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A New Method of the virtual TDOA Estimation for the Passive Radar Source Localization Based on PSAAA 8

A New Method of the Virtual TDOA Estimation for the Passive ...

引用

8th International Conference on Wireless Communications and Signal Processing (WCSP)

作者： Wan, Pengwu Li, Zan Hao, Benjian Liu, Boyang Zhu, Jianfeng Xidian Univ State Key Lab Integrated Serv Networks Xian 710071 Peoples R China Sci & Technol Commun Informat Secur Control Lab Jiaxing 314033 Zhejiang Peoples R China

ISBN: (纸本)9781509028603

The passive synthetic aperture antenna array (P-SAAA) technology is inspired by the idea of synthetic aperture sonar and synthetic aperture radar, which is a new method used to the passive radar source localization using only one small aircraft. virtual time difference of arrival (VTDOA) estimation is critical for the PSAAA technology, it is defined as the time difference of the radar pulse transmission from the radar source position to different virtual receivers, where the virtual receivers are the flight track position of the small aircraft at different flight time. In this paper, we present three different algorithms of curve fitting to approximate the main-beam pattern of the radar antenna, then the VTDOA can be estimated using the corresponding time of the peak of the curve. The simulation results show that the second-order polynomial of the least squares (LS) curve fitting algorithm is the optimal method to approximate the main beam pattern of the radar antenna at the receiver, which also is the optimal method to be used in the VTDOA estimation.

关键词： Passive Localization virtual time differences of arrival Passive Synthetic Aperture Antenna Array Curve Fitting Radar

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A New Method of the virtual TDOA Estimation for the Passive Radar Source Localization Based on PSAAA

A New Method of the Virtual TDOA Estimation for the Passive ...

引用

International Conference on Wireless Communications and Signal Processing

作者： Pengwu Wan Zan Li Benjian Hao Boyang Liu Jianfeng Zhu State Key Laboratory of Integrated Services Networks Xidian University Science and Technology on Communication Information Security Control Laboratory

ISBN: (纸本)9781509028610

关键词： Passive Localization virtual time differences of arrival Passive Synthetic Aperture Antenna Array Curve Fitting Radar

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Passive Radar Source Localization Based on PSAAA Using Single Small Size Aircraft

Passive Radar Source Localization Based on PSAAA Using Singl...

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IEEE Globecom Workshops (GC Wkshps)

作者： Hao, Benjian Zhu, Jianfeng Li, Zan Xiao, Song Tong, Lang Xidian Univ State Key Lab Integrated Serv Networks Xian 710071 Peoples R China Sci & Technol Commun Informat Secur Control Lab Jiaxing 314033 Zhejiang Peoples R China

ISBN: (纸本)9781467395267

This paper considers the problem of how to accurately and passively localise the hostile radar position based on only one small size aircraft. Inspired by Synthetic Aperture Sonar (SAS), Synthetic Aperture Radar (SAR) and multi-static passive radar, a similar concept of Passive Synthetic Aperture Antenna Array (PSAAA) is introduced into this paper. The same single receiver carried by one small aircraft is virtually taken as PSAAA element at different flight track positions at multiple different moments. Taking full advantages of aircraft space movement and radar antenna circular rotation, it is proposed an effective method to estimate the virtual time differences of arrival (VTDOAs). The VTDOAs are the passive localization information defined as the time differences of the radar pulse transmission from the radar position to different virtual receivers. Based on the VTDOAs estimation, we propose a construction method for the binary quadratic localization equation group, and then a closed-form solution algorithm is given for passive radar position estimation. Simulations corroborate the performance of the proposed methods.

关键词： Passive Localization Synthetic Aperture Antenna Array Radar virtual time differences of arrival Small Size Aircraft

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Passive Radar Source Localization Based on PSAAA Using Single Small Size Aircraft

Passive Radar Source Localization Based on PSAAA Using Singl...

引用

IEEE Globecom Workshops

作者： Benjian Hao Jianfeng Zhu Zan Li Song Xiao Lang Tong State Key Laboratory of Integrated Services Networks Xidian University Xi an China 710071 Science and Technology on Communication Information Security Control Laboratory Jiaxing Zhejiang China 314033

ISBN: (纸本)9781467395274

关键词： Passive Localization Synthetic Aperture Antenna Array Radar virtual time differences of arrival Small Size Aircraft

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