白噪声下qpsk理论误码率与仿真误码率比较

采用m文件编写的MATLAB程序，此文件实现四杆机构的动画，其中M点实现直线运动(linear motion with matlab)

说明：  非常完善的GPS toolbox，内含中文readme以及中文翻译的介绍。 GPS TOOLBOX包含以下内容： 1、GPS相关常量和转换因子； 2、角度变换； 3、坐标系转换： 点变换； 矩阵变换； 向量变换； 4、专用测绘程序； 5、专用统计函数； 6、GPS时间工具； 7、专用GPS数据处理函数； 8、航迹和相关工具； 9、卫星位置计算； 10、高度和方位角判定，以及卫星可见性； 11、DOP（dilution of precision）计算，卫星选取和相关函数； 12、专用信号处理和Kalman滤波函数； 13、伪距和误差判定及相关函数； 14、用户位置判定及相关函数； 15、RAIM/FDE可用性和完好性评估相关函数。(Very good GPS toolbox, contains readme and the Chinese translation of the Chinese introduction. GPS TOOLBOX contains the following: 1, GPS-related constants and conversion factors 2, the point of transformation 3, coordinate system conversion: Point transformation Matrix transformation Vector transformation 4, special mapping procedures 5, special statistical functions 6, GPS time tools 7, special GPS data processing function 8, track and related tools 9, the satellite position calculation 10, determine the height and azimuth, and satellite visibility 11, DOP (dilution of precision) calculations, the satellite selection and related functions 12, special signal processing and Kalman filtering function 13, pseudo-range and error determination and related functions 14, user location determination and related functions 15, RAIM/FDE availability and integrity assessment of related functions.)

说明：  基于小波神经网络的预测算法，MATLAB下通过，效率较高。(Wavelet neural network based prediction algorithm, MATLAB adopted under, more efficient.)

传统两跳多中继协作网络，系统在过时信道状态下，采用AF放大转发协议，误码率和容量的仿真程序(Traditional two-hop multi-relay cooperative network, the system in the outdated channel state, using AF amplification Forwarding protocol, error rate and capacity of the simulation program)

数学建模书上的答案，第三版的课后习题答案，希望你们可以下载查看。-Mathematical modeling books the answer to the third edition of after-school Exercise answers, I hope you can download and view.

（一）目的：通过对常用的概率密度函数和分布函数的应用，达到熟练掌握概率密度函数和分布函数调用方法的目的。 （二）任务：对实际的案例进行分析，调用相应概率密度函数和分布函数，使用MATLAB软件计算其结果。 （三）要求：理解概率密度函数和分布函数，能够解决实际问题。 ((A) Purpose: used by the probability density function and distribution function of the application, to master the probability density function and distribution methods of the purpose of function call. (B) tasks: the actual analysis of the case, call the corresponding probability density function and distribution function, the use of MATLAB software to calculate their results. (C) requirements: understanding of the probability density function and distribution function, to solve practical problems.)

雷达工作原理及相应的MATLAB仿真。。。。。。。。。。。。。。。。(about the framework of radar，and some codes)

VC Support Vector Classification Usage: [nsv alpha bias] = svc(X,Y,ker,C) Parameters: X - Training inputs Y - Training targets ker - kernel function C - upper bound (non-separable case) nsv - number of support vectors alpha - Lagrange Multipliers b0 - bias term

Firefly metaheuristic algorithm to general optimization problems

使用matlab编写的生日祝福小程序，初级程序猿(Use matlab small programs written birthday wishes)