http://www.theses.fr/2013ENST0003/document.
Pełny tekst źródłaPower amplifiers, which are essential elements of any communication system, will play a crucial role in the development of future communication systems. Today improving power amplifiers requires technological advances at the circuit device level, but one also must consider a more global approach. In particular, advances in digital processing can now correct in the early stage of the communication chain some distortions that are generated downstream in the chain. Digital pre-distortion is a correction technique for power amplifiers that has a growing interest because of its completely digital implementation and of its gains in linearity and energy consumption. This technique requires a feedback path where the analog-to-digital converter is a critical element. This component must satisfy the constraints of high resolution , wide bandwidth, and high linearity. In this thesis, we propose a new architecture of analog-to-digital converter based on bandpass Delta-Sigma modulators. This architecture takes advantage of operating bandpass modulators that are designed to work in parallel, each focusing on different frequencies, but also of a particular cascading arrangement to eliminate the useful signal, which has a high power, in order to reduce dynamics constraints. High-level design and simulations were carried out for discrete time and continuous time systems and also required the development of appropriate simulation tools
Nathany, Sumit Kumar. "Design of a 14-bit fully differential discrete time delta-sigma modulator /". Online version of the thesis, 2006. https://ritdml.rit.edu/dspace/handle/1850/2799.
Pełny tekst źródłaQu, Zhen, i Ivan B. Djordjevic. "Four-Dimensionally Multiplexed Eight-State Continuous-Variable Quantum Key Distribution Over Turbulent Channels". IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2017. http://hdl.handle.net/10150/626439.
Pełny tekst źródłaKsiążki na temat "Modulation discrète"
Berber, Stevan. Discrete Communication Systems. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198860792.001.0001.
Pełny tekst źródłaEdwards, Michael, John Kitchen, Nikki Moran, Zack Moir i Richard Worth. Fundamentals of Music Theory. The University of Edinburgh, 2021. http://dx.doi.org/10.2218/ed.9781912669226.
Pełny tekst źródłaCzęści książek na temat "Modulation discrète"
Pelgrom, Marcel J. M. "Time-Discrete Σ Δ Modulation". W Analog-to-Digital Conversion, 861–908. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-90808-9_19.
Pełny tekst źródłaCoene, Wim, i Andre Immink. "Modulation coding for a two-dimensional optical storage channel". W DIMACS Series in Discrete Mathematics and Theoretical Computer Science, 1–21. Providence, Rhode Island: American Mathematical Society, 2008. http://dx.doi.org/10.1090/dimacs/073/01.
Pełny tekst źródłaArad, Nur, Eytan Ruppin i Yehezkel Yeshurun. "Dopaminergic Modulation and Neural Fatigue in Discrete Time Sigmoidal Networks". W Computation and Neural Systems, 369–74. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-3254-5_56.
Pełny tekst źródłaCheng, Jung-Fu. "Performance of MIMO Space-Time Coding with Discrete Modulations". W Information, Coding and Mathematics, 165–81. Boston, MA: Springer US, 2002. http://dx.doi.org/10.1007/978-1-4757-3585-7_11.
Pełny tekst źródłaShen, Qi, Weiyin Wang i Xiaofeng Gu. "Design of Hybrid Continuous-Time/Discrete-Time ΣΔ Modulator". W Lecture Notes in Electrical Engineering, 1725–32. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-4981-2_189.
Pełny tekst źródłaSandnas, Matt, i David B. Spencer. "A NEW GUIDANCE TECHNIQUE FOR DISCRETE-EVENT DRAG MODULATION FOR AEROCAPTURE MISSIONS". W Advances in the Astronautical Sciences, 877–91. Cham: Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-51928-4_50.
Pełny tekst źródłaWang, Xi, Xiangbin Yu, Tao Teng i Guangying Wang. "Energy-Efficient Power Allocation Scheme Based on Discrete-Rate Adaptive Modulation in Distributed Antenna System". W Machine Learning and Intelligent Communications, 284–92. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-00557-3_29.
Pełny tekst źródłaVamsidhar, A., P. Rajesh Kumar i K. Raja Rajeswari. "A New Approach to Investigation of Discrete Wavelet-Based Multiuser MIMO-OFDM for BPSK Modulation Scheme". W Proceedings of 2nd International Conference on Micro-Electronics, Electromagnetics and Telecommunications, 323–32. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4280-5_34.
Pełny tekst źródłaLi, Xiujian, Xiaoguang Hou, Yongming Nie, Wenhua Hu, Jiankun Yang i Junbo Yang. "Analyze the Discrete Photo-Induced Current Pulses of the Photorefractive Spatial Light Modulator". W Lecture Notes in Computer Science, 102–9. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-10442-8_14.
Pełny tekst źródłaZisapel, Nava, Yossi Anis i Michal Gavish. "Melatonin Receptors in Discrete Areas of Rat and Hamster Brain: Modulation by Melatonin, Testosterone and the Photoperiod". W Role of Melatonin and Pineal Peptides in Neuroimmunomodulation, 97–106. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3756-4_10.
Pełny tekst źródłaStreszczenia konferencji na temat "Modulation discrète"
Warde, Cardinal. "SLM-specific imperfections and their influence on optical processor performance". W OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.tue1.
Pełny tekst źródłaDong, Po, Jeffrey Lee, Kwangwoong Kim, Young-Kai Chen i Chengcheng Gui. "Ten-Channel Discrete Multi-Tone Modulation Using Silicon Microring Modulator Array". W Optical Fiber Communication Conference. Washington, D.C.: OSA, 2016. http://dx.doi.org/10.1364/ofc.2016.w4j.4.
Pełny tekst źródłaWu, Jiuda, i Behrooz Yousefzadeh. "Numerical Analysis of Phase Nonreciprocity in a Linear Spatiotemporally Modulated System". W ASME 2023 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/detc2023-110347.
Pełny tekst źródłaKhodr, M. F., J. J. Sluss i T. E. Batchman. "An integrated optical phase modulator using a PbSe-clad BaF2 waveguide". W OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.tuz27.
Pełny tekst źródłaTong, Yeyu, Xinru Wu, Jie Liu, Chester Shu i Hon Ki Tsang. "Assessment of Integrated Ge Franz-Keldysh Modulator for Discrete Multi-Tone Modulation". W Optical Fiber Communication Conference. Washington, D.C.: OSA, 2018. http://dx.doi.org/10.1364/ofc.2018.w4d.5.
Pełny tekst źródłaManevitch, Leonid I., i Andrey I. Musienko. "Transversal Nonlinear Dynamics of Stretched Chain on Elastic Foundation". W ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84920.
Pełny tekst źródłaBaig, Mirza Uzair, Anders Host-Madsen i Aria Nosratinia. "Discrete modulation for interference mitigation". W 2017 IEEE International Symposium on Information Theory (ISIT). IEEE, 2017. http://dx.doi.org/10.1109/isit.2017.8006766.
Pełny tekst źródłaChatterjee, M. R., P. P. Banerjee i O. Ziv. "Numerical investigation of the modulation properties of an AM soliton pulse upon reflection from a nonlinear/dispersive interface". W OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.thss4.
Pełny tekst źródłaNaito, Takeru, Masahiro Yabuno, Fumihiro China, Shigehito Miki, Hirotaka Terai i Ryosuke Shimizu. "Spectral modulation of biphotons via Fourier optical synthesis". W Conference on Lasers and Electro-Optics/Pacific Rim. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/cleopr.2022.cthp7f_04.
Pełny tekst źródłaAdzhemov, A. S., i A. Y. Kudryashova. "Distortion with Multiple Discrete Modulation Techniques". W 2021 Wave Electronics and its Application in Information and Telecommunication Systems (WECONF). IEEE, 2021. http://dx.doi.org/10.1109/weconf51603.2021.9470537.
Pełny tekst źródłaRaporty organizacyjne na temat "Modulation discrète"
Gabella, W., J. Rosenzweig, R. Kick i S. Peggs. RF voltage modulation at discrete frequencies with applications to crystal channeling extraction. Office of Scientific and Technical Information (OSTI), maj 1992. http://dx.doi.org/10.2172/10153150.
Pełny tekst źródłaGabella, W., J. Rosenzweig, R. Kick i S. Peggs. RF voltage modulation at discrete frequencies with applications to crystal channeling extraction. Office of Scientific and Technical Information (OSTI), maj 1992. http://dx.doi.org/10.2172/5153023.
Pełny tekst źródłaWeinberg, Zwi G., Adegbola Adesogan, Itzhak Mizrahi, Shlomo Sela, Kwnag Jeong i Diwakar Vyas. effect of selected lactic acid bacteria on the microbial composition and on the survival of pathogens in the rumen in context with their probiotic effects on ruminants. United States Department of Agriculture, styczeń 2014. http://dx.doi.org/10.32747/2014.7598162.bard.
Pełny tekst źródłaDahl, Geoffrey E., Sameer Mabjeesh, Thomas B. McFadden i Avi Shamay. Environmental manipulation during the dry period of ruminants: strategies to enhance subsequent lactation. United States Department of Agriculture, luty 2006. http://dx.doi.org/10.32747/2006.7586544.bard.
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