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.

DSPLIB中的FFT运算函数



DSPF_dp_fftDPXDP
  DSPF_dp_ifftDPXDP
  DSPF_sp_bitrev_cplx
  DSPF_sp_fftSPXSP
  DSPF_sp_ifftSPXSP
  DSP_fft16x16
  DSP_fft16x16r
  DSP_fft16x16_imre
  DSP_fft16x32
  DSP_fft32x32
  DSP_fft32x32s
  DSP_ifft16x16
  DSP_ifft16x16_imre
  DSP_ifft16x32
  DSP_ifft32x32

各位专家好,请问下fft计算库函数中,这些什么区别,尤其是

   sp和dp代表什么意思呢?谢谢