bianshi1

通过四点贝塞尔曲线来拟合曲线的代码，参数可以相应改变(four points bezier fitting)

说明：  北航数值分析大作业第一题：矩阵的QR分解求特征向量。代码是我在理学院本科期间写的，所有结果已经过Matlab及Mathematica验证，保证算法正确实现。(Numerical analysis of Beihang great job the first question: QR decomposition of matrix eigenvector. Code is written during my undergraduate logical Institute, all results have been verified through Matlab and Mathematica, to ensure it is correct to achieve.)

Image crop in matlab

本代码可以实现CIC的抽取滤波功能，性能很好(This code implements the CIC decimation function, performance is very good)

说明：  Theoretical analysis and experimental results show that the algorithm has large key space, high sensitivity, and high speed.

test file for matlab kalman filter

da2ac average model for PV cell

说明：  轮式机器人差速控制的矩形轨迹算法程序，代码简单易上手。(Rectangular trajectory algorithm program for differential control of wheeled robots.)

说明：  use to calculated the PTDF matrix.

说明：  机械故障诊断方法，包含小波分析，小波包分析，支持向量机等多种分析方法程序。(Mechanical fault diagnosis methods, including wavelet analysis, wavelet packet analysis, support vector machine and other analysis methods.)