beam-element

DCT图像压缩算法。1.图象进行归一化 2.显示系数图象 3.重构及显示图象 4.显示误差图象 5.计算归一化图象的均方误差 (DCT image compression algorithm. 1. Images were normalized 2. Shows coefficient image 3. Reconstruction and display of images 4. Show the error images 5. Calculated normalized mean square error of image)

说明：  一本讲解软GPS的好书，不可多得。作者以浅显的语言介绍了GPS软接收机的信号处理流程。(the book includes :GPS Signal,Galileo Signal,GNSS Antennas and Front Ends,GNSS Receiver Operation Overview,Acquisition,Carrier and Code Tracking,Data Processing for Positioning)

dds simulation codle

用于计算同一序列在不同时刻的取值之间的相关程度的函数，即自相关函数 聚类分析函数(Autocorrelation functio,which was used to calculate the correlation of the same sequence at different time. Cluster analysis function)

代码实现了超宽带基本定位算法，包括TOA,TDOA,以及TOA三维定位，所有代码已经在matlab 7.1下调试通过(The code is about basic positioning alogrithm of UWB,including TOA,TDOA and the 3d positioning of TOA,all of them is debuged successfully on matlab 7.10.)

利用matlab软件编写的对各种信号循环平稳分析处理的程序．(Using matlab software written in a variety of signal analysis and processing cycle of a smooth process.)

说明：  利用matlab编程语言，对合成孔径雷达的range-doppler算法进行了仿真。(Using matlab programming language for synthetic aperture radar range-doppler algorithm simulation.)

主从结构控制的双永磁同步电机，单个电机采用id=0的转子磁场定向控制(The master-slave structure controlled double permanent magnet synchronous motor, the rotor field oriented id=0 control using single motor)

多项式拟合的MATLAB工具。只要具有以下几个函数 POLYFITN - A general n-dimensional polynomial fitting tool POLYVALN - An evaluation tool for polynomials produced by polyfitn POLYN2SYMPOLY - A conversion tool to generate a sympoly from the results of polyfitn POLYN2SYM - A conversion tool to generate a symbolic toolbox object from the results of polyfitn (Polynomial fitting of the MATLAB tools. As long as have the following functions POLYFITN- A general n-dimensional polynomial fitting toolPOLYVALN- An evaluation tool for polynomials produced by polyfitnPOLYN2SYMPOLY- A conversion tool to generate a sympoly from the results of polyfitnPOLYN2SYM- A conversion tool to generate a symbolic toolbox object from the results of polyfitn)

能够用matlab实现RSA算法中加密解密的功能，产生的密钥为1024位，计算速度快。(Matlab able to achieve the RSA algorithm for encryption and decryption functions, have a key for 1024, the calculation speed.)