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Calculate convolution using DFT, FT and IFFT
I'm converting the cosine transform into an integral in convolution form, because :(1) using logarithmic coordinate sampling is ...
4 years ago | 0 answers | 0
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利用FT和DFT计算卷积
我在将cos变换转成卷积形式的积分，因为：（1）采用对数坐标采样适合我后续的工作；（2）转换后余弦项的傅里叶变换有解析表达式。 但在一些区间上，计算结果和matlab命令conv的计算结果不太一致。求大佬帮我指点指点。 结果对比
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