当我们说“频率变换”或者说“代表频率”是我们通常所说的傅里叶变换，如离散傅里叶变换dft实现，或。

When we say "frequency transform" or talk about "representing frequency" we are usually talking about the Fourier transform, implemented as the DFT, or discrete Fourier transform.

youdao

当我们说“频率变换”或者说“代表频率”是我们通常所说的傅里叶变换，如离散傅里叶变换dft实现，或。

When we say "frequency transform" or talk about "representing frequency" we are usually talking about the Fourier transform, implemented as the DFT, or discrete Fourier transform.

youdao