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IWR1843BOOST: IWR1843Boost 的4个Rx的接收信号问题

Part Number: IWR1843BOOST


想请教一下技术专家,我在用IWR 1843Boost  对着一个物体使用1个Tx发送信号 ,4个Rx接收信号,四个Rx之间的距离并不是很远(就几个波长),理论上四个接收天线的幅值应该差不多才对。

但实际上我做fft后看到的峰值在4个Rx上会差很多呢?如下图(重复做了100次数据采集)