PSo

The objective is to demonstrate character/ symbol frequency distribution analysis (reference to the English language) on 2 vintage ciphers, namely Caesar cipher (a mono-alphabetic substitution cipher) and the Vigenere cipher (a poly-alphabetic substitution cipher).

基于分数阶3.0工具箱,对学校分数阶PID控制有一定学习作用(Based on fractional order 3.0 toolbox, it has a certain learning effect on fractional order PID control in schools.)

介绍了matlab中如何使用simulink平台进行信号的仿真.(Describes how to use simulink matlab signal simulation platform.)

说明：  精通matlab7.0（亨塞尔曼编著），清晰版。《精通Matlab7》全面阐述了Matlab的所有关键特性和功能，提供了精通Matlab所需要的所有方法和手段，通过实例向读者展示如何编写高效的Matlab代码。Matlab作为一个软件工具，版本在不断升级，本书是基于Matlab 7编写的。本书中的大部分素材同样可以用于Matlab 6.x和Matlab 5.x。 Matlab是适合多学科、多种工作平台的功能强大、界面友好且开放性很强的大型优秀应用软件，同时也是国内外高等院校高等数学、数值分析、数字信号处理、自动控制理论以及工程应用等课程的基本教学、实验仿真工具。本书全面阐述了Matlab的所有关键特性和功能，提供了精通Matlab所需要的所有方法和手段，通过实例向读者展示如何编写高效的Matlab代码。 (especially terrific for beginners)

认知无线电的一下资料，值得看看。希望对你有用。(Information about cognitive radio, worth a look. Hope useful to you.)

The fusion of images is the process of combining two or more images into a single image retaining important features from each of the images. A scheme for fusion of multi-resolution 2D gray level images based on wavelet transform is presented in this paper. If the images are not already registered, a point-based registration, using affine transformation is performed prior to fusion. The images to be fused are first decomposed into sub images with different frequency and then information fusion is performed using these images under the proposed gradient and relative smoothness criterion. Finally these sub images are reconstructed into the result image with plentiful information. A quantitative measure of the degree of fusion is estimated by cross-correlation coefficient and comparison with some of the existing wavelet transform based image fusion techniques is carried out.

波束形成，空间谱估计的MUSIC算法的MATLAB程序(beamforming and DOA)

Haar algo for compression

说明：  draw a signal with its envelope

求根MUSIC算法源程序，实现波达方向估计(Root MUSIC algorithm source code, direction of arrival estimation)