傅立叶变换是信号处理时最常用的算法之一，实现时域与频域之间的转换，对人们研究各种信号非常有用，本程序利用VC实现快速傅立叶变换算法-Fourier transform signal processing is the most commonly used algorithm, achieving time-domain and frequency domain between the conversion of the people look very useful signal, the procedure used VC Fast Fourier Transform algorithm