dtwglcgx

傅立叶变换的matlabR2007实现（FFT）(Fourier Transform matlabR2007 achieve (FFT))

实现了给予人脸的特征提取与模式识别，是模式识别中比较经典的实例分析(Achieved a given facial feature extraction and pattern recognition, is the more classic examples of pattern recognition analysis of)

MATLAB CODE MRI This is a demo code for mri

用于解决合作对策问题模型matlab程序(Cooperative Strategy for solving the problem of model matlab program)

实现Nakagami信道仿真,用在无线传输信道中(Achieve Nakagami channel simulation, using the wireless transmission channel)

用matlab对船舶回转模型的建模以及源代码(Ship rotation model using matlab modeling and source code)

This function returns the numerical derivative of an analytic function. Of special note, is the incorporation of the "complex stepderivative"approach which offers greatly improved derivative accuracy compared to approximations. This is especially germain when accuracy at the level of machine precision is a concern. (Programming the finite element toolbox using matlb finite element toolbox, many examples for yourself as there is a very friendly interface, input parameters can be)

说明：  莱维飞行路径，布谷鸟多目标算法的matlab代码(Levy flight path, matlab code of cuckoo multi-objective algorithm)

说明：  水听器阵列数据处理算法，适用于仿真，内含多个程序(Hydrophone array data processing algorithm, suitable for simulation, contains multiple programs)

在一个图像块中调整两个(或多个) DCT系数的相对大小。将描述一个使用数字图像作为载体的系统。在编码处理中，发送者将载体图像分成8×8的像素块，每一块只精确地编码一个秘密信息位。嵌入过程开始时，首先伪随机地选择一个图像块bi，用它对第i个消息比特进行编码。令Bi=D{bi}为DCT变换后的图像块。 在通信开始前，发送者和接收者必须对嵌入过程中使用的两个DCT系数的位置达成一致，让我们用(u1,v1)和(u2,v2)来表示这两个索引。这两个系数应该相应于余弦变换的中频，确保信息保存在信号的重要部位(从而使嵌入信息不容易因JPEG压缩而完全丢失 (abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwx)