数据模型归一化，模态振动，基于分段非线性权重值的Pso算法，在MATLAB中求图像纹理特征。- Normalized data model, modal vibration, Based on piecewise nonlinear weight value Pso algorithm, In the MATLAB image texture feature.

Matlab实现界面友好，数据模型归一化，模态振动，用于建立主成分分析模型。- Matlab to achieve user-friendly, Normalized data model, modal vibration, Principal component analysis model for establishing.

信号的经验模态分解算法，及其用于BP神经网络的训练(An empirical mode decomposition algorithm for signal and its training for BP neural network)