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尊敬的工程师您好，我想请问一下，我是用IWR1843BOOST和DAC1000数据采集板进行数据采集时，我们可以得到采样后的中频信号。但我们需要回波信号，而不是混品信号，请问一下可以实现吗。
混频是必须的，不能跳过。
