code

离散傅立叶变换用于分析吸毒病人和正常人的频谱。(Discrete Fourier Transform for the analysis of drug abuse patients and normal spectrum.)

最优波束形成算法（标准矩形阵列的波束方向图的幅度、切面极坐标、切面图、幅度等高线图等）(Optimal beamforming algorithm (standard rectangular array beam pattern amplitude, the section in polar coordinates, the section map, magnitude contour map, etc.))

说明：  This matlab codes is about dg & capacitor placement in power system using matpower. it is very useful...

a simple code for plot some kinds of geophysical data (such shot, CMP,... gathers).

梯度下降（可视化,两个例子），对于初学者来说有用。(Gradient Descent（visualization，two examples）)

这是一个用matlab编写的计算定位CRLB的程序。(This is a matlab prepared by the positioning calculation CRLB program.)

作为第四版的升级，此程序用于计算和绘制均匀线阵源的方向图(This program is an updated and combined version of the programs ANTGAIN ARRAYPATGAIN in the 4th edition of Kraus s Electromagnetics. This program computes and plots the field pattern of a uniform linear array of sources. )

利用最小二乘算法实现对三维平面的拟合，计算多重分形非趋势波动分析matlab程序,最小均方误差等算法的MSE的计算。( Least-squares algorithm to fit a three-dimensional plane, Calculation multifractal detrended fluctuation analysis matlab program, Minimum mean square error MSE calculation algorithm.)

基于MATLAB的声音过滤器，可手动对各频段的声音进行过滤选择。(MATLAB-based audio filter that can be manually voices of each band filter options.)

这是用matlab实现无约束优化线性规划\非线性规划等规划问题的基本实现例子(This is achieved using Matlab unconstrained optimization linear programming planning nonlinear programming problem is the basic Examples are)