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Expectation maximisation with principal component analysis

一个锁屏幕的程序，不再电脑旁时，防止被其他人看你的电脑资料(A lock screen program is no longer next time the computer, and prevent other people to read your computer data)

本程序是计算二维光子晶体能带的程序，编程思路清晰，注释详细易懂，适合初学者参考，多谢。(This procedure is to calculate the two-dimensional photonic crystal band program, programming ideas clearly, annotation and easy to understand in detail, suitable for beginners reference, thanks a lot.)

dtw的程序代码，可以实现动态时间对齐，自己编的，可以使用(dtw' s program code, dynamic time alignment can be achieved, their own code, you can use)

Matlab小波滤波程序及演示程序，很好的学习资料，有实例和仿真(Matlab wavelet filtering procedure and demonstration program, good learning materials, there are examples and simulation)

bi-unipolar.m 1. Data 2. mod 3. AWGN 4. demod 5. Detect

Matlab examples, codes and algorithms implemented

安卓程序 在安卓SDK2.3中的SAMPLE CODE 里面有 拿出来服务大家(a program of snake game of android in sample code)

qpsk调制程序，通过仿真，用matlab编写的(qpsk modulation process, through simulation, written with matlab)

an rbf matlab file that uses som for clustering