二次，三次B样条

加窗设计FIR滤波器，其中有矩形窗和哈明窗两种窗的加窗方法及频谱分析(Windowed FIR filter design, including rectangular window and Hamming window of Windows and both methods and spectral analysis)

用于大地高程拟合，对于大量数据局有较好拟合效果(Elevation fitting)

语音加密，利用M序列将语音信号乱序，并在收端进行还原。(Speech encryption, using M sequence to disorderly speech signal, and restore at the receiving end.)

一章关于matlab图形与图像的资料，对初学者非常有用，有学习的价值。(A chapter on matlab graphics and image information is very useful for beginners, the value of learning.)

This is a Matlab program. It creates the checkerbox images for image processing and test applications.

pls算法工具箱。偏最小二乘回归≈多元线性回归分析＋典型相关分析＋主成分分析 (pls algorithm toolbox. Partial least-squares regression ≈ multiple linear regression analysis, canonical correlation analysis++ Principal component analysis)

this is matlab codes

This a plat for for computing NSF index in quality management of water quality.

Places information on a communications pipe. When two threads want to pass data back and forth, one creates a piped writer and the other creates a piped reader.

基于matlab的高斯光束及传输特性分析。掌握高斯光束的光强分布特点及传播过程中光强的变化(Analysis of Gaussian beam and transmission characteristics based on matlab. Grasp the characteristics of intensity distribution of Gauss beams and the change of light intensity during propagation)