使用LabVIEW实现FFT变换的范例源代码，简单易用。使用前只需要设置好波形，采样率等参数，即可看到模拟出来的fft波形。-Using LabVIEW to realize FFT transform source code, simple and easy to use.Only need to set up before use waveform, sampling rate, parameters, such as can be seen simulated FFT waveform.