This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TMS320C6678: DSPF_sp_fftSPxSP_cn() fft 函数参数意义说明

Part Number: TMS320C6678


hi,大家好,我有个关于DSPF_sp_fftSPxSP_cn()函数求fft变换的问题,在文档里面有

void DSPF_sp_fftSPxSP_cn (int N, float *ptr_x, float *ptr_w, float *ptr_y,
    unsigned char *brev, int n_min, int offset, int n_max);
这些参数,假如我需要调用这个函数,怎么赋值给这些参数呢?能否讲解下这些参数的具体意义,
另外我看了matlab里面求fft变换的函数,只有一个fft(input_a), 其中input_a 是一个一维的数组,这里的这些参数怎么对应起来呢?