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wanshu
说明: 一个数如果恰好等于它的因子之和,这个数就称为“完数”。例如6=1+2+3.编程
找出1000以内的所有完数。
(If a number is just equal to the sum of its factors, this number is called " End of a few." For example 6 = 1+2+3. Programmatically find all finished within a number of 1000.)
- 2011-03-30 13:03:48下载
- 积分:1
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2D_PML_fangxingzhu
二维的TM波打到一个方形的金属柱上,边界条件为PML(TM wave hit a two-dimensional square metal column, PML boundary conditions)
- 2013-11-15 09:48:55下载
- 积分:1
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7fcff53400f3
用matlab编写的空间梁单元的源程序,里面包含了单元刚度矩阵的生成(Beam Element source matlab prepared, which contains the element stiffness matrix generation)
- 2020-07-27 15:58:40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
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VC-and-Matlab-mixed-programming
VC++与Matlab混合编程的快速实现(VC++ and Matlab Fast Implementation of mixed programming)
- 2011-04-18 23:13:13下载
- 积分:1
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ARCOBJECTsCODE
ARCOBJECTs开发指南,实例的资源文件(ARCOBJECTs Development Guide, a resource document for example)
- 2007-04-26 00:07:53下载
- 积分:1
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aneos
定義如何槍在子彈內的運動規律之UDF,定義槍的構造以及邊界,設定槍的運動方式(UDF defines how the bullet in the gun law of motion, the definition of the structure and boundaries of the gun, the gun movement set)
- 2014-11-26 15:31:36下载
- 积分:1
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matlab
matlab的一些基本代码,希望对大家有用(matlab some basic code, and hope to be useful)
- 2013-02-01 14:09:48下载
- 积分:1
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CPPPPT
面向对象程序设计的优点表现在实现对现实世界客体的自然描述、可控制程序的复杂性、可增强程序的模块性、可提高程序的重用性和可改善程序的可维护性等方面。(The advantages of object-oriented program design performance in achieving a natural description of real world objects, and can control the complexity of the program, can enhance the module of the program, program would improve the reusability and maintainability can be improved, and so on.
)
- 2014-08-22 12:36:43下载
- 积分:1
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VC-a-MATLAB-programming-in-SAR
VC与MATLAB混合编程,可以用于SAR图像处理(VC mixed with the MATLAB programming, which can be used for SAR image processing)
- 2013-12-18 20:26:20下载
- 积分:1