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fft源代码,#include "f2407_c.h" #include "math.h" #define N 32 // FFT变换的点数 extern void fft(void); extern void resave(void); interrupt void phantom(void); void sysinit(void); extern int input[2*N]; -fft source code,# include f2407_c.h# include math.h# define N 32// FFT transform points extern void fft (void) extern void resave (void) interrupt void phantom (void) void sysinit (void) extern int input [2* N]
Date : 2026-01-03 Size : 5kb User :

汇编写的256点FFT,余弦表是512点的,因此修改N值可以作2-1024点的FFT,在CCS上运行,带有CMD文件-Written in assembler 256 points FFT, cosine table is 512 points, so you can modify the value of N for 2-1024 Point FFT, run in the CCS, with a CMD file
Date : 2026-01-03 Size : 53kb User : 张艳林
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