chap3_1

说明：  小世界网络路径求法，以及聚集度的求法，开发环境是matlab(small world)

利用matlab模拟菲涅尔全息何用傅里叶变换实现单射光衍射(The use of the matlab simulation Fresnel holographic What Fourier transform single shot-ray diffraction)

空间平滑算法估计相干信号DOA，还有基于此的改进算法，大家可尝试(DOA estimation)

this is about matlab code for modeling solid

利用改进的遗传算法求取函数的最大值，进行优化设计，在MATLAB下可以运行使用。(Using improved genetic algorithm to strike a function of the maximum optimized design, the use of MATLAB can be run under.)

缴费点选址最优化模型代码，超强推荐，数学建模经典例子(Payment Point location optimization model code, super recommended classic example of mathematical modeling)

基于加权主成分分析（PCA）的人体检测算法，matlab程序(weighted PCA for pedestrian detection)

说明：  本文件为深圳杯数学建模大赛D组题目的全部相关程序，没有题目 只有解答过程和程序~已经把数学问题精炼出来了(This document is all related procedures for group D questions of shenzhen cup mathematical modeling contest. There are no questions, only the solving process and procedures. The mathematical problems have been refined.)

语音信号处理matlab工具箱源码，对于语音信号处理有很好的参考价值。(Speech Signal Processing Toolbox Matlab source for voice signal processing of value.)

计算圆阵方向图，可任意设置阵元个数和信号频率；并汇出三维图、二维方向图以及等高线图(Calculating circular array pattern can be arbitrarily set the number of array elements and signal frequency and export three-dimensional map, two-dimensional pattern and contour plots)