pid

本代码是基于MIMO-OFDM系统下做的信道估计技术的研究。MIMO,OFDM是4G的核心技术，两者相结合的估计算法也是现在研究的热点。本代码包括几种核心的估计算法并可直接仿真出结果。(The code is based on MIMO-OFDM system channel estimation to do research. MIMO, OFDM is the core of 4G technology, a combination of both the estimation algorithm is now a hot research. The code includes several core estimation algorithm and simulation results directly.)

Complex Power Flow, param,pfs_gsm, symetrical component with graph ,Symmetrical Fault Analysis ,Ybus and Zbus

3 MATLAB functions for simulation of OFDM signal in Rayleigh fading channel. Including models for OFDM frame generating, cyclic prefix, pramble, as well as model for Rayleigh channel, QAM modulation function and a example of test process.

说明：  学习使用matlab电力系统工具箱并进行仿真(Learn to use matlab power system simulation toolbox and)

algorithm for near and far fields

用于无限冲激响应的数字滤波器设计，此处所用的是双线性冲激响应法以及脉冲响应法设计的一段Matlab程序。(For an infinite impulse response digital filter design, where the impulse response using a bilinear method and the impulse response method designed a Matlab program.)

matlab 读取气象上的grib资料，包括插件和作为例子的程序(matlab read the grib weather information, including plug-ins and the program as an example)

分别设计理想低通滤波器、巴特沃思滤波器、指数滤波器、梯形低通滤波器,并对含高斯噪声的图像进行低通滤波，截止频率自选，观察不同的截止频率,不同的滤波器的滤波效果。(Were designed for the ideal low pass filter, Butterworth filter, exponential filter, ladder low-pass filter, and Gaussian noise images with low-pass filter cutoff frequency chosen to observe the different cut-off frequency, different filter filtering device.)

自己建的PMSM矢量控制仿真模型，该模型完全基于simulink基础库创建，没有用到powersystem模型库。(Vector control of PMSM to build their own simulation model, the model based entirely on the simulink based library to create, not used powersystem model library.)

层次分析 w0为准则层权重，w1为方案层权重， ts为总权重(Analytic Hierarchy guidelines layer weights, w1 program layer weights, ts total weights w0)