LDPC_code_principle

Average based noise estimation

用MATLAB实现对图形图像的处理，对图像的锐化。(Achieved using MATLAB image processing of graphics, the image sharpening.)

二相编码信号的产生以及频谱分析，可以产生7位、11位、13位典型编码信号以及13位bark码的频谱图，通过仿真可用(Two-phase coded signal generation and spectrum analysis, can produce 7, 11 and 13 typically coded signals and 13 yards of bark frequency spectrum, through the simulation can be used)

ask fsk psk modulation in mathlab

采用算术编码、汉明编码和QASK调制方法 采用Huffman编码、卷积译码和QFSK调制方法(Using arithmetic coding, Hamming coding and modulation method used QASK Huffman coding, convolution decoding and modulation method QFSK)

Spectral analysis and correlation of stochastic discrete signals

信号分析与处理中的卷积，适用于合成地震记录(Signal analysis and processing of convolution, for synthetic seismograms)

MATLAB ask psk fsk dpsk调制解调

通过分支定界法计算线性规划、整数规划,效果较好。(To calculate integer programming, branch and bound method is better.)

混沌系统的李亚普洛夫指数的求解，步骤很详细，可以适用于不同的混沌系统。(Chaotic system Lyapulov Index solving steps in detail, can be applied to different chaotic systems.)