permanent-motor

小波包变换的matlab程序库，对信号进行小波变换，推荐下载(Matlab wavelet packet library, the signal wavelet transform, recommended download)

重压缩检测：检测图像是否存在两次JPEG压缩并定位篡改区域(double JPEG detection)

使用小波分解进行图像分析，并以此进行纹理图像的分割(Using wavelet decomposition for image analysis and texture image segmentation as)

空间普估计之mvm算法 此算法是music算法的改进算法(S & P estimates mvm space algorithm This algorithm is music algorithm improved algorithm)

利用MATLAB语言中的simulink工具箱对无线局域网WIFI的工作过程进行了仿真，对从事无线局域网仿真工作的人员具有重要参考价值。(Using the simulink toolbox in MATLAB language for wireless LAN WIFI work process simulation, simulation engaged in wireless LAN staff has important reference value.)

本例程用于心电信号中QRS波的检测，可以精确定位出QRS波的峰值位置和峰值大小(this is used to test the QRS waves of ECG signals)

巴特沃斯滤波器，切比雪夫滤波器，椭圆滤波器设计及比较，同样的设计参数指标，在同一张图中比较三种滤波器的幅频响应波形，并用统计图画出各滤波器所需阶数。(Butterworth filter, Chebyshev filter, elliptic filter design, the same design parameter index, with a figure in the comparison of three filter frequency response waveform, and use statistical picture of the desired order of each filter.)

PRML书本代码，PRML是一本机器学习经典教材，这里给出这本教材相应的代码。(Pattern recognition has its origins in engineering, whereas machine learning grew out of computer science. )

阿波罗卫星轨道的matlab仿真,可以实现轨道模拟(Apollo satellite orbit simulation)

A sound generated within a room travels in many directions.