在解释雷达的最大检测距离时,提到if信号的频率由adc的采样率Fs限制,图中给出了最大的if信号频率,并给出adc采样频率需要大于这个最大的信号频率,但是按照奈奎斯特采样定理,要能够复原信号,不是应该使得采样频率大于等于2倍的最大信号频率吗?
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
请看数据手册第30页上的表格8.7 RF Specification,最大采样率是25MHz,大于IF 10MHz的两倍。
https://www.ti.com/lit/ds/symlink/iwr6843.pdf