emd分解，通过emd分解重构信号实现降噪

说明：  NCO模块的设计函数，用于产生正弦、余弦信号(It s a design functions about NCO module ，which is used for generating sine, cosine signal)

FFT/IFFT/LPF函数的调用，将三段代码分别保存为m文件，即可在matlab中调用函数。包含一个例子，为AM以及DSB的调制和解调。(FFT/IFFT/LPF of function calls, respectively for m documents preservation, can call functions of the matlab.)

end point detection or silence removal i.e to remove voiced or unvoiced speech

分数阶的滑膜控制，实现分数阶的滑膜的控制程序。(Fractional synovial control, synovial Fractional control program.)

大时滞系统Smith预估算法matlab.m文件仿真c程序(Big Delay PID Control with Smith Algorithm)

沿直线最小化优化学习率的梯度下降法matlab版本的一个实例源代码，带轨迹收敛图。(a source code of steepest descent with learning rate to minimize along the line by matlab)

这是一个径向基函数网络MATLAB的源程序,用于两类线性不可分的数据的分类(This is a RBFN MATLAB source for the two types of non-linear data classification)

本程序用以仿真块状导频时不同信噪比条件下的误码率和均方误差，信道估计采用最小二乘法和改进的最小二乘法。 (The pilot program for the simulation block different SNR when the bit error rate and mean square error channel estimation using the least square method and the improved least square method.)

matlab中使用GUI编写的一个数值插值运算来拟合需要的曲线(matlab GUI written in a numerical interpolation to fit the curve of the need )

an ideal lowpass filter