PN_reasearch

计算sigma-delta调制器输出码流的信噪比。(calculate the ratio of signal to noise of sigma-delta modulator.)

simulation HVDCCigre in matlab simulink

粒子群算法的优化方法，很实用，还有相关文档。(Particle swarm optimization method, it is practical, as well as related documentation. )

matlab在数学建模中的应用的源代码 包括数学建模中常用算法 简短有效(Mathematical modeling in matlab source code for the application of commonly used mathematical modeling algorithms, including a brief and effective)

说明：  有限差分法，解决偏微分方程的其中的一种解法(Finite difference method to solve partial differential equations in which a solution)

希尔伯特黄变换，提供了EMD分解，希尔伯特包络提取，希尔伯特边际谱绘制(including EMD and envlop extraction using Hilbert and marginal spectrum)

数学建模的基础知识和简介，简单易懂，清晰明了，比较简单(A brief introduction about the basic knowledge of mathematical modeling and, simple, clear and simple)

fir filter using windowing.!!

Matlab中几个经典的编程例子，很适合初学者(Matlab, the programming of several classic examples, it is suitable for beginners)

how to perform 3D plotting with matlab