...s)：： c f f B 如果带通信号的频谱带宽B f 比载波频率f c 小很多，满足条件： 2011-5-16 45 复包络 复包络（Complex envelope）：： ) ( ) ( ) ( ~ ) ( 2 2 t s t s t a t a Q I 复包络 复包络 ) ( ~ t a 的模模，， 是窄带带通信号s(t)的包络或振幅调制分量...
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... 复数微分定理 complex differentiation theorem 复包线 complex envelope 复频率 complex frequency ...
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And finally, the Auto Correlation of complex envelope signals are deduced.
最后，推出了信号的复包络自相关函数。
Zoom complex envelope is formed by zoom technique applied to complex envelope in order to increase the frequency resolution.
细化复包络谱是将细化技术应用到复包络谱上，可以提高频率分辨力。
Quadrature coherent detection can reserve all information of the complex envelope of signals, and it is therefore widely used in signal processing.
正交相干检波可以将复包络的所有信息进行保留，所以在数字信号处理中得到广泛应用。
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