模拟信号dsb和ssb调制 dsb-and-ssb

matlab实现PVD方法和基于模函数PVD的方法，自己写的，图像隐写的研究内容(matlab implementation PVD PVD method and the method based on mode function, write, and images of the contents of steganography)

小波阈值去噪，比较了软阈值，硬阈值及当今各种阈值计算方法和阈值函数处理方法的性能，通过信噪比及均方差的比较，得出各种的算法的优劣。(Wavelet threshold denoising compared soft threshold and hard threshold and the current method of calculating the various thresholds and thresholds approach the performance of function, through the signal to noise ratio and mean square deviation of the comparison, the various algorithms advantages and disadvantages.)

td-scdma瑞利信道仿真，使用成形滤波器法。(td-scdma Rayleigh channel simulation, using the shape filter.)

相关分析过程的matlab方法，采用累计贡献率的方法，混沌的判断指标Lyapunov指数计算。( Correlation analysis process matlab method, The method of cumulative contribution rate Chaos indicator for Lyapunov index calculation.)

the sum-rate inner bound of sason on two-user interference channel

说明：  高等数值分析matlab代码，迭代，函数拟合等(Advanced numerical analysis matlab code, iteration, function fitting, etc.)

说明：  离散型PSO matlab，供大家日常学习、测试使用。谢谢(Discrete PSO matlab.It can be used for daily study and test. thank you)

加算方法中的追赶法的例子，例子经过了最优化处理，可以最小开销的实现追赶法(Add count method to catch up with examples of law, for example, has been optimized to deal with, you can catch up with the realization of the minimum cost method)

algorithm of Back Propagation NN

about nuralnetwork and it is not very use full