Assignment-2

Electromagnetic Simulation Using_Fdtd Sullivan2D书中的程序。(Electromagnetic Simulation Using_Fdtd Sullivan2D book program.)

maple brick 27 foe finite element method

说明：  该文件包含了蚁群算法的MATLAB程序。以及如何用它解决TSP问题(This file contains the ant colony algorithm MATLAB. And how to use it to solve the TSP problem)

可以用来方便的进行输入信号的Hilbert-Huang变换，经过了验证，可以使用(Used to implement the input signal of the Hilbert-Huang transform. First proposed calculation method, after validation, can be used.)

通信中所用的一种递归RLS算法，用于建模(Communication used in a recursive RLS algorithm for modeling)

哈弗曼解码程序在matlab软件中的实现(huffman decode in matlab)

信道估计程序，包括对多路径信号经过加权后进行最佳信噪比和相位估计(Channel estimation procedures, including multipath signals after weighting the best signal-to-noise ratio and phase estimation)

基于最低有效位lsb水印图象算法，带有攻击代码。(lsb watermarking algorithm,)

说明：  现代谱估计的matlab的程序。用的是最小二乘法。(Modern Spectral Estimation matlab procedures. Using a least squares method.)

无线传感器网络中应用leach算法来识别恶意节点和剔除恶意节点。从而保证网络系统的寿命最长。(In wireless sensor network，cluster algorithm of nodes is all effective approach and key technology to implement energy saving and flexible management．To improve security and lifetime of clustering network，a secure clustering was pro— posed based on the random and parallel cluster header election algorithm and pre—distributed key scheme．In hypothetical network model，it can elect the cluster header nodes and identify and get rid of malicious nodes，and in data telecommuni— cations，the communication security Can be achieved by using encryption algorithm and thus the network lifetime Call be prolonged．)