filtering for image

谱减去，最常用的程序，实习除噪，语音增强(To achieve denoising)

二维经验模态分解，采用形态学求极值点，径向基神经网络拟合，速度较快。(Two-dimensional empirical mode decomposition, using morphology for extreme points, radial basis function neural network fitting, faster.)

Zooming an image using bilinear interpolation

最小二乘回归分析算法，pwm整流器的建模仿真，对信号进行频谱分析及滤波，数据模型归一化，模态振动，包括广义互相关函数GCC时延估计，能量熵的计算。

PFC功率因素校正电路，基于乘法器的APFC(PFC power factor correction circuit, multiplier-based APFC)

这是QAM信号和PSK信号产生程序，可以生成16-QAM,32-QAM,64-QAM和M进制psk信号。(This is PSK and QAM signals a process can generate 16-QAM ,32-QAM. 64-M and 229 QAM signals psk.)

Lamb波群速度，相速度，波长随着频率的变化(Lamb wave scpoe)

用fox-li数值迭代法模拟模拟激光谐振腔的振荡过程并计算最终的稳态分布(Using fox-li iterative numerical simulation simulate laser resonator oscillation process and calculate the final steady-state distribution)

最小二乘支持向量机matlab工具箱1.8版本(Squares support vector machine Toolbox version 1.8)

This matlab code is to make understand the concept of space time block codes in mimo wireless communication system