MMSE

Here,we want to estimate a system with ARX and ARMAX. the euation of system is : 2(s+1)/s^2+2s+2 so first, we find the discrete equation that sampling frequency is 100ms. Here,in our sample,na=nb=2,nc=1 also ,this algorithm find the poles and zeros of the system.

直接将秘密图像的高4bit隐藏在RGB载体图像的R,G,B层中所选的那一层的低4bit(Directly to the secret image hidden in the high-4bit RGB vector images R, G, B layer, then a layer of selected low-4bit)

matlab7.0应用教程，涵盖了mantlab的所有基础知识，是一本想学习matlab的一本不可多得的教材(matlab7.0 application tutorial, covering all the basics mantlab is a want to learn matlab' s a rare textbook)

关于OFDM的调制仿真，其中使用是QPSK调制，包含FFT、循环前缀、加窗等基本过程。(OFDM modulation on the simulation, in which a QPSK modulation, contains the basic process FFT, cyclic prefix, windowing and so on.)

一本用于matlab学习的电子书籍，对初学者有很大的帮助。(A book to learn matlab, electronic books, has a great help for beginners. )

一个控制系统中离散系统的模拟和结果演示，其中有Matlab运行结果图。(a discrete control system simulation system and the results of the demonstration, including Matlab running results map.)

MATLAB通信仿真及应用实例详解,比较好的一本书。(MATLAB simulation and communication application example explanation, a good book.)

直接序列扩频系统（DS，Direct Sequence）又称为直接序列调制系统或伪噪声系统（PN 系统），简称为直扩系统，是目前应用较为广泛的一种扩展频谱系统。要传送的信息经伪随机序列编码后对载波进行调制。在发信端越冬用扩频序列去扩展信号的频谱，在收信端，用相同的扩频友序列进行解扩，将展宽的频谱扩展信号还原成原始信号。因为伪随机序列的速率远大于要传送信息的速率，所以受调信号的频谱宽度将远大于要传送信息的频谱宽度，帮称之为扩频(Direct sequence spread spectrum (DS, Direct Sequence) modulation system, also known as direct sequence or pseudo-noise system (PN system), referred to as direct expansion systems, is currently the more widely used as a spread spectrum system. To send the information encoded by the pseudo-random sequence of carrier modulation. End of winter in the letter to extend the signal with the spreading sequence of spectrum, in the end prepared to receive and use the same sequence spread spectrum despreading friends, broadening the spectrum to restore the original signal expansion signals. Because the rate of pseudo-random sequence is much larger than the rate of information to be sent, so the frequency spectrum by adjusting the width of the spectrum is much larger than the width of the information to be sent to help is called spread spectrum)

有效实行数据分类和图像分割的源码， 非常适合学习实用(image and data segmentation)

cao方法求系统的嵌入维数，经测可用，可以为他人研究参考(The Cao method can get the embedding dimension of the system, and it can be used for reference by others.)