Improved_GAaBP_algorithm

介绍了HRWS SAR成像和系统设计的一些技术环节，作为学习成像技术，这里面讲的很详细。(Introduced HRWS SAR imaging and some of the technical aspects of system design, imaging technology for learning, there is talk in great detail.)

this matlab code calculate the input impedance and current distribution of microstrip patch antenna with coax excitation in different place.

rgb颜色模板的肤色提取方法，对于人脸定位有着一定的帮助(rgb color color template extraction method for face detection with some help)

读取RINEX星历文件，观测文件，存储为数组形式，matlab环境下(Read RINEX ephemeris file, observation file)

第一部分是关于wigner-ville程序的三个源函数（wigner分布、伪wigner分布、平滑伪wigner分布）；第二部分是关于差分的一阶、二阶导数的子函数、源函数及表达仿真实例，这两部分都是matlab环境下源程序。(The first part is a function of three sources wigner-ville program (wigner distribution, pseudo wigner distribution, smoothed pseudo wigner distribution) the second part is about the first difference, the second derivative of the subroutine, the source function and expression simulation examples These two parts are the source matlab environment.)

主要讲解一些关于matlab的指令 方便大家在使用的时候查找(Explain some of the main directives regarding matlab convenient time for everyone in the use of search)

利用KNN最近邻算法，对心音信号进行分割并判断，给出第一心音、第二心音和收缩期、舒张期。(Use KNN nearest neighbor algorithm, the heart sound signal is divided and judgment is given first, second heart sound and systolic, diastolic.)

利用PSO算法求解分布式电源的选址定容问题，并考虑了分布式电源的随机性(Randomness of the PSO algorithm DG locating and sizing issues and considered the DG)

说明：  基于matlab和小波的图像压缩实践文档，每一步操作都有完整代码和必要说明，并有运行效果图，便于初学者快速学习小波图像压缩(Matlab and wavelet based image compression practice document, every step of the operation code and the necessary instructions are complete and have run effect picture, easy for beginners to learn fast wavelet image compression)

解线性方程组的直接法，我搜集的matlab程序，希望对同学有用，希望大家学习！(Solving linear equations, direct method, I collected the matlab program, the students hope to be useful, I hope you learn!)