85问答库 > 低频信号为什么比高频信号容易放大?

低频信号为什么比高频信号容易放大?

2025-03-15 07:30:30
推荐回答（1个）
回答1：

低频电磁波在空中传输衰减迅速，低频信号不易通过空中发射。相反，高频信号容易通过空中发射。
高频信号不混合低频信号可以发射，
低频信号不加载到高频信号中，难以单独发射。

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