This FFT one dimensional transform in java language as a encrypted class.-This is FFT one dimensional transform in java language as a encrypted class.

实现傅立叶变换，信号处理，故障诊断技术及应用(Fu Liye transform, signal processing and fault diagnosis are realized)

实现信号的FFT变换并进行相应操作后输出对应信号(Realizing FFT transform of signal)