for_pdn3

说明：  现代谱估计的matlab的程序。用的是最小二乘法。(Modern Spectral Estimation matlab procedures. Using a least squares method.)

小波包分析提取振动信号中的特征频率，重要参数的提取，用于时频分析算法。( Wavelet packet analysis to extract vibration signal characteristic frequency, Extract important parameters, For time-frequency analysis algorithm.)

my package is all about image processing of counting eggs using bwareaopen to remove noise and filtering of the image, also include how many eggs are there.

Any individual or organization may be used for commercial purposes.

some pdf files and matlab code related

对于npsk的调制和解调方案，修改n的值就可以得到各种psk的效果(Modulation and demodulation for npsk program, modify the value of n can be the effect of various psk)

适用于MATLAB中的小程序，功能是：添加环境效果，已经验证，可以使用。(Applicable to the small MATLAB program functions are: add environmental effects, has been verified, you can use.)

基于传递矩阵的方法，计算转子动力学系统临界转速及振型(Critical Speed and Vibration Mode of Rotor Dynamics System Based on Transfer Matrix Method)

FDTD（时域有限差分法）算法的Matlab源程序(FDTD (FDTD) algorithm Matlab source code)

利用改进的蚁群算法，寻找最优路径，优化了算法运行时间(The use of improved ant colony algorithm to find the optimal path optimization algorithm running time)