题目内容（请给出正确答案）

[主观题]

If B and Bc used to denote the bandwidth of the signal and the channel coherence bandwidth

, respectively, the correct statement is that a. if B＞Bc, then the fast fading occurs. b. if B＜ Bc. then the fast fading occurs. c. if B＞Bc. then the flat fading occurs.. d. if B＜bc, then the flat fading＞ A、错。信号带宽和信道相干带宽的比较用于区分频率选择性衰落和平坦衰落

B、错。信号带宽和信道相干带宽的比较用于区分频率选择性衰落和平坦衰落

C、错。

D、对

提问人：网友rose003924 发布时间：2022-01-07

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