digital-filter-

说明：  《MATLAB编程实例》介绍了MatLab开发的一些实例代码，希望对从事图形图像处理的开发者有用！(&quot MATLAB Programming Example&quot introduces some examples of MatLab code developed by the hope of engaging in graphic image processing useful for developers!)

改程序能够实现加窗插值FFT算法的matlab仿真，已经得到实验验证，注解清晰详细，代码可读性强.以512点为例进行仿真计算，对与其他点数，如256或是1024可以通过简单修改即可(Reform process to achieve the windowed interpolation FFT algorithm matlab simulation, experimental verification has been, clear and detailed annotations, code readability. 512 points as an example to the simulation of other points, such as 256 or 1024 can be simple modifications)

xwch_test.m是主测试文件；biaoji.mat存放滤波器系数；xiangweicha.m用FFT计算相位差。 仿真框架为： 1.标记信号和双音信号续接作为发送信号； 2.对双音中一个频率分量的相位做偏移，再经过一个低通滤波器（引入线性相位，模拟收发不能同步测量现象）后，作为收到的信号； 3.用一个检测信号对收发信号进行相关运算； 4.画出收发信号以及相关处理后的信号。找出相关信号的那个尖点，从而推算出收发双音信号0相位点； 5. 输入0相位点位置，计算相对相位差。(xwch_test.m is the main test file biaoji.mat store filter coefficients xiangweicha.m calculated using FFT phase difference. Simulation framework: 1. Mark signals and then as a two-tone signal continued to send signals 2. On a two-tone frequency components of the phase shift to do, and then through a low pass filter (the introduction of linear phase, simulation can not simultaneously send and receive measuring the phenomenon), the as received signal 3. using a detection signal of the transceiver signal correlation operation 4. draw send and receive signals and related processed signal. Correlated signal of the cusp, which calculate the two-tone signal transceiver 0 phase point 5. Enter 0 phase point position, calculate the relative phase difference.)

频率调制修改版，完整能运行，不但过程清晰，而且有图，易懂，MATLAB语言编写，实用(Modified version of frequency modulation, complete to run, not only the process clear, and there are maps, easy to understand, MATLAB language, practical)

PD cascade controller for ball and beam

PE装载器的例子，处理了导入表、重定位表。(PE loader example, handling the import table, relocation table.)

指纹识别技术，包含指纹识别MATLAB源程序，功能强大(The fingerprint identification technology, fingerprint contains MATLAB source, the function is strong)

Les méthodes géométriques sont les méthodes les plus répandues en simulation indoor. On a cité les principales familles de ces méthodes. Il s’avère qu’il n’existe pas de meilleures méthodes que d autres. En effet, le choix d’une méthode par rapport à une autre dépend des objectifs principaux qui sont fixés au début du travail. Il est donc fondamental de faire un compromis entre le nombre de rayons à calculer et la complexité de calcul.

说明：  求最短路径 tsp matlab M文件(The shortest path tsp matlab)

低通滤波器实现滤波白噪声，产生一定宽度的白噪声(noise filter)