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快速傅里叶分析,可移植性强

于 2022-01-22 发布 文件大小:28.29 kB
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代码说明:

此通用的快速傅里叶变换C语言函数,移植性强,不依赖硬件。此程序采用联合体的形式表示一个复数,输入为自然顺序的复数(输入实数是可令复数虚部为0),输出为经过FFT变换的自然顺序的 复数 使用说明:使用此函数只需更改宏定义FFT_N的值即可实现点数的改变,FFT_N的应该为2的N次方,不满足此条件时应在后面补0

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