基于人工神经网络的常用数字信号调制，基于分段非线性权重值的Pso算法，分数阶傅里叶变换计算方面。- The commonly used digital signal modulation based on artificial neural network, Based on piecewise nonlinear weight value Pso algorithm, Fractional Fourier transform computing.

分数阶傅里叶变换计算方面,基于小波变换的数字水印算法matlab代码，小波包分析提取振动信号中的特征频率。- Fractional Fourier transform computing, Based on wavelet transform digital watermarking algorithm matlab code, Wavelet packet analysis to extract vibration signal characteristic frequency.