Готові списки джерел за темами / Roaming experiment

Добірка наукової літератури з теми "Roaming experiment"

Автор: Grafiati

Опубліковано: 14 березня 2023

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Статті в журналах з теми "Roaming experiment"

Lin, Zhengsong, Yuting Wang, Yang Song, Tao Huang, Feng Gan, and Xinyue Ye. "Research on Ecological Landscape Design and Healing Effect Based on 3D Roaming Technology." International Journal of Environmental Research and Public Health 19, no. 18 (September 10, 2022): 11406. http://dx.doi.org/10.3390/ijerph191811406.

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Impacted by the COVID-19 epidemic, the human sub-health in national high-tech zones (hereinafter referred to as high-tech zones) has become more prominent. It is critical for the mental sub-health group in the high-tech zone to relieve the anxiety and tension caused by the pressure of life and work. This paper uses SketchUp virtual engine (Unity 2019) software, and 3D roaming technology to carry out the ecological landscape transformation design of the Baotzixi ecological corridor in the East Lake High-tech Zone, to construct a 3D roaming landscape scene and measure its therapeutic effect by inviting subjects to participate in an interactive experience experiment on the ErgoLAB platform. The results illustrate that: (1) the thermogram trend shows that the more attractive the 3D roaming landscape scene is, the stronger the subjects’ interest is; (2) the participants have a positive emotional arousal state in the immersive experience of the 3D roaming landscape scene after the modification design; and (3) the mean skin conductance (SC) fluctuation variance of the subjects is 5.819%, indicating that the healing effect is significant in the state of positive emotional arousal. The research results show that there is a connection between the subjects and the 3D roaming landscape scene after the transformation design of “high interest, emotional arousal and significant healing”.

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Annesley, Christopher J., John B. Randazzo, Stephen J. Klippenstein, Lawrence B. Harding, Ahren W. Jasper, Yuri Georgievskii, Branko Ruscic, and Robert S. Tranter. "Thermal Dissociation and Roaming Isomerization of Nitromethane: Experiment and Theory." Journal of Physical Chemistry A 119, no. 28 (April 17, 2015): 7872–93. http://dx.doi.org/10.1021/acs.jpca.5b01563.

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Jiang, Dai Hong. "Fast Display Algorithm of Large Map File Based on Memory Mapping File Technique." Applied Mechanics and Materials 668-669 (October 2014): 1064–67. http://dx.doi.org/10.4028/www.scientific.net/amm.668-669.1064.

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This paper presents a Fast display Algorithm of large Map File based on memory mapping file technique, designing for reducing the number of pointer moves and the data in memory scheduling ,The algorithm uses a memory-mapped file access operation of a large-scale map file to resolve the problem of traditional file processing methods, which can not read more than 2G map image file; combined image pyramid technology to apply different resolutions depending on the display requirements map image, in order to achieve the purpose of roaming quickly. The experiment and analysis results show that the algorithm is able to achieve the best resolution real-time roaming of large-scale digital map.

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Sivaramakrishnan, R., J. V. Michael, A. F. Wagner, R. Dawes, A. W. Jasper, L. B. Harding, Y. Georgievskii, and S. J. Klippenstein. "Roaming radicals in the thermal decomposition of dimethyl ether: Experiment and theory." Combustion and Flame 158, no. 4 (April 2011): 618–32. http://dx.doi.org/10.1016/j.combustflame.2010.12.017.

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Deng, Lei Lei, and Xiao Ming Zhang. "Virtual Reality Imaging Display Technology Research and Realization." Advanced Materials Research 753-755 (August 2013): 1308–13. http://dx.doi.org/10.4028/www.scientific.net/amr.753-755.1308.

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Application of double center projection algorithm for stereo image generation, The related calculation formulas are introduced, And a detailed description of the OpenGL Stereo display a cube steps, using red and green filters to generate eye stereoscopic image observation. Through the above experiment, calculated using the double center projection algorithm can obtain better stereo effect, It can be widely applied to buildings and scene roaming a variety of occasions.

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Zwiefelhofer, M. L., T. Shury, E. M. Zwiefelhofer, and G. P. Adams. "22 Strategies for oocyte collection procedures in free-roaming bison herds." Reproduction, Fertility and Development 33, no. 2 (2021): 118. http://dx.doi.org/10.1071/rdv33n2ab22.

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The study was conducted to test the feasibility of protocols for field collection of cumulus–oocyte complexes (COC) for invitro embryo production (IVP) in wild bison. The study was done with captive wood bison during the late anovulatory season (July). In Experiment 1, bison were assigned randomly to 2 groups (n=8/group) in which transvaginal ultrasound-guided COC collection was done in a chute without sedation or in lateral recumbency after chemical immobilization using a dart gun to compare collection efficiencies. In Experiment 2, a 2×2 design was used to examine the effects of superstimulation treatments [single-dose equine chorionic gonadotrophin (eCG) vs. multiple-dose FSH] and methods of drug administration (manual injection vs. field darting) on COC collection and IVP. Initial COC collection was done to serve as a non-superstimulated random start and to synchronize follicular wave emergence on the following day (Day 0; n=16). Half of the bison were given a single dose of 5000IU of eCG intramuscularly (IM) on Day −1. The other half were given 200mg of FSH IM on Day 0 and Day 2, followed by 2000IU human chorionic gonadotrophin IM on Day 4. Superstimulatory treatments were given by manual injection (chute restrained) to half of the bison in each group and by field darting in the other half. The COC were collected on Day 4 in the eCG group and Day 5 in the FSH group. Recovered COC were matured invitro for 25 to 28h at 38.8°C, fertilized (2×106 sperm mL−1) and co-incubated at 38.8°C in 5% O2, 5% CO2, and 90% N2 for 18h. Presumptive zygotes were denuded and cultured at 38.8°C in 5% O2, 5% CO2, and 90% N2. A commercially available IVF media set was utilised (IVF Bioscience). Data were compared by ANOVA and GLIMMIX. In Experiment 1, no difference was detected between chute-restrained vs. chemically immobilized groups in the time required to complete COC collection (6.9±1.0 vs. 8.9±1.0 min; P=0.2), the number of follicles aspirated (11.5±1.9 vs. 9.3±1.8; P=0.4), or the COC recovery rate [COC recovered/follicle aspirated; 58/92 (63%) vs. 44/69 (64%); P=0.9]. In Experiment 2, no differences were detected between superstimulation treatments (eCG vs. FSH) or method of drug administration (manual injection vs. field darting) for any endpoint. The number of medium (4.5–7.5 mm; 9.5±1.0 vs. 2.5±0.6; P<0.0001) and large (>8 mm; 8.6±0.8 vs. 3.4±1.5; P=0.004) follicles available was greater after superstimulation (groups combined) than without superstimulation (random start). Although there was no difference in the number of recovered compact COC between the superstimulated and non-superstimulated bison (8.9±1.3 vs. 6.2±1.7; P=0.2), the embryo production rate (number of embryos produced/number of COC matured) was greater after superstimulation than without superstimulation [54/189 (39%) vs. 19/108 (18%); P<0.05]. We conclude that COC collection in a field setting is feasible and minimum-handling superstimulation with a single dose of eCG is as effective as a multiple-dose FSH protocol for the invitro production of embryos in bison. This research was supported by NSERC and Vetoquinol.

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Cai, Xing Quan, Hao Lu, and Hua Qing Yu. "Design and Implementation of Online Virtual University Life System." Advanced Materials Research 739 (August 2013): 632–35. http://dx.doi.org/10.4028/www.scientific.net/amr.739.632.

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In this paper, we present an online virtual university life system based on North China University of Technology life. Our system can help freshmen to get a better understanding of university life and life. We present the framework of our system and our system contains tasks management, campus information show, player roaming, system guidance, database management, etc. Finally, we implement our system and our experiment has proved our method is effective. Our method has been used in practical projects.

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Guo, Ling, and Peng Wang. "Art Product Design and VR User Experience Based on IoT Technology and Visualization System." Journal of Sensors 2021 (December 20, 2021): 1–10. http://dx.doi.org/10.1155/2021/6412703.

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Based on the Internet of Things technology, this paper analyzes the concept and basic characteristics of visualization technology and builds a visualization digital art product information system based on VRML virtual reality technology. This article first explains the background and significance, analyzes the research status at home and abroad, introduces the application of virtual realization technology, and puts forward the technical route and main research content on this basis. After field inspection of art products, the system was analyzed according to the actual situation. After analyzing the needs and goals of the system, the overall structure of the system was proposed. Under the overall framework, this paper designs the system and designs the system’s visualization and real-time interaction modules. At the same time, combined with VRML technology to realize the visual 3D modeling of virtual art products, we establish the 3D model of the entire art product. Users can choose between role roaming and camera roaming. Finally, we made a summary statement to the full text and looked forward to the application prospects and development trends of information visualization technology in digital art products. During the experiment, by calling the HTC method in the Unity 3D system, this article uses the Unity 3D engine to implement UI scene loading and VR rendering technology optimization and realizes design knowledge through the integration of art product design models and IoT data interactive functions and dynamic loading of scenes. The effect of the model on the quality prediction is analyzed through experiments. The results show that the performance of the former is better than the latter two models, and it has a good performance on unbalanced data processing, which verifies the performance and effectiveness of the algorithm model.

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Kristjánsson, Tómas, Tómas Páll Thorvaldsson, and Árni Kristjánsson. "Divided Multimodal Attention: Sensory Trace and Context Coding Strategies in Spatially Congruent Auditory and Visual Presentation." Multisensory Research 27, no. 2 (2014): 91–110. http://dx.doi.org/10.1163/22134808-00002448.

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Previous research involving both unimodal and multimodal studies suggests that single-response change detection is a capacity-free process while a discriminatory up or down identification is capacity-limited. The trace/context model assumes that this reflects different memory strategies rather than inherent differences between identification and detection. To perform such tasks, one of two strategies is used, a sensory trace or a context coding strategy, and if one is blocked, people will automatically use the other. A drawback to most preceding studies is that stimuli are presented at separate locations, creating the possibility of a spatial confound, which invites alternative interpretations of the results. We describe a series of experiments, investigating divided multimodal attention, without the spatial confound. The results challenge the trace/context model. Our critical experiment involved a gap before a change in volume and brightness, which according to the trace/context model blocks the sensory trace strategy, simultaneously with a roaming pedestal, which should block the context coding strategy. The results clearly show that people can use strategies other than sensory trace and context coding in the tasks and conditions of these experiments, necessitating changes to the trace/context model.

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Більше джерел

Дисертації з теми "Roaming experiment"

SAFARI, KHATOUNI ALI. "Experimentation and Characterization of Mobile Broadband Networks." Doctoral thesis, Politecnico di Torino, 2018. http://hdl.handle.net/11583/2708886.

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The Internet has brought substantial changes to our life as the main tool to access a large variety of services and applications. Internet distributed nature and technological improvements lead to new challenges for researchers, service providers, and network administrators. Internet traffic measurement and analysis is one of the most trivial and powerful tools to study such a complex environment from different aspects. Mobile BroadBand (MBB) networks have become one of the main means to access the Internet. MBB networks are evolving at a rapid pace with technology enhancements that promise drastic improvements in capacity, connectivity, and coverage, i.e., better performance in general. Open experimentation with operational MBB networks in the wild is currently a fundamental requirement of the research community in its endeavor to address the need for innovative solutions for mobile communications. There is a strong need for objective data relating to stability and performance of MBB (e.g., 2G, 3G, 4G, and soon-to-come 5G) networks and for tools that rigorously and scientifically assess their performance. Thus, measuring end user performance in such an environment is a challenge that calls for large-scale measurements and profound analysis of the collected data. The intertwining of technologies, protocols, and setups makes it even more complicated to design scientifically sound and robust measurement campaigns. In such a complex scenario, the randomness of the wireless access channel coupled with the often unknown operator configurations makes this scenario even more challenging. In this thesis, we introduce the MONROE measurement platform: an open access and flexible hardware-based platform for measurements on operational MBB networks. The MONROE platform enables accurate, realistic, and meaningful assessment of the performance and reliability of MBB networks. We detail the challenges we overcame while building and testing the MONROE testbed and argue our design and implementation choices accordingly. Measurements are designed to stress performance of MBB networks at different network layers by proposing scalable experiments and methodologies. We study: (i) Network layer performance, characterizing and possibly estimating the download speed offered by commercial MBB networks; (ii) End users’ Quality of Experience (QoE), specifically targeting the web performance of HTTP1.1/TLS and HTTP2 on various popular web sites; (iii) Implication of roaming in Europe, understanding the roaming ecosystem in Europe after the "Roam like Home" initiative; and (iv) A novel adaptive scheduler family with deadline is proposed for multihomed devices that only require a very coarse knowledge of the wireless bandwidth. Our results comprise different contributions in the scope of each research topic. To put it in a nutshell, we pinpoint the impact of different network configurations that further complicate the picture and hopefully contribute to the debate about performance assessment in MBB networks. The MBB users web performance shows that HTTP1.1/TLS is very similar to HTTP2 in our large-scale measurements. Furthermore, we observe that roaming is well supported for the monitored operators and the operators using the same approach for routing roaming traffic. The proposed adaptive schedulers for content upload in multihomed devices are evaluated in both numerical simulations and real mobile nodes. Simulation results show that the adaptive solutions can effectively leverage the fundamental tradeoff between the upload cost and completion time, despite unpredictable variations in available bandwidth of wireless interfaces. Experiments in the real mobile nodes provided by the MONROE platform confirm the findings.

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Частини книг з теми "Roaming experiment"

Huang, Weibo, Runlong Wu, and Shuying Kong. "Immersive ERP Experiment Based on 3D-Reconstruction Model of Panoramic Images." In Modern Management based on Big Data III. IOS Press, 2022. http://dx.doi.org/10.3233/faia220103.

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This study extends the application field of VR technology, and studies on the physical image problem of inventory management in ERP immersive experiment under VR technology, using the SSD block matching algorithm and the panoramic image in-depth information extraction algorithm to extract the two-dimensional in-depth information in the panoramic images. Then we reconstructed the object in 3D. The results show that the image reconstructed in 3D is clearer, more stereoscopic, and interactive, which solve the problems of low resolution, distortion, and low interaction in ERP virtual teaching environment, while using multimedia and camera roaming to enhance students’ immersive experience, achieve high-precision, real scene, better virtual teaching environment interaction. It can be seen that the immersive ERP experiment based on VR technology is conducive to improving students ’professional ability and docking ability, as well as improving students’ overall cognitive ability and operation ability of the ERP system.

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Hockx, Michel. "From Writing to Roaming." In The Making of Chinese-Sinophone Literatures as World Literature, 203–16. Hong Kong University Press, 2022. http://dx.doi.org/10.5790/hongkong/9789888528721.003.0011.

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Black and Blue is the collective name of a unique group of writers that has been promoting experimental fiction in China for over two decades. This article assesses the group’s contributions to global avant-garde aesthetics through its innovative practices and its dedication to its art. Close readings of work published in the group’s magazine provide insight into what David Damrosch calls the “negotiation between two different cultures,” in this case an engagement between Chinese fiction and Dutch poetry. These investigations are framed by an argument concerning the significance of the World Wide Web as a production site for world literature, the study of which continues to be dominated largely by print culture practices and values.

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Lahby, Mohamed, Ayoub Essouiri, and Abderrahim Sekkaki. "An Improved Modeling for Network Selection Based on Graph Theory and Cost Function in Heterogeneous Wireless Systems." In Paving the Way for 5G Through the Convergence of Wireless Systems, 285–304. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7570-2.ch012.

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The next generation of mobile wireless communications represents a heterogeneous environment which integrates variety of network generation like third generation (3G), fourth generation (4G), and fifth generation (5G). The major challenge in this heterogeneous environment is to decide which access point to use when multiple networks are available. Process of roaming mobile user from one technology to anther different is called vertical handover. In this chapter, the authors propose a new mechanism based on graph theory and cost function in order to determine the best path for the end user in terms of quality of service (QoS) when the vertical handover process is needed. Then, they investigate the impact of some existing weighting methods in order to determine the suitable method which can be coupled with the cost function. The experiments evaluation by using Mininet emulator demonstrate that the proposed approach can achieve a significant improvement concerning four QoS metrics: throughput, packet lost, packet delay, and packer jitter for two services FTP and video streaming.

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Тези доповідей конференцій з теми "Roaming experiment"

Ballal, Kalpit Dilip, Radheshyam Singh, Lars Dittmann, and Sarah Ruepp. "Experimental Evaluation of Roaming Performance of Cellular IoT Networks." In 2022 Thirteenth International Conference on Ubiquitous and Future Networks (ICUFN). IEEE, 2022. http://dx.doi.org/10.1109/icufn55119.2022.9829590.

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Schneider, Kevin, Damla Turgut, and Mainak Chatterjee. "An experimental study on Layer 2 roaming for 802.11 based WLANs." In 2007 IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks. IEEE, 2007. http://dx.doi.org/10.1109/wowmom.2007.4351698.

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Santos, Nubia Dos Santos Rosa Santana dos, Leandro Wives, José Valdeni De Lima, and Alexandre Hauber da Silva. "Avaliação do modelo M-ROAMI: um experimento para a análise do seu potencial de ensino, interatividade e ubiquidade." In XXVII Simpósio Brasileiro de Informática na Educação. Sociedade Brasileira de Computação - SBC, 2016. http://dx.doi.org/10.5753/cbie.sbie.2016.220.

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