chaincode

极值中值滤波编码，在matlab环境下的编码，采用极值中值编码。(Extreme Value Filtering coding, in the Matlab environment coding, using the maximum value coding.)

This is the program for mu law companding,,,,

噪声过滤器，实现混合噪声的去噪功能，能运行，由运行结果图！！(The noise filter, the realization of mixed noise denoising function, can run, run by the result map!! )

瑞利衰落和莱斯衰落信道的仿真程序，能够统计出误码率与信噪比的仿真图(a simulation program for raileigh and rice channel)

Spectral Subtraction Noise reduction algorithm

1D求解麦克斯韦方程组，等离子体密度，电子密度，matlab程序，+作图(1D solving Maxwell' s equations, the plasma density, electron density, matlab program,+ mapping)

You can use it to make the singularity spectrum of the cantor set .The syms is 0.4P2.

一个估计garch（1,1）的matlab程序(matlab code for estimating garch（1,1）)

说明：  《数字通信（第四版）》答案 《数字通信》(第4版)是数字通信领域的一本经典教材,通过对概率论及随机过程的复习,详细介绍了数字和模拟信源编码、数字调制信号和窄带信号与系统的特征、加性高斯白噪声中数字通信的调制和最佳调制与检测方法、基于最大似然准则的载波相位估计和定时同步的方法、不同信道模型的信道容量及随机编码、带限信道的信号设计、受到符号间干扰恶化信号的解调与检测问题、自适应信道均衡、多信道与多载波调制、扩展频谱信号和系统、衰落信道上的数字通信。(The solution of "Digital communication" " Digital communication" (4th edition) is a digital communications of a classic textbook in the field, through the review process, the probability of randomly addressed, details of the digital and analog source coding, digital modulation signal and the narrowband signal and system characteristics, additive white Gaussian noise in digital communication modulation and the best modulation and detection methods, based on maximum likelihood criterion of carrier phase estimation and time synchronization method, different channel model of channel capacity and random coding, band-limited channel signal design by ISI worse signal demodulation and detection, adaptive channel equalization, multi-channel and multi-carrier modulation, spread spectrum signals and systems, fading channel digital communications.)

数字图象处理系统，使用MATLAB的GUI模块，可实现图象的直方图均衡、灰度化、二值化、缩放、边缘检测、增加噪声、图像变换、去噪等功能。使用时请将fig文件和m文件和图像放在一个文件夹内(photo process system,use matlab)