作者： ZHANG Xue-jing;CHEN He;YANG Jing （¹School of Information and Electronic, Beijing Institute of Technology, Beijing 100081, China ;²Department of Electronics Engineering, School of Information, Beijing Union University, Beijing 100101, China）

出处： Transactions of Beijing Institute of Technology 2013 Vol.33 No.10 P1056-1061

关键词： Kalman filter;linear prediction;Mean Shift algorithm;occlusion estimation;realtime

摘要： To solve the problem of significant occlusion and failure when reappearing in combining Kalman filter and Mean Shift, a new improved method which is b ...

作者： Ge, Shiqi;Chen, Liang;Ding, Zegang;Long, Teng （¹ School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China）

出处： Acta Geodetica et Cartographica Sinica 2013 Vol.42 No.3 P367-373,396

摘要： In order to address the difficulties in elevation extraction for rugged terrain due to phase undersampling by conventional InSAR system, a phase unwra ...

作者： Ma, Cui-Mei;Chen, He;Zhang, Fei-Fei （¹ School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China）

出处： Transactions of Beijing Institute of Technology 2013 Vol.33 No.9 P965-969

关键词： finite word length;pulse compression;quantization noise;synthetic aperture radar

摘要： To realize the fixed-point processing of synthetic aperture radar, a model of quantization noise due to the fixed-point processing is proposed. By usi ...

作者： Tian, Li-Yu;Liu, Bin （¹School of Information and Electronics, Beijing Institute of Technology, Beijing 10081, China）

出处： Transactions of Beijing Institute of Technology 2013 Vol.33 No.1 P105-110

关键词： Doppler compensation;four-phase complementary codes;moving target detect (MTD);phase code;pulse compression

摘要： The range sidelobe of phase-coded compression signals could induce the problem that the sidelobe of a large target might mask the presence of nearby s ...

作者： Wang, Xing-Hua;Li, Xiao;Li, Tong;Zhang, Lei;Zhang, Qian;Zhong, Shun-An （¹School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China）

出处： Transactions of Beijing Institute of Technology 2013 Vol.33 No.7 P729-731,740

关键词： CMOS technology;distributed amplifier;low noise;ultra-wideband

摘要： This paper proposes a distributed amplifier which can be applied to ultra wide-band (UWB) wireless communication systems. The distributed amplifier ca ...

作者： Liu, Heng;Wang, Zheng-Huan;Bu, Xiang-Yuan;An, Jian-Ping （¹School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China）

出处： Transactions of Beijing Institute of Technology 2013 Vol.33 No.11 P1155-1160

关键词： minimum mean square error(MMSE);radio tomographic imaging;received signal strength(RSS);shadowing loss;wireless sensor network;minimum mean square error(MMSE);radio tomographic imaging;received signal strength(RSS);shadowing loss;wireless sensor network

摘要： Using radio tomographic imaging method to locate the target in the area consisting by wireless sensor network is presented. Some links between nodes e ...

作者： Luo, Hai-Kun;Wang, Yong-Qing;Luo, Yu;Wu, Si-Liang （¹ School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China）

出处： Transactions of Beijing Institute of Technology 2013 Vol.33 No.11 P1176-1182

关键词： code Doppler frequency compensation;high dynamic;long-term integration;PMF-FFT;code Doppler frequency compensation;high dynamic;long-term integration;PMF-FFT

摘要： In high dynamic and long-term integration condition, the code Doppler frequency will lead to code phase migration in PMF-FFT algorithm, which is not c ...

作者： Qin, Guo-Jie;Xie, Min;Gao, Mei-Guo;Fu, Xiong-Jun;Liu, Guo-Man （¹School of Information and Electronics, Beijing Institute of Technology, Beijing 10081,China）

出处： Transactions of Beijing Institute of Technology 2013 Vol.33 No.8 P841-847

关键词： flash storage system;interchannel pipelining;intra-channel interleaving;multi-channel architecture

摘要： A new multi-channel flash storage architecture based on intra-channel interleaving and inter-channel pipelining method was introduced. The theory of t ...

作者： Luo, Sen-Lin;Han, Lei;Pan, Li-Min;Feng, Yang;Liu, Ying-Ying （¹ School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China）

出处： Transactions of Beijing Institute of Technology 2013 Vol.33 No.2 P166-171

关键词： Chinese semantics;natural language processing;reverse questions;sentential semantic analysis;sentential semantic mode

摘要： The requirement of deep language understanding is more and more important in the fields of information auto-processing and information security. To so ...

作者： Chen, Ning;Zhou, Ju;Wei, Ming （¹ School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China）

出处： Transactions of Beijing Institute of Technology 2013 Vol.33 No.9 P961-964

关键词： channel calibration;four-element-array;iterative algorithm

摘要： RF target simulator could simulate the target position by controlling the channels\' amplitude and phase in three or four-element-array scheme, whilst ...