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long
输入一列整数,选择需要求子列的长度。在求最长子列,(Enter a list of integers, select the Child-giving the length of the column. Having failed to achieve the longest sub-columns,)
- 2009-11-18 11:53:11下载
- 积分:1
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example4_3
例3:分析占空比为ta的矩形脉冲频谱
T=1 时间窗大小
ta=0.5 占空比
N=256
t=linspace(-T,T,N)
ts=2*T/N
fs=1/ts
(x=zeros(1,N)
x(N/2-round(N/2*ta):N/2+round(N/2*ta))=ones(1,2*round(N/2*ta)+1)
y=fft(x,N)
figure
plot(t,x)
title([ 时域信号图 占空比为 ,num2str(ta)])
axis([-T T-0.2 1.2])
xlabel( t /s )
figure
subplot(211)
f=linspace(-fs/2,fs/2,N)
plot(f,abs(fftshift(y))/N)
title([ 矩形脉冲双边谱 脉冲时间t=[- ,num2str(ta*T), , ,num2str(ta*T), ] ])
xlabel( f /Hz )
)
- 2010-05-25 20:59:59下载
- 积分:1
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uml_design
说明: 我把以前写的 C# 版的Rose 共享出来供别人学习参考。很具有学习参考价值主要涉及 GDI+ ,软件架构,和界面。对初学者很有帮助(I have previously written in C# Version of Rose shared out for others to learn from the reference. With learning reference value is mainly related to GDI+, Software architecture, and interface. Very helpful for beginners)
- 2008-11-08 20:17:11下载
- 积分:1
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wavelet_dwt
小波DWT变换,一般大家是用matlab实现,但是这段程序是用c语言编写。(wavelet dwt)
- 2009-12-24 10:33:50下载
- 积分:1
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matlab-json-master
This package contains Matlab class to serialize/decode matlab object in
json format. The software uses org.json java package to convert json to
java object and then translates it into Matlab object.
- 2013-09-28 06:38:56下载
- 积分:1
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nengliangjiance-
可模拟能量检测 在任职无线网络中的频谱感知中有重要应用(Can simulate the energy detection in wireless networks in office, there are important applications of the spectrum sensing)
- 2011-04-22 15:14:08下载
- 积分:1
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math
离散数学用matlab实现,包括手实例(about matlab,about sign)
- 2012-10-01 12:51:10下载
- 积分:1
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matlab-utility-functions-summary
MATLAB工具函数汇总。对参加数学建模用MATLAB写程序很有帮助(matlab utility functions summary。)
- 2014-09-11 11:45:50下载
- 积分:1
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The-ant-algorithm-matlab-simulation
The ant algorithm matlab simulation(The ant algorithm matlab simulation
)
- 2011-10-15 21:09:51下载
- 积分:1
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reply_PICTURE
本程序可以显示模拟信号(this program will show an analog signal)
- 2005-03-07 17:23:45下载
- 积分:1