chap2

说明：  带有收缩因子和惯性权重的基本PSO粒子群算法源代码。本源代码模块化编写，结构清晰，便于改进和做数值实验(With contraction factor and inertia weight PSO basic particle swarm algorithm source code. Source code modular preparation, structure, clear, easy to improve and to do numerical experiments)

带有现象对象界面的matlab的滤波器设计，能对信号进行各种滤波(Object interface matlab with the phenomenon of the filter design, can signal a variety of filtering)

面阵中二维角度估计 UNITARY -ESPRIT算法MATLAB程序(Two-dimensional planar array angle estimation UNITARY-ESPRIT algorithm based on MATLAB program)

心电图分析中HRV的各种计算方法，适用于心电图研究。(various calculation methods of HRV for Electrocardiogram (ecg)analysis which are applicable in the study of ecg.)

一杯沸水冷却，圆柱体模型，底面半径0.05m，高0.1m，周围温度20度，初始水温100度 方程是四维输运方程（常数a^2=k/(c*p)，k是热传导系数0.6006焦/（米*秒*度）） 初始条件：t=0时水等于100度 边界条件：1.上下壁都是自由冷却，第三类边界条件，周围温度保持在20度（H=k/h,h取1） 2.杯壁绝热，第二类边界条件 图形显示格式,取过圆柱轴的截面温度变化将其做成动画. (A cup of boiling water for cooling, the cylinder model, the bottom radius of 0.05m, the high-0.1m, an ambient temperature of 20 degrees, the initial water temperature of 100 degrees is four-dimensional transport equation equation (constant a ^ 2 = k/(c* p), k is the thermal conductivity coefficient of 0.6006 J/(m* s* degrees)) initial conditions: t = 0 when the water equivalent to 100 degrees boundary conditions: 1. up and down the wall are free cooling, the third boundary condition, the ambient temperature maintained at 20 degrees (H = k/h, h check one) 2.杯壁insulation, the second boundary condition graphical display format, check-off section of cylindrical shaft temperature change to make animation.)

自己编写的模拟退火的MATLAB程序，快捷高效。(I have written simulated annealing MATLAB program, fast and efficient)

matlab的程序包，可以用来计算复杂网络的各种参数(This matlab program package can calculate parameters of the network)

基于光子晶体的matlab的源程序，分享的，希望对大家有一定的帮助(Based on photonic crystals matlab source, sharing, and we hope to have some help)

对正弦信号进行傅里叶变换，并对比不同的信号长度与采样频率对结果的影响(Fourier transform of the sinusoidal signal and contrast the different length of the signal with the sampling frequency results)

ac drive simulation using simulink