ecai2010-code(1)

说明：  ｗａｖｅ：小波包分解，对信号进行小波包分解，将信号按频率成分分解出来，并且估计小波包能量(wave: wavelet packet decomposition, wavelet packet decomposition of the signal, the signal decomposition by frequency components out, and the estimated wavelet packet energy)

卡尔曼滤波在矿区开采沉陷监测中水准数据处理及沉陷预测中的应用。(The application of Kalman filter in mine subsidence monitoring。)

说明：  在Matlab里可以方便计算一个序列频谱等特征的程序(in Matlab can easily calculate a spectral characteristics of the process)

产生正交的AM信号和FM信号，信号为复信号，含有I路和Q路，FM信号可设置调制指数变量，运行后可看到仿真时域及其频谱图(Generate quadrature AM signal and FM signal, the signal for the complex signal containing I and Q Road Road, FM signal modulation index variable can be set to run after seeing the time-domain simulation and spectrum)

DOA estimation for uniform linear array based on music algorithm

基于灰度图像的目标物的提取、边缘检测、迭代收缩(Extract target grayscale images based on edge detection, iterative shrinkage)

MATLAB频散曲线绘制，相速度，群速度(MATLAB dispersion curve drawing, phase velocity, group velocity)

说明：  MATLAB实现kaiser窗函数。~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ (MATLAB kaiser window function to achieve)

这是一个瑞丽衰落信道的模型，适用于无线水声，很实用。(This is a Ruili fading channel model for wireless underwater acoustic, very practical.)

三种方法实现数字下变频：直接法、bessel插值、多相滤波等(three method of DDC)