Laplas-Elemination

说明：  卡尔曼滤波器的介绍及其源代码 5个公式 两个时间方程 三个状态方程(Introduction to the Kalman filter and its source code 5 Formula Three two time state equation equation)

基于matlab人脸检测的方法很多，pca是其中比较有效的一种。本代码主要是使用pca的方法进行人脸检测，可以检测出人脸的位置，数目，大小(Matlab-based Face Detection many ways, pca which is the more effective one. The code is the use of the method pca Face Detection can be detected Face the location, number, size)

MAT4 MAT4 MAT4 MAT4

针对感应电机扩展卡尔曼滤波器转速估计中难以取得卡尔曼滤波器系统噪声矩阵和测量噪声矩阵最优值的问题，提出了一种基于改进粒子群算法优化的扩展卡尔曼滤波器转速估计方法。算法通过融合遗传算法和粒子群算法的优点，采用可调整的算法模型对粒子群算法进行改进，将改进的粒子群算法对扩展卡尔曼滤波器中的系统噪声矩阵和测量噪声矩阵进行优化处理，将优化后的卡尔曼滤波器应用于感应电机转速估计。( Extended Kalman Filter for induction motor speed estimation problem is difficult to obtain a Kalman filter system noise matrix and the measurement noise matrix optimal value proposed speed estimation method based on improved particle swarm optimization of the extended Kalman filter. By virtue of the genetic algorithm and particle swarm optimization algorithm fusion algorithm using the adjustable model PSO improvements that will improve the PSO extended Kalman filter system noise matrix and the measurement noise matrix optimization process, the optimized Kalman filter is applied to the induction motor speed estimate.)

说明：  简介 粒子群优化算法(PSO)是一种进化计算技术(evolutionary computation),1995 年由Eberhart 博士和kennedy 博士提出,源于对鸟群捕食的行为研究 。该算法最初是... 2.算法 2.1问题抽象 鸟被抽象为没有质量和体积的微粒,并延伸到N维空间,粒子i在N维空间的位置表示为矢量Xi=(x1,x2,...,xn),飞行速度表示为矢量Vi=(v1,v2,...,vn)。每个粒子都有一(matlab and GA algorithm)

本文在分析移动无线信道衰落特性的基础上,阐述了OFDM系统的基本原理,主要研究了OFDM通信系统中的基于导频符号的信道估计问题,分析了几种经典的信道估计算法以及相关的关键技术环节。 在此基础上介绍了OFDM技术在现实中的一个应用——WLAN IEEE802.11a系统模型,利用Matlab仿真软件完成OFDM系统信号生成、噪声生成、导频插入、循环前缀、调制、解调等部分的设计,最后结合计算机仿真对系统关键技术(导频、循环前缀、估计算法)的有效性和可行性进行了全面的分析与比较。适合matlab研究(Based on the analysis of mobile channel fading characteristics based on the OFDM system on the basic principles of research in the OFDM communication system of the pilot symbols based on channel estimation problem, an analysis of several classical channel estimation algorithm and the associated key technical links. On this basis, introduced OFDM technology in a practical application- WLAN IEEE802.11a system model, using Matlab simulation software to complete OFDM signal generation, noise generation, pilot insertion, cyclic prefix, modulation, demodulation and other parts of the design, the final combination of computer simulation of the system of key technologies (pilots, cyclic prefix, it is estimated that algorithm) the effectiveness and feasibility of a comprehensive analysis and comparison. Suitable for research matlab)

利用matlab编程计算矩阵的协方差，对数学建模很有用(slove mathematics things)

一个matlab的将军模型，互联网上很难查询到，希望对matlab初学者有所帮助(a general Matlab model, the Internet is difficult to find. Matlab hope to help beginners)

By using these matlab codes a simple BPSK modulation can be implemented. The format used is Polar NRZ

说明：  DSP入门：数字滤波器设计(双线性变换法)(DSP basis: Design of digital filter(Double linear transform))