greedyAlg

Approximation of functions matlab

搭建了光伏并网模型，对电流控制环节进行研究，模拟了实际并网的情况，实现了并网要求。(The photovoltaic grid connected model is built, the current control link is studied, the actual grid connected situation is simulated, and the grid connected requirements are achieved.)

程序100例各种常用例子 有助于初学者学习(Examples of 100 cases of various common procedures will help beginners to learn)

这是用SIMULINK的S-FUNCTION方式编写的系统仿真代码，系统是基于4G网络的核心技术空时分组编码的MIMO-OFDM通信系统的，涉及到空间分集、时间分集和频率分集的有机结合，包括QPSK调制解调、IFFT调制、控制编解码、基于训练符号的信道估计等通信模块。包括main_STBC_MIMO_OFDM和training_symbol两个M文件和一个DOC文件，对各部分的都有详细的代码和注释。(It is used SIMULINK the S-FUNCTION approach to the preparation of the system simulation code, the system is based on the 4G network s core technology space-time block coded MIMO-OFDM communication system, involving spatial diversity, time diversity and frequency diversity of the organic combination, including QPSK modulation and demodulation, IFFT modulation, control of encoding and decoding, symbol-based channel estimation training and other communication module. Including main_STBC_MIMO_OFDM and training_symbol two M file and a DOC file, have detailed the various parts of the code and comments. )

显示原图，matlab.良好的操作性良好的操作性(Show the image, matlab. Good good interoperability interoperability)

说明：  文档中包含多个卡尔曼程序，利用卡尔曼实现最佳预测.(The file include many programs which are Kalman written by matlab.It can using for prediction.)

一个用于比较图像频域滤波和空间滤波效果的程序(A frequency domain filtering and spatial filtering effect of the procedure used to compare images)

运用最小二乘法进行风电功率拟合，再使用它进行预测，含数据和实际案例(Using the least squares method to fit wind power, and then use it to predict, including data and actual cases)

运用谱减法，对语音信号进行去噪处理并比较处理前后的信噪比(Using spectral subtraction to denoise the speech signal and compare the signal to noise ratio before and after processing)

说明：  利用软件工具MATLAB在模式识别中的一个应用，即实现分类器的编程(Using pattern recognition software tool MATLAB in an application, ie, the programming to achieve classification)