应用小区域方差对比，程序简单，FIR 底通和带通滤波器和IIR 底通和带通滤波器，本程序的性能已经达到较高水平，基于kaiser窗的双谱线插值FFT谐波分析，迭代自组织数据分析。- Application of small area variance comparison, simple procedures, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, The performance of the program has reached a high level, Dual-line interpolation FFT harmonic analysis kaiser windows, Iterative self-organizing data analysis.