ex_18_4

this code implements a dwt watermarking schema

dv-hop程序，具有一定的参考价值！！！！(dv-hop)

模式识别分类器的设计，此为K均值法源码，经调试通过。所用数据为标准IRIS。(Pattern recognition classifier design, the source for the K-means, after debugging through. Data used as the standard IRIS.)

MATLAB教学用书或高等数学、线性代数、计算方法、复变函数、概率统计、数学规划、偏微分方程解法以及动态仿真等课程的教学辅导书，也可作为科研人员及工程计算人员学习和使用MATLAB的参考书(MATLAB books or teaching advanced mathematics, linear algebra, computational methods, complex variable functions, probability and statistics, mathematical programming, dynamic simulation of partial differential equation, and counseling and other teaching books, can also be calculated as the scientific and engineering staff to learn and reference books to use MATLAB)

用于matlab sbm计算的代码，直接替换数据即可(for sbm(dea) in matlab)

实现Kalman滤波功能，帮助理解Kalman滤波算法的实现过程。(The realization of Kalman filtering, to help understanding the realization of Kalman filtering algorithm.)

灰色预测模型GM（1，n）模型的matlab源代码，包括预测模型的建立，以及模型的精度检验指标c,p的计算(Grey prediction model GM (1, n) model matlab source code, including the prediction model and the precision test indicators c, p calculation)

DOST extraction code

产生脉内Frank相位编码调制信号，并对其进行平方、四次方变换，利用四次方FFT结果为单频信号的特点完成调制识别，最后绘图观察其瞬时相位曲线。(Generating pulse code modulation signal within Frank polyphase, and its square, four square transformed by FFT results for the fourth power single-frequency signal modulation characteristics of complete identification, finally drawing to observe the instantaneous phase of the curve.)

三自由度平台控制系统，正向解算和反向解算的子系统框图(The three DOF platform control system, forward and reverse solution counted solver subsystem block diagram)