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Analysis of the Robustness of Bistatic Inverse Synthetic Aperture Radar in the Presence of Phase Synchronisation Errors

机译:存在相位同步误差的双基地逆合成孔径雷达的鲁棒性分析

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摘要

Bistatic inverse synthetic aperture radar (B-ISAR) has the potential to become the radar imaging tool for obtaining noncooperative target images in arbitrary bistatic configurations. A monostatic ISAR processor is used here to form B-ISAR images and its robustness is tested with respect to phase synchronisation errors and rapidly time-varying bistatic configurations. Specifically, the B-ISAR point spread function (PSF) is analytically derived and the problem of B-ISAR image autofocusing is reformulated in such conditions. It is shown that, in most bistatic scenarios, the range-Doppler (RD) based monostatic ISAR processor is able to form focussed B-ISAR images. Simulation results are used to support the theoretical results.
机译:双基地逆合成孔径雷达(B-ISAR)有潜力成为雷达成像工具,以获取任意双基地配置下的非合作目标图像。这里使用单静态ISAR处理器形成B-ISAR图像,并针对相位同步误差和快速时变双静态配置测试了其稳健性。具体而言,通过分析得出B-ISAR点扩展函数(PSF),并在这种条件下重新构造了B-ISAR图像自动聚焦的问题。结果表明,在大多数双基地方案中,基于距离多普勒(RD)的单基地ISAR处理器能够形成聚焦的B-ISAR图像。仿真结果用于支持理论结果。

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