PowerSpectralDensity

try this for you frieds.....

给出了一个简单的方法，使两个单元之间的联系的(gives a easy method of making a link between two cells)

用matlab编程语言实现的三维文字的显示，可对文字自行进行编辑(Matlab programming language to achieve the three-dimensional display of the text, you can edit the text itself)

用于解决最短路径问题的算法被称做“最短路径算法”， 有时被简称作“路径算法”。 最常用的路径算法有： Dijkstra算法(The shortest path algorithm is used to solve the problem is called the " shortest path algorithm," sometimes referred to as a " path algorithm." The most common path algorithm: Dijkstra algorithm)

quadrature phase shift keying demodulation technique

这是一个利用BP神经网络进行分类学习的程序，系统输入为4个，输出为1个(This is an advantage of BP neural network to classify the learning process, the system input is 4, the output is a)

DCT 3D function for signal

doa simulation files, including music, esprit, tdoa,

audio watermark detection

this is a good book to learn the matlab. from here , you can learn a lot idea about write the matlab code.