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211 results on '"Guo, Shaobin"'

21. Frame Synchronization Method for BDS B2a Signal Under the Constraint of Non-binary LDPC Code

Author

Jiang, Bowen, Chen, Lin, Pan, Hongchen, Liu, Yuqi, Chen, Jiangyu, Guo, Shaobin, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zhang, Junjie James, Series Editor, Sun, Jiadong, editor, Yang, Changfeng, editor, and Xie, Jun, editor

Published
2020
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22. Pseudorandom Code Error Monitoring Method for GNSS Signal

Author

Yang, Yi, Chen, Lin, Liu, Yuqi, Guo, Shaobin, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zhang, Junjie James, Series Editor, Sun, Jiadong, editor, Yang, Changfeng, editor, and Xie, Jun, editor

Published
2020
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23. Structural deformation characteristics of the Lower Yangtze area in South China and its structural physical simulation experiments

Author

Li Xiao, Hu Qiuyuan, Dong Dawei, and Guo Shaobin

Subjects
lower yangtze area, structural deformation characteristics, structural physical simulation, forming mechanisms, petroleum exploration, Geology, QE1-996.5
Abstract

The analysis of structural deformation characteristics in the Lower Yangtze area of South China is of great significance to petroleum exploration and development in this area. Based on the geological and geophysical data, the structural deformation characteristics of the Lower Yangtze area are systematically discussed. Structural physical simulation experiments are further conducted to model the typical structural deformation systems and to discuss their dynamic mechanism. The results show that the hedging system is characterized by “asymmetric opposite hedging in the south and north” of the study area. The structural deformation on the northwest of the hedging system mainly occurred in the Middle-Late Triassic and was controlled by southeaster compression in the Indo-Chinese Period. The deformation of southeastern side of the hedging system mainly occurred in Middle-Late Jurassic and was controlled by northwester strong compression in the early period of the Yanshanian Movement. According to the development and evolution sequence of the hedging structure system in the Lower Yangtze area, Wuxi area has weak structural deformation and has not undergone intensive transformation in later periods. Also, the other factors of petroleum accumulation, including the source rock, reservoir, and sealing conditions, are superior, which make a potential area for exploration.

Published
2021
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41. Biomimetic Asymmetric Composite Dressing by Electrospinning with Aligned Nanofibrous and Micropatterned Structures for Severe Burn Wound Healing

Author

He, Chenhui, primary, Yu, Bangrui, additional, Lv, Yicheng, additional, Huang, Yufeng, additional, Guo, Jiadong, additional, Li, Liang, additional, Chen, Mingmao, additional, Zheng, Yunquan, additional, Liu, Minghua, additional, Guo, Shaobin, additional, Shi, Xianai, additional, and Yang, Jianmin, additional

Published
2022
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46. Pseudorandom Code Error Monitoring Method for GNSS Signal

Author

Guo Shaobin, Yuqi Liu, Lin Chen, and Yi Yang

Subjects
Pseudorandom number generator, GNSS applications, Computer science, business.industry, Payload (computing), Code (cryptography), Ranging, Chip, business, Signal, Multiplexing, Computer hardware
Abstract

Pseudorandom code error of GNSS signal could degrade user receiver’s data demodulation and ranging performance, it is usually caused by unexpected behaviour within the logic circuits of navigation signal generation in satellite payload. Due to the complexity of modernized GNSS signal structure, real-time pseudorandom code error monitoring has become an important and challenging issue. A novel method is proposed in this paper, by appending several calculation steps into conventional receiver’s signal tracking loop and with the external aid of navigation message, rapid detection of GNSS single spreading code error can be realized. The simulation result shows that by taking this method, accidental pseudorandom code error can be instantly detected regardless of various code chip waveforms and multiplexing schemes, and it’s applicable for both public and authorized signals. This method can be applied to the design of Satellite Autonomous Integrity Monitoring (SAIM) payload.

Published
2020

47. Frame Synchronization Method for BDS B2a Signal Under the Constraint of Non-binary LDPC Code

Author

Bowen Jiang, Yuqi Liu, Jiangyu Chen, Hongchen Pan, Guo Shaobin, and Lin Chen

Subjects
Noisy-channel coding theorem, Synchronizer, Computer science, Binary number, Data synchronization, Data_CODINGANDINFORMATIONTHEORY, Code rate, Low-density parity-check code, Algorithm, Decoding methods, Computer Science::Information Theory, Coding (social sciences)
Abstract

Low-Density Parity-Check (LDPC) Code has become one of the best coding technologies at present because of its low complexity iterative decoding algorithm and its performance with further close to the Shannon limit. Non-binary LDPC codes designed in high order Galois fields have shown better potential than binary LDPC codes with the same code length and code rate, therefore it was applied for the navigation message encoding in BeiDou satellite navigation system (BDS). The navigation message contains time information, ephemeris parameters, clock correction terms and so forth, which is necessary for navigation solution. As the synchronization head was not encoded, it is hard to deal with data synchronization and navigation data decoding when the navigation receiver works at a low Signal-to-Noise Ratio (SNR). Aiming at this problem, we present a synchronization scheme for BDS B2a signal by utilizing the information from the process of decoding. The synchronizer is based on syndrome checks using the decoding result of the Extended Min-Sum (EMS) algorithm. Ratios of satisfaction of all check restrictions are computed firstly, and then the boundary value is obtained through MonteCarlo method. Simulation results show that the proposed algorithm performs well at relatively low SNR compared with traditional method.

Published
2020

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