MATLAB-Signal-and-System

This document about method of solution kinematics problem in unit quaternions on matlab

利用DCT进行图像压缩（首先将图像分割成8×8的图像，对每个子图像进行DCT，这样每个子图像有64个系数，舍去50％小的变换系数，进行2：1的压缩。）(Using DCT for image compression (first image into 8 × 8 image, for each sub-image DCT, so that each sub-image by a factor of 64, rounding 50 of the small transform coefficients, the 2:1 compression.))

CODE FOR COMPUTATIONAL FRACTAL. YOU CAN USE IN MATLAB SOFTWARE.

这个程序代码用于提取眼底图像的血管，包括去噪、边缘检测(The program code for extracting a blood vessel image of the fundus, including denoising, edge detection)

find pitch to detection gender

对卫星云图特征识别与选择，并通过多种算法的综合应用，寻找显著性特征。(The identification and selection of the satellite image characteristics, and by the application of a variety of algorithms to find the significant features.)

用于滤除各种信号中所带有的噪声信号而编写的小波滤波通用程序(general program of wavelet filter for filter out the noise in various signals)

rake接收机，简单易懂，来自美国著名教授，如有问题，联系02212090@bjtu.edu.cn()

这四个程序分别为高斯消去法、列主元消去法、全主元消去法解线性方程组和Gauss-Jordan消元法求矩阵的逆。 　　程序采用MATLAB语言开发，并在MATLAB6.5下测试通过。(The four procedures were Gaussian elimination, elimination method out PCA, PCA-wide elimination method solution of linear equations and Gauss-Jordan elimination method of inverse matrix. Procedures for the use of MATLAB language development, and under MATLAB6.5 test.)

实现编码信号的转换。能够对不同的语音信号实现编码与解码。(Realizes the coded signal transformation. Can realize the code and the decoding to the different voice signal. )