matlabwork0

这是一本关于Windows下内存映射文件相关内容的书籍， 通过它可以操作文件，它的速度是I/O操作的20倍，及其适合大文件的操作(This is a book about Windows memory mapping document of relevant books, through which it can file, its speed is I/O operation20 times, and is suitable for large files )

用Visual Basic实现串行通信及其在直流调速系统中的应用.pdf(with Visual Basic and its serial communication system DC converter applications. Pdf)

碰撞库含有很多的碰撞例子，可以直接使用！方便在学习碰撞中的各位同仁！(Library contains a lot of the collision of a collision example, can use directly!!!!! In the study of the convenient collision colleagues!!!!!)

Matlab与VC接口在图像及数据处理中的应用,需要的下(Matlab and VC interfaces in image and data processing needs of next)

Modul convertion Gregorian Date to Lunar Date Visual Basic 6.0.

该程序是一个matlab与C++混合编程的例子，用matlab引擎在c++中调用matlab程序(that the procedure was a mixed Matlab and C programming examples, Matlab engine used in c Calling Matlab procedures)

ZEMAX是美国 Radiant Zemax 公司所发展出的光学设计软件，可做光学组件设计与照明系统的照度分析，也可建立反射，折射，绕射等光学模型，并结合优化，公差等分析功能，是套可以运算sequential及Non-Sequential的软件。(ZEMAX is a wonderful too for designing light .)

推算表,还没有写完,下面没有了思路了,我会继续写完他的.(Projection table, has not yet finished, the following no idea, and I will continue to finish him.)

选主元的高斯消元法，用于求解线性方程组。很方便！基于c++开发。(Selected principal component of the Gaussian elimination method for solving linear equations. Very convenient! Based on c++ development.)

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 ) )