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encryp
two-dimensional maps on a torus or on a square to
create new symmetric block encryption schemes. The
schemes are especially useful for encryption of large
amounts of data, such as digital images or electronic
databases.
- 2012-09-21 03:58:36下载
- 积分:1
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EEE-212-lab-sheet
empirical formula with kaiser
clc
clear all
fs=1000
fc=250
df=50
r=0.001
f=fc/fs
dw=2*pi*(df/fs)
a=-20*log(r)
n=floor(((a-8)/(2.285*dw))+1)
if a>50
b=0.1102*(a-8.7)
elseif a>=21 && a<=50
b=0.5842*((a-21)^0.4)+0.07886*(a-21)
elseif a<21
b=0.0
end
w=kaiser(n,b)
for i=1:n
if i~=(n-1)/2
hd(i)= (2*f*sin((i-((n-1)/2))*2*pi*f))/((i-((n-1)/2))*2*pi*f)
elseif i==(n-1)/2
hd(i)=2*f
end
end
for j=1:n
h(j)=w(j)*hd(j)
end
subplot(3,1,1), plot(w)
subplot(3,1,2), plot(h)
subplot(3,1,3), plot(h,n)
- 2014-12-24 23:21:13下载
- 积分:1
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Standard-Leach
finds dis between 2 nodes and how to join cluster
- 2012-11-27 21:52:58下载
- 积分:1
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Matlab-Genetic-Algorithms
MATLAB平台实现遗传算法 包括遗传算法与遗传算法以及遗传算法(Genetic algorithms and genetic algorithms and genetic algorithm based on MATLAB platform, including genetic algorithm)
- 2014-04-14 16:19:14下载
- 积分:1
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matlab_oringin_code
matlab常用程序的源代码,以及演示(matlab source code for common procedures, and presentation)
- 2013-07-11 23:03:49下载
- 积分:1
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imagecompression
Demonstrates image compression that can use in image processing
- 2010-11-06 22:25:04下载
- 积分:1
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GUI
GUI示例,包括基本的GUI和右键弹出菜单的简单例子(GUI examples, including basic GUI and a simple example of the context menu)
- 2013-08-16 20:14:17下载
- 积分:1
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cnet
(eccv10)Features Image Matching[matlab]源代码((eccv10)Features Image Matching[matlab])
- 2013-11-06 14:21:19下载
- 积分:1
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11
说明: matlab的数字信号处理及其实现。对入门的朋友很好,有很多例子(matlab digital signal processing and its realization. A good friend of entry, there are many examples of)
- 2008-11-03 22:56:50下载
- 积分:1
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finitdif
This program computes finite difference formulas of general order.
- 2012-08-19 21:02:43下载
- 积分:1