PCA

matlab编的水平集分割的一些好东东, 适用于模糊图像的目标提取，希望能共勉(some program of matlab for image segmentation and small target extraction)

建于眉山的同相供电装置相应的电能质量计算程序。(Built in Meishan calculated phase power supply device power quality program.)

Matlab工程实践课程实验PPT以及部分代码。(Matlab engineering practice course experiment PPT and some code.)

Fast video loading code do background subtraction subtracting all frames from first frame and show the result video so fast

Addition and multiplication of signals may favour Quality improvement, such as noise reduction, image enhancement, and echo cancellation

matlab 统计分析与应用 40个案例分析(Statistical analysis and application of 40 case studies)

实现交叉互联电缆的仿真模拟, 测量交叉互联电缆各相的电压电流波形(analyze the cross bonded cable)

bpsk is binary phase shift keying modulation technique.

说明：  电机参数 鼠笼异步电机 基本参数：Pn=2200W Un=380V fn=50Hz J=0.19Kg·m2 磁极对数p=2 定子电阻：0.435ohm 电感0.002H 转子电阻：0.816ohm 电感0.002H Lr=Lm+Llr=0.069+0.002=0.071 励磁电感：Lm=0.069H Tr=0.087=Lr/Rr=0.071/0.816 调节器参考值 ASR的 Kp=3.8 Ki=0.8 积分器限幅-80~80 调节器输出限幅-75~75 ATR的 Kp=4.5 Ki=12 积分器限幅-65~65 调节器输出限幅-60~60 APhirR的 Kp=1.8 Ki=100 积分器限幅-15~15 调节器输出限幅-13~13 给定转速为1000转 空载启动 在0.6s时加载55N·m的负载 如果积分没有初值 那么这个积分没有办法计算(Squirrel cage asynchronous motor)

duffing混沌阵子系统的matlab仿真图。通过参数选择实现无噪声，白噪声，色噪声条件下的微弱信号检测。(duffing matlab simulation of chaotic time around the system map. Through the parameters to achieve,no noise, white noise, colored noise of the weak signal detection.)