gravity-field

粒子群寻优。 利用粒子群寻优的方法，对神经网络进行训练。(Particle swarm optimization. The use of particle swarm optimization method for neural network training.)

说明：  这些是卷积译码程序m文件，其中viterbi.m为卷积译码程序，其余的m文件为viterbi.m中用到的子函数。均已调通，并加上注释！(These are the convolutional decoding process m paper viterbi.m for the convolutional decoding process, the rest of the m file viterbi.m used in subroutine. Have been transferred pass, and to add comments!)

在现代测试技术中，考虑到传感器特性，针对传感器特性曲线非线性问题的补偿(In modern testing technology, taking into account characteristics of the sensor, the sensor characteristic curve for the compensation of nonlinear problems)

This program is the implementation of Pixel value differencing method

说明：  实现实验采集信号的高通滤波，常用于振动、噪声以及流体仿真结果的处理。(High pass filtering of experimental signals is often used to process vibration, noise and fluid simulation results.)

全变差去噪的标准matlab代码实现[ROF92],与Guy Gilboa的Texture preserving TV denoising [GSZ03] (total variation denoising standard Matlab code to achieve [ROF92] Guy Gilboa and the Texture preserving TV denoising [ GSZ03])

说明：  最大似然译码的matalb仿真程序，皆为小程序浅显易懂(Maximum likelihood decoding matalb emulator)

人脸检测，根据人脸肤色的特征，检测出人脸的轮廓的matlab代码(Face detection matlab code)

产生随机共振现象的输入输出信噪比曲线,运用龙格库塔算法求解朗之万方程，进而实现随机共振系统(the realization of stochastic resonance systems)

This file include the normalized LMS algorithm and subband LMS algorithm. all of them are in m.file This file can be used to echo noise cancellation, and active noise control