NMLP

使用Matlab来实现旅行商问题的一些代码，希望对用Matlab学习优化问题的人有些帮助(tere is some code about TSP problem which is written by matlab,i hope it is helpful to some people who is learning matlab.)

这是信号分析课程中的作业，本程序产生QPSK信号(This is a signal analysis course in the operation, the procedures QPSK signal)

对离散序列计算其相关函数，使用基于z变换的离散自相关函数计算(z transformed correlation function calculation.)

利用粒子滤波器完成故障诊断，特别是不完备的情况中故障诊断。(particle filters for the fault diagnosis, especially incomplete fault diagnosis.)

根据过渡带宽及阻带衰减要求，选择窗函数的类型并估计窗口长度N（或阶数M=N-1），窗函数类型可根据最小阻带衰减As独立选择 (According to the transition bandwidth and stopband attenuation requirements, select the type of window function and estimate the window length N (or the order of M = N-1), type of window function according to the minimum stop-band attenuation can be independently selected As)

matlab的命令文档，可以很方便地查询matlab的命令，帮助我们编写程序(Matlab ordered document can be easily inquires the matlab orders, help us write a program)

该程序包包含五个代码，均用matlab编写，内容分别是混沌动力系统中，logistics函数随参数a变化周期收敛图像；以及seidel，jacobi两种迭代法求解线性方程组；以及常微分方程求解乒乓球运动轨迹；以及用newton向后插值法估计lnx函数值的源文件。 (This package contains five codes are written in matlab, the contents are chaotic dynamical systems, logistics function with parameters a change cycle convergence image and seidel, jacobi two iterative method for solving linear equations and ordinary differential equations Pong ball trajectory and an interpolation method to estimate with newton backward lnx function value source files. )

数字滤波器设计程序，对各种滤波器设计，参数，原理进行了纤细说明(Digital filter design program, a variety of filter design parameters were slim that the principle)

基于MATLAB的心音信号的特征提取研究与实现(Research and Implementation characteristics extracted heart sound signal based on MATLAB)

小波分析语音信号并计算各IMF包络的能量熵(Wavelet analysis of vibration signals and calculate the energy entropy IMF envelope)