请教一下,为什么噪声功率在低采样率和过采样率的情况下是相同的呢?
假设是相同的,我觉得低采样率采到的频率成分少,噪声的能量不应该是更少么,这点应该如何理解呢?
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不是开关噪声,关于这部分都讲到过采样能使各频段的噪声功率降低,是因为扩频了,我的理解,各频段的噪声不应该是一样的吗?过采样采到的噪声更多。