用hanning窗的插值FFT算法，适用于电力系统信号的谐波分析,Hanning window with interpolation FFT algorithm, applied to power system harmonic analysis signals

Dual-line interpolation FFT harmonic analysis kaiser windows, Join repetitive control, Nonlinear discrete system identification.

Using a large number of finite element method to solve partial differential equations, The received signal is given eye and BER simulation systems, Interpolation and fitting, solution of equations, data analysis.