qpsk-oqpskK(matlab)

丹麦技术大学的J爀最攀渀 Arendt Jensen教授开发的医学超声成像Field Ⅱ仿真安装程序(The Technical University of Denmark, developed by Prof. Jrgen Arendt Jensen Field Ⅱ medical ultrasound imaging simulation setup)

此函数专为求解球贝塞尔函数 利用柱贝塞尔函数与球贝塞尔函数之间的关系得到 十分实用 (This function is designed to solve the spherical Bessel functions to take advantage of the relationship between the column Bessel functions and spherical Bessel functions very useful)

这是一个非常好的mpsk仿真程序。其中包括BPSk，QPSK，8PSK,16PSK的BER和EB/N0曲线，SER和ES/N0曲线。(This is a very good MPSK simulation program. Including BPSk, QPSK, 8PSK, 16PSK the BER and EB/N0 curve, SER and ES/N0 curve.)

code for solving 2D FEM heat problem with quadrilateral s meshing

tf-idf用于文档聚类，权重计算，用MATLAB实现的，自己编写非常好用！(tf-idf for Document Clustering, weight calculation, use MATLAB to achieve, I have written is very easy to use!)

现代谱估计的程序，对给定的随机信号利用yule-walker方程进行谱估计与其理想功率谱进行谱估计的对比，并比较参数。(Modern spectral estimation procedures, given the use of yule-walker random signal spectrum estimation equation from its ideal power spectrum spectrum estimation contrast and compare the parameters.)

chirp信号生成，以及匹配滤波实现，卷积实现(chirp signal generation and matched filtering to achieve)

二阶相位调制matlab精确仿真 二阶相位调制matlab精确仿真 (二阶相位调制matlab精确仿真 )

遗传算法优化PID，解决传统的PID参数采用试凑的方式的问题，从而进行自整定参数( Genetic Algorithm PID，Solve using traditional PID parameters of trial and error approach problems in order to be self-tuning parameters)

说明：  用最优化方法中的狗腿法求解信赖域子问题的算法编程实现(Algorithm realization of solving trust region subproblem with dogleg method)