xiujuan507 发表于 2016-11-29 17:10

为什么FFT之后的图形不光滑呢?

第一张是FFT之后的图形,为什么做出来的图形不光滑呢?想做出类似第二张图的效果?问题在哪里呢?我做FFT的时候没有加窗,会是这个原因吗
data:image/png;base64,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查看完整版本: 为什么FFT之后的图形不光滑呢?