work(4)

基于matlab仿真的四阶椭圆滤波器的仿真，其原理是基于切比雪夫滤波器的传递函数进行推导得来的(Matlab simulation based on fourth-order elliptic filter simulation, the principle is based on Chebyshev filter transfer function is derived come)

wilson-θ法的matlab 程序代码，计算了两个自由度的位移(wilson-θ method matlab code to calculate the displacement of the two degrees of freedom)

毕业设计时编写的MATLAB程序，实现的lCGuTi特征提取，并做在不同光照、不同视角下的特征匹配，最优guLZQyD差值计算方法，有应用matlab进行编程的源代码.m文件,以及运行需要的图象文件 (Upon graduation design written MATLAB program to achieve the lCGuTi image feature extraction, and do feature different light, different perspectives match under optimal guLZQyD difference calculation method, there are application programming source code matlab .m files and run picture file required. )

说明：  用蒙特卡洛模拟实现美式期权定价，包括资产路径生成和美式期权欧式期权定价的源代码，附带参考文献。(Using Monte Carlo simulation to realize American option pricing, including the source code of asset path generation and American option European option pricing, with reference.)

说明：  雷达信号处理书——雷达系统设计matlab仿真和雷达系统分析与设计（第三版）配套的程序(Radar signal processing book -- matlab program for radar system design matlab simulation and radar systems analysis and design using MATLAB (Third Edition))

常用的MATLAB实用程序，可以帮助你完成MATLAB的快速入门(Commonly used MATLAB utility that can help you complete the Quick Start MATLAB)

使用重构向空间捕捉非线性特征。来源于国外网站，请注明出处。(RPS Toolbox - This toolbox contains Matlab functions to capture the nonlinearities of the speech production system using reconstructed phase space (RPS) techniques.)

STD法模态参数识别，可识别频率，阻尼比和振型系数。(STD method modal parameter identification)

说明：  修正BBO晶体折射率色散公式中错误的系数 ，完成βBBO晶体Ⅱ类匹配的SPDC（共线情况）并计算相位匹配角。此时的相位匹配角为能 产生纠缠光子对的最小切割角。另附一份参考文献，详细的说明此类实验的步骤与细节。(Correct the wrong coefficient in the refractive index dispersion formula of BBO crystal, complete the type II matching SPDC of BBO crystal and calculate the phase matching angle. The phase matching angle is the minimum cutting angle that can produce entangled photon pairs. In addition, a reference is attached to explain the steps and details of such experiments in detail.)

feigenbaum第一常数，画出其分岔图。(feigenbaum first constant, draw the bifurcation diagram.)