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修改时间 05-17-2010 02:44 AM
有一个信号,想求包络,有一个范例,使用hilbert变换的方法,但是这种方法对有的信号效果好,而有的信号效果不好。所以请问对于附件中的信号,如何求包络呢。
附件图中显示了我的原始信号及用hilbert方法求的包络,可见初始部分有很大的误差。
注:数据文件是保存为txt格式的,可以直接读取
修改时间 06-18-2010 02:34 AM
修改时间 06-25-2010 06:29 AM
修改时间 06-27-2010 08:44 PM
修改时间 09-08-2017 03:38 AM
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