作者： Zhao, Shenghui¹;Rao, Chongling （¹School of Information and Electronics, Beijing Institute of Technology, Beijing, 100081, China）

出处： Journal of Beijing Institute of Technology (English Edition) 2019 Vol.28 No.3 P491-496

摘要： Aiming at improving rate flexibility of the enhanced voice services (EVS) channel-aware mode for various VoIP applications, two new bit-rate channel-a ...

作者： Wu, Jiayi¹;Hu, Tiancun²;Liang, Bizheng¹;Zhang, Xuqi³;Liu, Celun¹; （¹School of Information and Electronics, Beijing Institute of Technology, Beijing, 100081, China;²National Key Laboratory of Science and Technology on Space Microwave, China Academy of Space Technology (Xi'an), Xi'an, 710000, China;³HiRain Technologies Co., Ltd., Beijing, 100191, China）

出处： Zhongguo Kongjian Kexue Jishu/Chinese Space Science and Technology 2019 Vol.39 No.2 P27-33

摘要： Passive intermodulation often affects the normal operation of multi-carrier communication satellites. Because of the complexity of passive intermodula ...

作者： Shaoqiang CHANG，Honggang ZHANG，Teng LONG，Quanhua LIU，Le ZHENG （Radar Research Laboratory，School of Information and Electronics，Beijing Institute of Technology；Department of Electronic Engineering，Tsinghua University；Key Laboratory of Electronic and Information Technology in Satellite Navigation (Beijing Institute of Technology)，Ministry of Education；Electrical Engineering Department，Columbia University）

出处： Science China(Information Sciences) 2019 第62卷 第4期 P50-52

关键词： DEAR；EDITOR；tracking；search/acquisition

摘要： Dear editor,The performance of radar target detection and tracking is greatly influenced by waveform bandwidth. Ref. \'(1)\' proposes that very narrow ...

作者： Hanxiao YU，Zesong FEI，Congzhe CAO，Ming XIAO，Dai JIA，Neng YE （School of Information and Electronics， Beijing Institute of Technology；Department of Electrical and Computer Engineering， University of Alberta；School of Electrical Engineering， KTH Royal Institute of Technology）

出处： Science China(Information Sciences) 2019 第62卷 第8期 P22-34

关键词： SPATIAL；coupling；CODED；slotted；ALOHA；contention-based；access；density；evolution；IRREGULAR；REPETITION

摘要： Contention-based access is a promising technology for massive and sporadic transmissions. In this paper, we propose a novel contention-based multiple ...

作者： LIU Han¹;ZHANG Yanmei¹;ZHAO Baojun¹;GUO Haichao²;ZHAO Boya¹; （¹School of Information and Electronics,Beijing Institute of Technology;²National Key Laboratory of Science and Technology on Space Microwave,China Academy of Space Technology）

出处： Journal of Systems Engineering and Electronics 2019 第30卷 第2期 P251-258

关键词： background；model；background；oriented；schlieren；(BOS)；schlieren；detection；wavelet；decomposition

摘要： A schlieren detection algorithm is proposed for the ground-to-air background oriented schlieren(BOS) system to achieve high-speed airplane shock waves ...

作者： DIDA Mussa Ally^1,2;HUAN Hao¹;TAO Ran¹;WANG Teng¹;URYNBASSAROVA Didar¹; （¹School of Information and Electronics,Beijing Institute of Technology;²School of Computational and Communication Science and Engineering,Nelson Mandela African Institute of Science and Technology）

出处： Journal of Systems Engineering and Electronics 2019 第30卷 第3期 P467-473

关键词： fractional；Fourier；transform；(FrFT)；constant；envelope；spectral；efficiency；(SE)；energy；efficiency；(EE)；high；power；ampli-fier

摘要： Constant envelope with a fractional Fourier transformorthogonal frequency division multiplexing(CE-FrFT-OFDM) is a special case of a constant envelope ...

作者： Muhammad Yasir Faheem¹;Shuna\'n Zhong¹;Abid Ali Minhas²;Muhammad Basit Azeem³; （¹School of Information and Electronics,Beijing Institute of Technology;²College of Computer and Information Systems,Al Yamamah University;³Department of Electrical Engineering,COMSATS University Islamabad,Lahore Campus）

出处： Journal of Beijing Institute of Technology 2019 第28卷 第1期 P103-108

关键词： WORLDWIDE；INTEROPERABILITY；for；MICROWAVE；access；frequency；synthesizer(FS)；power；AMPLIFIER；low；noise；AMPLIFIER

摘要： A state of the art ultra-low power small sized transceiver design has been proposed.This device consists of four blocks,including a frequency synthesi ...

作者： Su Yan¹;Xinyi Wang¹;Zongling Li²;Bin Li³;Zesong Fei¹; （¹School of Information and Electronics, Beijing Institute of Technology;²Institute of Spacecraft System Engineering;³School of Computer and Software, Nanjing University of Information Science and Technology）

出处： China Communications 2019 第16卷 第12期 P154-164

关键词： hybrid；satellite；terrestrial；relay；networks；physical；layer；security；cooperative；jamming

摘要： To integrate the satellite communications with the LTE/5G services, the concept of Hybrid Satellite Terrestrial Relay Networks(HSTRNs) has been propos ...

作者： Xiaochen Hou¹;Dechun Guo¹;Hao Chen¹;Zhibo Zhang¹; （School of Information and Electronics, Beijing Institute of Technology, China）

出处： IOP Conference Series: Materials Science and Engineering 2019 Vol.563 No.4 P042020

摘要： In frequency hopping communication systems, synchronization of frequency hopping sequences is a prerequisite for ensuring normal communication. In thi ...

作者： Jingxuan Huang，Zesong Fei，Tianxiong Wang，Xinyi Wang，Fan Liu，Haijun Zhou，J.Andrew Zhang，Guohua Wei （School of Information and Electronics，Beijing Institute of Technology；State Key Laboratory of Wireless Mobile Communications，China Academy of Telecommunications Technology(CATT)；Department of Electronic and Electrical Engineering，University College London；University of Technology Sydney）

出处： China Communications 2019 第16卷 第10期 P100-111

关键词： automotive；radars；V2X；communications；radar；interference；spectrum；allocation

摘要： With the development of automated driving vehicles, more and more vehicles will be fitted with more than one automotive radars, and the radar mutual i ...