euler

matlab code for henon mapping based image encryption

用matlab去模拟仿真物理光学的一个文献，挺不错的(Using matlab to simulate a physical optics simulation literature, very good)

人工蜂群算法优化无刷直流电机PID控制，并采用三种评价指标函数IAE、ITAE、ITSE来进行对比分析。 (Colony optimization algorithm brushless DC motor PID control)

图形反演，这个函数有几个有用的功能，在医学图形处理的领域。(InvertIm generalized image inversion (grayscale reversal) This function has several options that are useful for inversion of medical images for use in other software. )

基于背景减除法的混合高斯背景建模，用于检测运动目标(Gaussian mixture background modeling based on background subtraction method for detecting moving targets)

说明：  Matlab在图像处理与目标识别方面的应用 附有例题 1染色体识别与统计 2汽车牌照定位与字符识别 3 基于BP神经网络识别字符的简单实验(Matlab image processing and target recognition in the application of a chromosome with Example 2 License Plate Recognition and Statistical location and character recognition based on BP neural network to recognize three characters in a simple experiment)

Direct Torque Control

对标的资产过程服从几何布朗运动的期权用蒙特卡洛模拟数值算法进行定价(The underlying asset process follows a geometric Brownian motion of options using Monte Carlo simulation, numerical algorithms pricing)

说明：  读取sgy格式数据，并利用wigb进行成图(Read sgy format data, and use wigb to map)

基于维特比译码算法的BPSK解调方式，survivor_state是一个矩阵，它显示了通过网格的最优路径，这个矩阵通过一个单独的函数metric(x,y)给出，这个算法既能用于硬判决译码也能用于软判决译码。 (BPSK demodulation method based on viterbi decoding algorithm, survivor_state is a matrix, the optimal path of it shows through the grid, the metric matrix through a separate function (x, y), the algorithm can not only used for decoding hard decision can also be used to the soft decision decoding. )