aloha

this is a mass-spring system that show the animation of mass on vertical spring by changing the initial values

Dolphy-chebychev 加权波束形成方法及波束方向图。有较详细的说明。(Dolphy-chebychev weighting beamforming and the beampartern. The note for code is good.)

感应双馈发电机系统的仿真，DC-DC部分采用定功率单环控制，毕业设计有用。( Simulation of doubly fed induction generator system, DC-DC power single-part set-loop control, Graduation usefu.)

说明：  由差分方程得到信号的冲激响应，得到连续信号的幅频相频响应(Impulse response of signal from difference equation)

rls adaptive filter design using matlab software

matlab代码，从多个中选择最大的和最小的，不经过排序，可以直接选择。(matlab code, choose from more than biggest and smallest, without sorting, you can directly choose.)

Fast Fourier transform matlab code foile

16-QAM modulator and demodulator

功能是从高维数据降低到低维数据，特征选择的过程(The source code for the feature selection to reduce the high-dimensional data low-dimensional data)

principal_helmholtz a script for the implementation of EF P1 Lagrange for the Helmholtz equation with the following boundary conditions of Neumann or Fourier-type: