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如何采样TMS320C6747库函数来实现傅里叶反变换

lili ye
Expert 1760 points
Other Parts Discussed in Thread: TMS320C6747

如何采样TMS320C6747库函数来实现傅里叶反变换，

按照官方给的例程

gen_w_r2(w, N);
bit_rev(w, N >> 1);
cfftr2_dit(x_asm, w, N);
DSPF_sp_icfftr2_dif(x_asm, w, N);

这样，结果不对啊，请各位专家帮忙给指点一下迷津