pps_gen_parport

this code is a generalized form of newton raphson method for finding the power flow in an interconnected system. it is by default designed for 3 bus system bus system it can also be changed for other type of system.

GSM simulation program

用matalb实现QuartusII中的初始化文件（.mif或是.hex)文件，涉及到matlab中文件的读写步骤。(Realize the initial files(.mif or .hex) using matlab,and it involves writing and reading in matlab. )

使用matlab做数据分析，里面有ppt和例程。(Analyze data by using MATLAB, which has PPT and routines.)

matlab编程，关于相位同步的实现范例。(matlab programming examples on phase synchronization.)

三相光伏逆变并网的仿真，车牌识别定位程序的部分功能，实现六自由度运动学逆解算法。( Three-phase photovoltaic inverter and network simulation, Part of the license plate recognition locator feature, Six degrees of freedom to achieve inverse kinematics algorithm.)

这是一个基本的PCA方法实现人脸图像压缩与重建，可以非常快捷的将一些无法辨别的人脸图像进行快速的拼接。(This is a basic PCA method to achieve image compression and reconstruction of the face, can be very quick to identify the human face that can not be quickly spliced images.)

说明：  matlab环境下粒子滤波器demo，解压后可直接运行(particle filter matlab environment demo, after decompression can be directly run)

说明：  SVM神经网络中的参数优化---如何更好的提升分类器的 性能(a important and popular classifier)

to find the negative of image.