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This is a matlab code of LEACH protocol that simulates the life of the sensor network.

Kalman Filter (KF) and extended Kalman Filter (EKF) are basic tools for solving many estimation problems. They have found plenty of applications including target track- ing and mobile robot localization and mapping.

This program simulate PML as absorbing boundary condition for 2D-FDTD of TMz mode EM wave. This program works for any rectangular workspace with same or different step size in x and y direction

Matlab命令速查Word版，对初学者英语不好者可以有点帮助(Matlab Command Quick Word version of English is not good for beginners who can help a little)

求传函的能控能观阵，以及初值的计算。程序简单易懂，旁边附有说明(Transfer function of the energy demand can watch the control and calculation of initial value)

用于三维重建的反投影滤波,X-ray，CT，SPECT等图像重建(3D reconstruction)

基于matlab，通过焦点计算二维中的图像灭点，以还原成三维图像。(Based on matlab, calculated by the two-dimensional image in the focus off point to restore the three-dimensional image.)

粒子群优化寻找最适合的核函数和惩罚因子，为了更好的进行故障分类判断(Particle swarm optimization to find the most suitable kernel function and penalty factor, in order to judge the fault classification)

对声音信号进行处理，通过播放来检验处理效果，采用维纳滤波法进行滤波。有详细注解(voice signal processing, using weina.)

lms filter adaptive filter for decrease noise