smooth

channel coding, linear block coding

ofdm信道估计的MSE性能比较,阐述了几种经典算法仿真性能的对比(MSE compare of OFDM estimation)

这是图像融合中空间转换的MATLAB代码(This is the image fusion space conversion of MATLAB code)

QGA_fxy是用量子遗传算法（quantum genetic algorithm）解决二元函数寻优的问题。文件打开后运行QGA_fxy.m文件即可得到结果，代码中有详细注释，方便修改。运行示例已经保存为图片附在压缩包中。(QGA_fxy binary function is to solve optimization problems using quantum genetic algorithm (quantum genetic algorithm). Run QGA_fxy.m file to get the file to open the result, the code has detailed notes, easy to modify. Run the sample has been saved as a picture attached to the compressed package.)

首先介绍了辐射状配电网三相潮流计算方法，对几种常用的配电网潮流计算方法进行了对比分析，着重介绍了配电网潮流计算中常用的前推回代法的基本原理，并利用Matlab仿真软件编写了相应的潮流计算程序，通过33母线系统对计算程序进行了仿真验证。然后介绍了含弱环网的配电网潮流计算的处理方法，编写了相应的仿真计算程序，并通过算例仿真予以验证。接着介绍了分布式电源并网的几种接口模型以及分布式电源在潮流计算中的数学模型，分析了在潮流计算过程中PQ、PV、PI节点的处理方法，特别是对PV节点的处理方法进行了详细的介绍。最后针对不同分布式电源并网的状况分为四种方案进行了仿真测试，验证了本文所编写的潮流计算方法在处理计及分布式电源的配电网三相潮流的正确性。(First introduced the radial distribution network three phase power flow calculation method for several common distribution power flow calculation methods were compared, highlighting distribution power flow calculation of the basic principles of common forward and backward substitution method, and the use of Matlab simulation software written in the corresponding flow calculation program, through the system bus 33 to a simulation calculation program. Then introduces the method of treating a distribution power flow calculation weak ring, write the corresponding simulation program and simulation to be verified by an example. Then interface model introduces several distributed power grid and distributed power flow calculation in mathematical models, analyzes the trends in the calculation process PQ, PV, PI node processing method, especially for PV node approach a detailed description. Finally different distributed power grid situation is divided into four scenarios simulation test to verif)

说明：  分别用工具箱里的库函数和自己编写的利用噪声子空间法算法作MUSIC估计(Toolbox respectively in the preparation of library functions and their use of the noise subspace for the MUSIC algorithm estimates)

实现MUSIC算法的MATLAB仿真,实现波达方向的估计(MUSIC algorithm to achieve the MATLAB simulation, the realization of the estimated DOA)

加速度感应器的实现，重力加速度感应，感应器的DEmo(Implementation of the acceleration sensor, gravity sensor, the sensor DEmo)

该程序利用Matlab编写，并带有GUI截面。实现了任意格式图像压缩的功能。并且可以对比显示压缩前后图像，显示压缩比例和压缩时间。(The program prepared by the use of Matlab, and with a GUI cross-section. Image compression format to achieve an arbitrary function. Compared before and after the show and can compress the image, showing compression ratio and compression time.)

说明：  matlab软件的使用的基础知识4，关于函数与方程（包括多项式、函数零点、函数极值，最小二乘你和）(matlab software using the basic knowledge of 4, on the function and equations (including polynomials, function zero, extremal functions, least squares and you))