In the fourth chapter, the model of the SAR echoed signal with stepped frequency signal is presented.
第四章给出了基于频率步进信号的SAR回波信号模型。
It obtains its high resolution in range by transmitting LFM signal and that in aspect by utilizing the Doppler information among the pulsed echoed signal.
它通过发射线性调频(lfm)的脉冲压缩信号实现距离上的高分辨率，利用脉冲之间的多普勒信息获得方位上的高分辨率。
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