Questions tagged «quadrature»

1
复杂的信封到底是什么?
我看过一些书中提到过几次,所以我想确定一下。复数包络是不是信号的实部和正交分量的总和,而绝对值就是(实部)包络?我已经阅读了这个维基页面,但是不确定我是否完全理解。复数包络是否仅仅是通带信号的实部和虚部相结合?谢谢。
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