Equivalent Simulation Method for Pulse Radar ISAR Imaging in Radio Frequency Simulation

LIU Xiaobin; LIU Jin; LIU Guangjun; ZHAO Feng; WANG Guoyu

doi:10.11999/JEIT170931

Volume 40 Issue 7

Jul. 2018

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Article Navigation > Journal of Electronics & Information Technology > 2018 > 40(7): 1553-1560

LIU Xiaobin, LIU Jin, LIU Guangjun, ZHAO Feng, WANG Guoyu. Equivalent Simulation Method for Pulse Radar ISAR Imaging in Radio Frequency Simulation[J]. Journal of Electronics & Information Technology, 2018, 40(7): 1553-1560. doi: 10.11999/JEIT170931

Citation:

LIU Xiaobin, LIU Jin, LIU Guangjun, ZHAO Feng, WANG Guoyu. Equivalent Simulation Method for Pulse Radar ISAR Imaging in Radio Frequency Simulation[J]. Journal of Electronics & Information Technology, 2018, 40(7): 1553-1560. doi: 10.11999/JEIT170931

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Equivalent Simulation Method for Pulse Radar ISAR Imaging in Radio Frequency Simulation

doi: 10.11999/JEIT170931

LIU Xiaobin^① LIU Jin^① LIU Guangjun^② ZHAO Feng^① WANG Guoyu^①

Funds:

The National Natural Science Foundation of China (61101180, 61401491, 61490692)

Received Date: 2017-10-09
Rev Recd Date: 2018-03-21
Publish Date: 2018-07-19

Abstract

Abstract

Pulse radar signal is widely used in Inverse Synthetic Aperture Radar (ISAR) imaging. However, because the propagation distance obtained by the pulse width is larger than the size of anechoic chamber, target echo returns before the pulse signal is fully transmitted. As a result, the transmitted and reflected signals are coupled and difficult to be separated for ISAR imaging in Radio Frequency Simulation (RFS). To solve this problem, the equivalent simulation method is proposed for pulse radar ISAR imaging based on Interrupted Transmitting and Receiving (ITR). As the ITR echo is piecewise sparse in time domain, the ISAR image can be reconstructed based on Compressive Sensing (CS). Simulation and real data demonstrate that the ISAR image obtained by the proposed method is consistent with that obtained by the complete pulse radar signal. Therefore, the proposed method is effective for ISAR imaging in RFS.
- Pulse radar、Inverse Synthetic Aperture Radar (ISAR) imaging、Compressive Sensing (CS)、Interrupted Transmitting and Receiving (ITR),

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References(18)

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