matlabyichuansuanfa

这是ofdm的MATLAB仿真源程序，很好用(This is the MATLAB simulation ofdm source, useful)

说明：  用精确线搜索的共轭梯度法，求问题的极小点(Using the conjugate gradient method of exact line search to find the minimum point of the problem)

这是三相异步电机的变频调速仿真模型，通过变频实现电机的调速控制(This is three-phase asynchronous motor VVVF simulation model, through variable frequency motor speed control implementation)

基于最优的walsh序列的扩频系统仿真，可以参考最有系统的过程。(ds system using walsh sequence)

MERCHEL教授研究声场合成时使用的源码，非常有参考价值，和大家共享一下(Professor MERCHEL occasion to study the use of sound source, a very valuable reference, and share what)

说明：  实现了异步电机的两相旋转坐标系下的转速控制，且能矢量控制(Realize the asynchronous motor two-axis rotating coordinate model speed and vector control )

利用matlab gui 编写了一个m文件 学生成绩查询系统 可直接点击搜索excel和txt文件(Matlab gui to write an m file student achievement query system can directly click on the search excel and txt file)

空间谱估计理论计算法之ESPRIT-DOA，使用了LS—DOA 与TLS-DOA，并对几种常见的DOA方法进行了总结(Spatial spectrum estimation theory calculations of the ESPRIT-DOA, use the LS-DOA and TLS-DOA, DOA and several common methods are summarized)

低通滤波器设计 绘制各种响应曲线 绘制输入信号曲线 绘制滤波后效果曲线(LPF DESIGN ALL CURVES INPUT SIGNAL OUTPUT SIGNAL)

dwt数字图像水印源代码，小波变换数字水印(dwt source digital image watermarking)