VFC_demos

从介绍功率谱的估计的理论基础入手，分析经典谱估计和现代谱估计，以及在Matlab中的实现方法。(Introduced the power spectrum from the estimated theoretical basics, analysis of classic and modern spectral estimation spectral estimation, as well as the realization of Matlab.)

语音端点检测，有助于除去语音信号中的噪音部分，留下有用的携带信息的部分，有利于提取其中有用的语音特征参数，从而提高识别率。(Endpoint detection, helps remove the noise part of the speech signal, leaving useful information-bearing part, is conducive to extract the speech feature useful to improve the recognition rate.)

目标跟踪问题的应用背景是雷达数据处理，即雷达在搜索到目标并记录目标的位置数据, 对测量到的目标位置数据（称为点迹）进行处理，自动形成航迹，并对目标在下一时刻的位置进行预测。 下文简要讨论了用Kalman滤波方法对单个目标航迹进行预测，并借助于Matlab仿真工具，对实验的效果进行评估。 里面包括三个源程序，和一份实验报告，里面有算法的详细分析和情景假设。(Application of target tracking radar data processing background, that is the search radar to the target and record the location of the object data to the target location of the measurement data (referred to as Plot) for processing, automatic track formation, and the target in the next time to predict the location. Briefly discussed below, using Kalman filtering to predict a single target track, and the help of Matlab simulation tools, experimental results for evaluation. Which consists of three source code, and a test report, which has a detailed analysis of the algorithm and the scenario assumptions.)

用卡尔曼滤波器实现目标追踪，利用蒙特卡洛的方法对跟踪滤波器进行仿真分析，次数为1000次 (Kalman filter to achieve target tracking, using the Monte Carlo method of tracking filter simulation analysis, the number is 1000 times)

adfne在MATLAB语言的语法构成的）一包的计算机代码三个维度基于随机模拟的校长产生的裂缝网络功能；函数表征合成的或进口的两和三维裂隙网络包括交叉分析、密度测量、连接性指数、聚类和其他许多人；为对两和三维裂隙网络可视化高度简化的功能；的功能，一般利用上述阶段，以延长其使用的实际应用，为进一步发展稳定的框架和工具，以节省所得的图、表和信息在适当的格式读取能够通过许多通用标准软件应用程序。(ADFNE is a package of computer codes in Matlab language syntax which consists of a) functions to generate fracture networks in two and three dimensions based on stochastic modelling principals; b) functions to characterize synthesized or imported two- and three-dimensional fracture networks including intersection analysis, density measures, connectivity indices, clustering and many others; c) functions for highly simplification of visualization of two- and three-dimensional fracture networks; and d) functions to generically utilize the above stages and to extend their use for practical applications, to provide stable framework for further developments, and tools to save the resulting maps, tables and information in appropriate formats readable by many common standard software applications.)

A program to find the centre of each ellips

说明：  SVM用于模式识别 整理别人的代码（原来的是英文）所得： kernel.m用于内积矩阵的计算 svcplot.m用于绘图 svm168.m是主程序 testlin.m是采用线形内积函数的支持向量机应用的 文件 testrbf.m是采用RBF内积函数的支持向量机应用 的 文件 每个文件中都有说明。 仿真平台matlab7.0, 仿真全部通过 将所有文件拷贝到work目录下（注意不要直接将上层文件夹直接拷贝到work目录下，若那样操作，必须在matlab的file菜单中的set path中设置相应的路径）。 打开matlab，在命令窗口中输入 testlin或testrbf 即可查看结果。 (SVM pattern recognition for collating other people's code (the original is in English) from : kernel.m plot within the matrix for the calculation svcplot.m for graphics is the main svm168.m testlin.m procedure is used linear plot function within the SVM application documents testrbf.m RBF is using plot function within the SVM applications each file documents were described. Matlab7.0 simulation platform, all through the simulation of all the documents copied to the work directory (not directly to the attention of the upper folder directly copied to w contex directory, as if the operation, Matlab in the file menu on the set path corresponding set the path). Open Matlab, in the command window or imported testlin testrbf can see the results.)

zhe ge hen hao yong de dajia laikankan ba (zhe ge de hen hao yong dajia laikankan ba)

OFDM信号瑞利衰落信道的matlab仿真，包括一个word文档以及仿真程序。(OFDM signals in Rayleigh fading channel matlab simulation, including a word document as well as the simulation program.)

关于pll的simulink模型，希望对大家有用。(a module of pll by using simulink.hope it be helpful)