mydemo3

这个是集成的小型文档图像透视变形校正的matlab源码(This is a small integrated document image perspective distortion correction matlab source)

例4：在sinc(t)信号中叠加噪声，分析对应频谱 fs=100 采样频率,必须大于两倍基带信号最高频率 ts=1/fs 采样时间间隔 T=2 时间窗大小 ( x=x+0.1*randn(1,N) x=awgn(x,-10, measured ) figure plot(t,x) title( 时域信号图 ) xlabel( t /s ) y=fft(x,N) figure if mod(N,2)~=0 N=N-1 end f=linspace(0,fs/2,N/2) plot(f,abs(y(1:N/2))*2/N) title( 叠加噪声的sinc(t)信号频谱 ) xlabel( f /Hz ) figure y0=y(1:N/2) P=y0.*conj(y0)/N P=10*log10(P) plot(f,P) title( 功率谱 ) xlabel( f /Hz ) )

parabolic equation solver matlab code

控制工具箱的一点应用，希望对大家有所帮助，希望大家可以互相交流(toolbox control point applications, we want to help, we can hope that mutual exchanges)

second-order error-dynamics. In such a way, the mobile robot reaches its desired pose even in the case of kinematic modeling errors

说明：  通过K-L特征提取实现由六维数据降为三维(Karhunen-Loeve feature extract)

QPSK与2psk不同调制解调方案下的空时编码性能仿真分析(QPSK and space-time coding performance 2psk different modem simulation analysis under the program)

正弦信号的谱分析及提取 是一个课程设计的题目 程序能够运行 (Sinusoidal signal spectral analysis and extraction is the subject of a course design programs to run)

IPIX雷达海杂波的时频分析程序,能够在一定程度上区分海面目标和海杂波(STFT fo IPIX radar)

实现求模PI控制以及dq变换，对于学习这方面的同学很有用(PI dqtransformationg in matlab very useful)