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含有直流信号求包络

于 2022-08-06 发布 文件大小:1.20 kB
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当信号中有直流分量时,第一个图是直接对含有直流分量的信号进行希尔伯特变换求解包络,下面的图是先消除直流分量求出信号的包络线,再在包络线上叠加直流分量恢复原始信号的包络线。当含有较大的直流分量时可以用极大值极小值的方法计算信号的包络线。

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