作者： Cheng Hu;Tianjiao Lang;Rui Wang;Changjiang Liu （School of Information and Electronics, Beijing Institute of Technology School of Information and Electronics, Beijing Institute of Technology School of Information and Electronics, Beijing Institute of Technology School of Information and Electronics, Beijing Institute of Technology）

出处： The Journal of Engineering 2019 Vol.2019 No.19 P5860-5863

关键词： parameter estimation;radar cross-sections;electromagnetic wave scattering;biological techniques;zoology;computational electromagnetics;atmospheric electromagnetic wave propagation;flying bird;FEKO electromagnetic simulation software;electromagnetic scattering characteristics;flapping bird;bird flight;aerial birds;radar cross-section;RCS values fluctuation;airborne birds;flapping angle model;flapping attitudes;parameter estimation method

摘要： Bird flight has caused many scientists\' interest for a long time, of which the flapping is the most common locomotion. Radar provides a powerful tool ...

作者： Feng Li;Wengu Yang;Zhou Wang;Di Yao （School of Information and Electronics, Beijing Institute of Technology School of Information and Electronics, Beijing Institute of Technology School of Information and Electronics, Beijing Institute of Technology School of Information and Electronics, Beijing Institute of Technology）

出处： The Journal of Engineering 2019 Vol.2019 No.19 P5580-5583

关键词： interpolation;synthetic aperture radar;radar imaging;spiral trajectory SAR;flight platform;slant range;Range Cell Migration;effective imaging range;novel polar;synthetic aperture radar signal model;spiral trajectory platform;sector-by-sector phase compensation method

摘要： A novel polar format algorithm is proposed for spiral trajectory. The synthetic aperture radar (SAR) signal model of spiral trajectory platform is fir ...

作者： Jiatong Han;Xia Bai;Juan Zhao;Tao Shan （School of Information and Electronics, Beijing Institute of Technology School of Information and Electronics, Beijing Institute of Technology School of Information and Electronics, Beijing Institute of Technology School of Information and Electronics, Beijing Institute of Technology）

出处： The Journal of Engineering 2019 Vol.2019 No.20 P7148-7152

关键词： compressed sensing;passive radar;radar resolution;military applications;commercial applications;compressive sensing;monostatic radar;multistatic radar;cs-based processing;ambiguous function;incoherent cs dictionary construction method;high-resolution passive radar systems;high-resolution pr systems

摘要： Passive radar (PR) systems are attractive for various military and commercial applications, where illuminators of opportunity are used. Using the fact ...

作者： Honggang Zhang;Wei Liu;Quanhua Liu;Jian Yang （Tsinghua University School of Information and Electronics, Beijing Institute of Technology School of Information and Electronics, Beijing Institute of Technology Tsinghua University）

出处： The Journal of Engineering 2019 Vol.2019 No.19 P6099-6103

关键词： antenna arrays;radar signal processing;receiving antennas;interference suppression;adaptive filters;array signal processing;aperture sparse array;mainlobe interference cancellation;auxiliary receiving antennas;design approach;mainlobe interference suppression;grating lobe zero phenomenon

摘要： Large aperture sparse array has the ability of mainlobe interference suppression. However, sparse array causes grating lobe problem. If the array is s ...

作者： Liu Xiao;Zhang Lei （School of Information and Electronics, Beijing Institute of Technology School of Information and Electronics, Beijing Institute of Technology）

出处： The Journal of Engineering 2019 Vol.2019 No.20 P7139-7143

关键词： global positioning system;elemental semiconductors;iridium compounds;least squares approximations;iridium-augmented gps positioning performance;positioning accuracy;iridium system;low-orbit satellite system;iridium-augmented gps system;global positioning system;dop values;localisation algorithm;weighted least-squares method

摘要： Although the global positioning system (GPS) has a series of advantages such as global and high precision, there are still many deficiencies, in many ...

作者： Xiaoqing Cui;Zhifeng Ma （School of Information and Electronics, Beijing Institute of Technology School of Information and Electronics, Beijing Institute of Technology）

出处： The Journal of Engineering 2019 Vol.2019 No.20 P6426-6428

关键词： radial basis function networks;radar computing;neural nets;failure analysis;timeout value prediction;complex radar network environment;misjudge rate;failure detection delay;neural network heartbeat detection algorithm;radial-basis neural network model;radar network management;operational environment;dynamic heartbeat detection algorithm

摘要： The operational environment faced by modern radars is becoming increasingly complex. The timely detection of the failure of a node and the adoption of ...

作者： Xinxin Fang¹;Ke Pang¹; （¹Beijing Institute of Technology, School of Information and Electronics, Beijing, China）

出处： IOP Conference Series: Materials Science and Engineering 2019 Vol.612 No.3 P042049

摘要： In this paper, a broadband polarization isolation device suitable for the terahertz band is designed by combining optics and electromagnetics. The 3D ...

作者： Zhihua Yuan¹;Defeng Chen¹;Shan Xue¹;Tuo Fu¹; （School of Information and Electronic, Beijing Institute of Technology, Beijing, 100081, China）

出处： IOP Conference Series: Materials Science and Engineering 2019 Vol.608 No.1 P012038

摘要： In order to solve the problem of severe velocity ambiguity for pulse Doppler radar high-speed space orbital targets measurement, a new velocity ambigu ...

作者： Li, Yao¹;Zhou, Bo¹;Zhao, Fuyuan¹; （¹School of Information and Electronics, Beijing Institute of Technology, Beijing, China）

出处： Frontiers in Artificial Intelligence and Applications 2019 Vol.320 P1004-1011

关键词： Dynamic bandwidth;Fractional-N phase-locked loop (PLL);Presetting frequency;Settling time

摘要： A fast-settling dual-path fractional-N phase-locked loop(PLL) is presented in this paper, which is applied for frequent current charging and dischargi ...

作者： Wu, Q.;Xie, C.;Ren, S.;Wang, W.;Guo, Z. （School of Information and Electronics, Beijing Institute of Technology, Beijing, China）

出处： Advances in Intelligent Systems and Computing 2019 Vol.752 P757-766

关键词： Frequency domain integral;Joint algorithm;Oilfield automation monitoring;Vibration signal

摘要： In view of the need of automatic monitoring of oil field station, a joint algorithm for vibration monitoring of water injection pump in oil field is p ...