matlab-import-dxf

there is a matlab cod that describe how we can compute poincare map in general for nonlinear differential equation,in dynamical system.

小波分解与重构程序，小波的多层分解与从构(Wavelet decomposition and reconstruction process, the wavelet multi-layer decomposition and structure)

this is program for amplitude shift keying

说明：  短时傅立叶变换程序，可得信号时频曲线,希望对大家有所帮助(Short time Fourier transform procedure can be time-frequency curve, we hope to help)

Lyapunov指数程序。适合初学者，可以直接通过替换方程，来进行计算。清晰实用。 (Lyapunov index procedure. For beginners, you can directly replace the equation to calculate. Clear and practical.)

An example of Chaos Theory application

kpss test matlab- useful econometric tool

Zooming an image using bilinear interpolation

说明：  比较好的学习资料 适合于初学者来学习来使用(Better learning materials suitable for beginners to learn to use)

建立小波神经网络负荷预测模型，并对小波神经网络的节点（输入层、中间层、输出层）进行选择,并选用合适的小波神经网络的训练函数,提高收敛速度和负荷预测精度。(The establishment of wavelet neural network load forecasting model, and wavelet neural network nodes (input layer, middle layer, output layer) to select and choose the appropriate wavelet neural network training function to improve the convergence speed and the load forecast accuracy.)