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MemoryFile
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
)
- 2012-06-14 15:59:44下载
- 积分:1
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shixianchuankou
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)
- 2006-06-02 15:26:42下载
- 积分:1
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Collision-library
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!!!!!)
- 2011-10-28 16:23:59下载
- 积分:1
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MatlabandVCinterfacesinimageanddataprocessing
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)
- 2010-05-08 11:59:14下载
- 积分:1
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modLunarCalendarInEnglish
Modul convertion Gregorian Date to Lunar Date Visual Basic 6.0.
- 2015-03-18 16:56:13下载
- 积分:1
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matlabenginetest
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)
- 2007-05-11 17:19:53下载
- 积分:1
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zmax2005
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 .)
- 2013-12-27 20:23:00下载
- 积分:1
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123
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.)
- 2009-12-28 15:50:13下载
- 积分:1
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Gaussc
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.)
- 2010-03-03 10:41:17下载
- 积分:1
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example4_4
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 )
)
- 2010-05-25 20:59:03下载
- 积分:1