em_diffraction

Matlab program, consists of few sub-program.

上面都是最新的LDPC编码技术，希望对大家都有用哈，我觉得十分的有用(The above are the latest LDPC coding techniques, I hope everyone Ha, I think is very useful)

projected coordinate systems

plot the examples .Useful for the beginners.

卡尔曼滤波器代码 包括不同噪声时信号的比较(Kalman filter code including different noise signal comparison)

说明：  FFT高通处理图像和DCT高通处理图像，能够通过这两个程序的对比，来了解这两种处理方式的异同之处。(FFT DCT Qualcomm Qualcomm processing images and image processing, be able to compare the two programs, to understand both the similarities and differences between treatments.)

说明：  时域有限差分法模拟二维光子晶体光纤中光的传播(FDTD method for modeling two-dimensional photonic crystal fiber optical transmission)

通信中位同步的gardner算法的matlab仿真(Communications Synchronization gardner of the Matlab simulation algorithm)

贪婪算法源程序。不只有Matlab程序，还有一些其他软件的。(Greedy algorithm source code. Not only the Matlab program, there are a number of other software.)

LDPC的通俗易懂的讲解。包括LDPC的编码和译码等。(Of LDPC easy to understand explanations. Including LDPC encoding and decoding.)