ch3

改进等高线拟合代码，很有价值。(improve contour fitting code and of great value.)

Use this GUI for fitting 2-port S-parameters using the functions from RF Toolbox

k均值聚类算法Matlab代码实现,可以直接运行(k-means clustering algorithm Matlab code to achieve, can be run directly)

通信系统基础知识 Matlab应用软件的基本知识以及基本操作技能 数字调制与解调 用软件matlab完成一个典型的通信系统的仿真，其中信源，数字化方式，基带码，信道码，调制方式(Basic knowledge of the communication system The Matlab application software basic knowledge and basic skills Digital modulation and demodulation Use the software matlab completion of a typical communication system simulation, wherein the source, the digitized baseband code, channel code, modulation scheme)

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)

modulation demonstration of a sin wave

PSO (particle swarm optimization)

基于MATLAB实现磁链计算，程序调试成功，可直接使用(Flux calculation based on MATLAB implementation, debugging success can be directly used)

the mobile robo toolkit

扩频伪码捕获方法，截获搜索策略及截获判定。(Spreading pseudo-code acquisition method, the to intercept search strategy and intercepted judgment.)