In order to analyze imaging problems in spaceborne bistatic SAR system, it is important to establish a relevant radar echo model.

为了研究星载双基地SAR系统成像的相关问题，必须先建立其回波信号模型。

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The inverse synthetic aperture radar (ISAR) echo signal model of fast-moving target and the effect of target fast-moving on ISAR signal processing were analyzed.

分析了高速运动目标的逆合成孔径雷达（ISAR）回波信号模型和目标高速运动对ISAR信号处理的影响。

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And then it introduces synthetic aperture radar system model, the original echo of the simulation methods and R-D imaging algorithm.

然后建立了合成孔径雷达的系统模型，介绍了原始回波的模拟方法和R - D成像算法。

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