sa_Ex6_2

基于DCT的信息隐藏算法，水印技术方面的，用matlab开发的(Information hiding algorithm based on DCT, the watermark technology, developed with matlab)

文件集合了最全的自动控制程序，对系统学习自控的人有很大的帮助。(File set the full automatic control program, the system control of learning has a lot of help.)

21种特殊函数的数值计算的matlab代码，包括bessel函数，gamma函数，beta函数等(21 kinds of special functions matlab numerical code, including bessel function, gamma function, beta function, etc.)

Demosaicking Algorithm using Bi-linear Interpolation

马达多种特性曲线绘制，双座标轴，随曲线走向趋势添加注释(Motors draw a variety of characteristic curve, dual axis, with the curve of the trend to add comments)

程序功能:采用JPDA数据关联算法实现两个个匀速运动目标的点迹与航迹的关联(Program features: data association algorithm using JPDA a uniform two-point track moving objects associated with the track)

数学建模中画散点图，伪彩色图，等高线图，三维曲面图；数据可以从excel中直接导入.(Mathematical modeling of scatter diagram, pseudo color map, contour map, 3-D surface chart data from the excel directly.)

说明：  常用的DEA交叉模型，是目前广泛使用的效率评价模型之一(DEA crossover model, which is commonly used in DEA crossover model, is one of the most widely used efficiency evaluation models at present.)

Two path model calculator

gvf snake 范例程式,以matlab撰写(gvf snake sample program to write matlab)