发明人： 田静，张彪，崔嵬，宁晨，王烽宇，吴嗣亮

申请人： 北京理工大学

申请号： 201910064527.3

申请日期： 2019.01.23

摘要： 本发明提供一种脉冲多普勒雷达体制下的多目标运动参数联合估计方法，具体过程为：步骤一：对雷达回波数据进行建模，并对其进行脉冲压缩处理后，变换到快时间频域，得到距离频域—方位时域信号；步骤二：基于楔石变换对所述距离频域—方位时域信号进行的距离走动校正，并对校正后的信号沿距离向进行逆傅立叶变换；步骤三：对 ...

发明人： 田静，宁晨，崔嵬，张彪，杨子翔，吴嗣亮

申请人： 北京理工大学

申请号： 201910065143.3

申请日期： 2019.01.23

摘要： 本发明提供一种存在速度模糊的地面运动目标参数估计方法，具体过程为：步骤一：建立地面运动目标回波信号模型，并对其进行脉压处理和快时间维傅里叶变换，得到目标回波包络；步骤二：利用分段楔石变换对目标回波包络走动统一校正；步骤三：构造补偿函数对包络走动校正后的距离频域‑方位时域信号进行相位补偿，在对补偿后得 ...

发明人： 田静，李彦欣，崔嵬，宁晨，郭晓阳，吴嗣亮

申请人： 北京理工大学

申请号： 201910064475.X

申请日期： 2019.01.23

摘要： 本发明提供一种基于子带分解处理的高速运动目标参数联合估计方法，具体过程为：首先，对雷达回波数据进行建模与脉冲压缩处理，再将处理结果变换到快时间频域，得到距离频域信号；其次，对距离频域信号进行子带分解处理，然后对分解后的两个子带信号平移后进行共轭相乘处理得到合成信号；最后，对该合成信号分别在距离维和多 ...

作者： Pai Wang;Yongqing Wang;Ediz Cetin;Andrew G. Dempster;Siliang Wu （Beijing Institute of Technology, Beijing, China;Beijing Institute of Technology, Beijing, China;Macquarie University, Sydney, NSW, Australia;University of New South Wales, Sydney, NSW, Australia;Beijing Institute of Technology, Beijing, China）

出处： IEEE Transactions on Aerospace and Electronic Systems 2019

关键词： Jamming;Kalman filters;Global navigation satellite system;Frequency estimation;Chirp;Receivers;Estimation;Global navigation satellite system (GNSS);instantaneous frequency (IF) estimation;jammer mitigation;Kalman filter;time-frequency (TF) analysis

摘要： In this paper, a time-frequency (TF) jammer mitigation algorithm based on a Kalman filter is proposed for global navigation satellite system (GNSS) re ...

作者： Pai Wang;Yongqing Wang;Ediz Cetin;Andrew Graham Dempster;Siliang Wu （Beijing Institute of Technology, Beijing, China;Beijing Institute of Technology, Beijing, China;Macquarie University, Sydney, NSW, Australia;University of New South Wales, Sydney, NSW, Australia;Beijing Institute of Technology, Beijing, China）

出处： IEEE Transactions on Aerospace and Electronic Systems 2019

关键词： Jamming;Global navigation satellite system;Estimation error;IP networks;Chirp;Time-frequency analysis;Frequency estimation;Global navigation satellite systems (GNSS);instantaneous frequency (IF) estimation;jammer mitigation;subspace projection;time–frequency (TF) analysis

摘要： Intentional jammers broadcasting chirp-style signals present a major threat to the operation of the global navigation satellite systems (GNSS) receive ...

作者： Qing Shen;Wei Liu;Wei Cui;Siliang Wu;Piya Pal （School of Information and Electronics, Beijing Institute of Technology, Beijing, China;Department of Electronic and Electrical Engineering, University of Sheffield, Sheffield, U.K;School of Information and Electronics, Beijing Institute of Technology, Beijing, China;School of Information and Electronics, Beijing Institute of Technology, Beijing, China;Department of Electrical and Computer Engineering, University of California, San Diego, CA, USA）

出处： IEEE Transactions on Signal Processing 2019

关键词： Sensor arrays;Direction-of-arrival estimation;Estimation;Array signal processing;Apertures;Multiple signal classification;Smoothing methods;Sparse array;high order;difference co-array;direction of arrival estimation;nested array

摘要： Based on the high-order difference co-array concept, an enhanced four-level nested array (E-FL-NA) is first proposed, which optimizes the consecutive ...

作者： Wang, Pai;Wang, Yongqing;Cetin, Ediz;Dempster, Andrew Graham;Wu, Siliang

出处： IEEE Transactions on Aerospace & Electronic Systems 2019 Vol.55No.1 P343-355

关键词： Chirp;Estimation error;Frequency estimation;Global navigation satellite system;Global navigation satellite systems (GNSS);instantaneous frequency (IF) estimation;IP networks;jammer mitigation;Jamming;subspace projection;time–frequency (TF) analysis;Time-frequency analysis

摘要： Intentional jammers broadcasting chirp-style signals present a major threat to the operation of the global navigation satellite systems (GNSS) receive ...

作者： Wang, P.;Wang, Y.;Cetin, E.;Dempster, A.G.;Wu, S. （a School of Information and Electronics, Beijing Institute of Technology, Beijing, 100081, China; b Department of Engineering, Macquarie University, Sydney, NSW 2109, Australia; c Australian Centre for Space Engineering Research, School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW 2052, Australia）

出处： IEEE Transactions on Aerospace and Electronic Systems 2019

关键词： Global navigation satellite systems (GNSS);instantaneous frequency (IF) estimation;jammer mitigation;subspace projection;time-frequency (TF) analysis

摘要： Intentional jammers broadcasting chirp-style signals present a major threat to the operation of the global navigation satellite systems (GNSS) receive ...

作者： Wang, P.;Wang, Y.;Cetin, E.;Dempster, A.G.;Wu, S. （a School of Information and Electronics, Beijing Institute of Technology, Beijing, 100081, China; b Department of Engineering, Macquarie University, Sydney, NSW 2109, Australia; c Australian Centre for Space Engineering Research (ACSER), School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW 2052, Australia）

出处： IEEE Transactions on Aerospace and Electronic Systems 2019

关键词： Global navigation satellite system (GNSS);instantaneous frequency (IF) estimation;jammer mitigation;Kalman filter;time-frequency (TF) analysis

摘要： In this paper, a time-frequency (TF) jammer mitigation algorithm based on a Kalman filter is proposed for global navigation satellite system (GNSS) re ...

作者： Wei Cui;Shuang Wu;Qing Shen;Jing Tian;Si-Liang Wu;Xiang-Gen Xia （Beijing Institute of Technology, Beijing, China Beijing Institute of Technology, Beijing, China Beijing Institute of Technology, Beijing, China Beijing Institute of Technology, Beijing, China Beijing Institute of Technology, Beijing, China University of Delaware, Newark, USA）

出处： IEEE Transactions on Aerospace and Electronic Systems 2019

关键词： Parameter estimation;Transforms;Estimation;Correlation;Radar;Acceleration;Time-frequency analysis;Doppler frequency migration (DFM);parameter estimation;radar maneuvering target;range migration (RM);recursively parametric scaled correlation transform (RPSCT);synthetic aperture radar (SAR)

摘要： This paper proposes an efficient method for maneuvering targets with arbitrary migrations. This method first employs bisection range frequency conjuga ...