作者： Ruiguo Huo;Weiming Tian;Hongyan Mei;Jingyang Wang （School of Information and Electronics, Beijing Institute of Technology, People\'s Republic of China School of Information and Electronics, Beijing Institute of Technology, People\'s Republic of China School of Information and Electronics, Beijing Institute of Technology, People\'s Republic of China School of Information and Electronics, Beijing Institute of Technology, People\'s Republic of China）

出处： The Journal of Engineering 2019 Vol.2019 No.19 P5901-5904

关键词： MIMO radar;radar imaging;compensation;channel estimation;radar transmitters;radar resolution;radar receivers;least squares approximations;inferior imaging performance;compensation method;MIMO imaging radar;multiple-input multiple-output radar;target detection;multiple observation channels;transmitters;orthogonal signal transmission;azimuth resolution enhancement;transmit array element structure;receive array element structure;multiple-channel amplitude error estimation;multiple-channel phase error estimation;constrained least square method;CLS method;point target characteristics

摘要： Multiple-input multiple-output (MIMO) radar plays a more and more important role in radar imaging, target detection, and other fields owing to its uni ...

作者： Shankang Hu;Xiaoning Liu;Yizhuang Xie;Shanqing Hu;Bingyi Li （Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology DFH Satellite Co., Ltd Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology）

出处： The Journal of Engineering 2019 Vol.2019 No.20 P6537-6540

关键词： radar imaging;synthetic aperture radar;system-on-chip;field programmable gate array;transmission module;pre-processing module;imaging system;spotlight mode;stripmap mode;down-sampling processing;ddc module;chirp scaling algorithm;system-on-a-programmable-chip;synthetic aperture radar imaging;data pre-processing;high-speed data transmission

摘要： For the chirp scaling algorithm of synthetic aperture radar imaging, an efficient transmission of a large volume of data is indispensable. Prior to im ...

作者： Hongyan Mei;Weiming Tian;Ruiguo Huo;Jingyang Wang （School of Information and Electronics, Beijing Institute of Technology, People\'s Republic of China School of Information and Electronics, Beijing Institute of Technology, People\'s Republic of China School of Information and Electronics, Beijing Institute of Technology, People\'s Republic of China School of Information and Electronics, Beijing Institute of Technology, People\'s Republic of China）

出处： The Journal of Engineering 2019 Vol.2019 No.19 P5927-5931

关键词： digital signal processing chips;parallel processing;multiprocessing systems;software architecture;image processing;radar imaging;MIMO radar;data acquisition;Matlab;multichannel data;real-time image processing software architecture;MIMO imaging radar algorithm;echo data;multicore parallel processing;MIMO radar real-time imaging system;multicore DSP;multiple-input multiple-output imaging radar;floating-point DSP;imaging algorithms;data acquisition speed;ground-based SAR;TI\'s keystone multicore architecture;single-core digital signal processors;task allocation;Matlab

摘要： Multiple-input multiple-output (MIMO) imaging radar is a new kind of new imaging radar in recent years. It can achieve faster data acquisition speed t ...

作者： Chenhui Duan;Baojun Zhao;Linbo Tang;Cheng Li;Chen Li （Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology North China University of Technology）

出处： The Journal of Engineering 2019 Vol.2019 No.21 P7331-7334

关键词： image classification;wavelet transforms;image segmentation;object detection;support vector machines;feature extraction;image coding;geophysical image processing;data compression;remote sensing;line segment detection;airfield candidates;rs images;nonstructural regions;structural saliency map;raw jpeg2000 code streams;airfield detection framework;saliency method;on-orbit specific target detection;optical remote sensing images;jpeg2000 compressed domain;detection rate;final detection results

摘要： With the rapid increase of optical remote sensing (RS) images, on-orbit specific target detection has been facing more and more challenges: limited pr ...

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

出处： The Journal of Engineering 2019 Vol.2019 No.19 P5648-5651

关键词： parameter estimation;radar imaging;error compensation;synthetic aperture radar;CSAR moving target;circular SAR;SAR imaging mode;long-time observation;PFA images;point target simulation;parameter inversion algorithm;parameter estimation model;wave-front phase error compensation;geometric positioning error;CSAR sub-aperture imaging algorithms

摘要： Circular SAR (CSAR) as a new kind of SAR imaging mode has the advantage of long-time observation. For the moving target, the corresponding parameters ...

作者： Linlin Fang;Yizhuang Xie;Bingyi Li;He Chen （Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology）

出处： The Journal of Engineering 2019 Vol.2019 No.21 P7436-7439

关键词： synthetic aperture radar;floating point arithmetic;field programmable gate arrays;radar imaging;logic design;function generators;chirp scaling phase functions;chirp scaling phase function generation scheme;cordic algorithm;single precision floating-point cordic processor;nonlinear operations;hardware resource reduction scheme;unified cordic processor;division operation;xilinx xc7vx690t fpga platform;sar imaging system;cs synthetic aperture radar imaging algorithm;multiplication operation;square root operation

摘要： This study presents a chirp scaling (CS) phase function generation scheme based on CORDIC algorithm, it adopts single precision floating-point CORDIC ...

作者： Wei Tang;Baojun Zhao;Linbo Tang;Jinghong Nan （Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology）

出处： The Journal of Engineering 2019 Vol.2019 No.21 P7662-7666

关键词： ships;object detection;image representation;image classification;synthetic aperture radar;feature extraction;radar imaging;learning (artificial intelligence);numerous space-borne sar images;higher detection accuracy;hierarchical ship detection method;space-borne sar image;ship sizes;novel hierarchical ship detection framework;edge-enhanced maximally stable extremal regions;ship candidates;simple shape analysis;ship targets

摘要： Ship detection from space-borne SAR image is a challenging task. The main challenges in this task include the disturbance of sea clutter, island, coas ...

作者： Zhou Shichao;Zhao Baojun;Tang Linbo;Wang Wenzheng （School of Information and Electronic, Beijing Institute of Technology School of Information and Electronic, Beijing Institute of Technology School of Information and Electronic, Beijing Institute of Technology School of Information and Electronic, Beijing Institute of Technology）

出处： The Journal of Engineering 2019 Vol.2019 No.21 P7928-7931

关键词： hyperspectral imaging;feature extraction;geophysical image processing;pattern classification;image representation;learning (artificial intelligence);image classification;multiple sources representation learning;resultant features;hsi classification;multiple network channels;optimal joint feature;fusion-model;classification accuracy;spatial–spectral-joint model;deep learning framework;hyperspectral benchmarks;compressed spatial–spectral feature representation;hyperspectral ground classification;classification tasks;hyperspectral imagery;spectral information;spatial information;spectral feature extraction;spatial feature extraction;methods neglect;inherent relationships;extreme learning machine;fusion-elm framework

摘要： The difficulty of classification tasks in hyperspectral imagery (HSI) strongly depends on the representation of spectral or spatial information. Vast ...

作者： Xuchen Wu;Xiaopeng Yang;Bowen Han;Feng Xu （School of Information and Electronics, Beijing Institute of Technology and Key Laboratory of Electronic and Information Technology in Satellite Navigation (Beijing Institute of Technology), Ministry of Education School of Information and Electronics, Beijing Institute of Technology and Key Laboratory of Electronic and Information Technology in Satellite Navigation (Beijing Institute of Technology), Ministry of Education School of Information and Electronics, Beijing Institute of Technology and Key Laboratory of Electronic and Information Technology in Satellite Navigation (Beijing Institute of Technology), Ministry of Education School of Information and Electronics, Beijing Institute of Technology and Key Laboratory of Electronic and Information Technology in Satellite Navigation (Beijing Institute of Technology), Ministry of Education）

出处： The Journal of Engineering 2019 Vol.2019 No.20 P6503-6506

关键词： signal processing;signal classification;array signal processing;direction-of-arrival estimation;low-complexity doa estimation method;co-prime linear array;direction-of-arrival estimation;co-prime array;sparse uniform linear sub-arrays;inter-element spacing;co-prime condition;statistical signal processing;phase ambiguity;sparse array element spacing;co-prime nature

摘要： The problem of direction-of-arrival (DOA) estimation for a co-prime linear array is researched. A low-complexity DOA estimation method is proposed. Th ...

作者： Yue Li;Zhichun Chen;Yuyao Shen;Yongqing Wang （School of Information and Electronics, Beijing Institute of Technology Chinese Academy of Sciences Chinese Academy of Sciences School of Information and Electronics, Beijing Institute of Technology）

出处： The Journal of Engineering 2019 Vol.2019 No.19 P6024-6027

关键词： error detection;field programmable gate arrays;SRAM chips;improved hybrid scrubbing scheme;spaceborne static random access memory-based field programmable gate arrays;shrinking feature sizes;multiple-cell upsets;conventional hybrid scrubbing scheme;error detection process;error correction object;continuous error detection;erroneous zone correction;FPGA

摘要： With the shrinking feature sizes of static random access memory-based field programmable gate arrays (FPGAs), the occurrence probability of multiple-c ...