关键词：雷达视频回波信号；FPGA；高速采集；AD转换 [gap=967]Key words：Radar video echo signal；FPGA；High-speed acquisition；AD conversion ...
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This thesis mainly discusses the front-end of the high-speed signal process in the system. Namely, it involves the radar echo video signal sampling.
本论文涉及的是该系统中高速信号处理的前端，即对雷达回波视频信号进行采集。
The video signal model for synthetic aperture radar(SAR) is set up, and a method to generate echo signals for SAR using AWG520 arbitrary waveform generator is presented.
建立了合成孔径雷达回波视频信号模型，提出了一种用AWG520任意波形发生器生成SAR回波视频信号的方法，并用这种方法模拟了SAR实时成像的回波视频信号。
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