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watermarking_mpeg2_research_paper
The research paper on the watermarking algorithms for compressed video MPEG-2
- 2009-09-23 13:39:39下载
- 积分：1
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2d--FEM
二维简单理想导体方柱在MATLAB环境下实现自动剖分，编码。自己整合方程并且求解，得到各点的场值(Simple two-dimensional perfectly conducting square cylinder in the MATLAB environment for automatic generation, coding. Their integration and for solving equations, the various points of market value)
- 2008-06-04 16:30:01下载
- 积分：1
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viterbi
卷积码的详细维特比译码,适合初学者 (For more than Witte convolution code decoding, suitable for beginners)
- 2014-09-29 20:17:34下载
- 积分：1
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Chapter1
现代通信系统使用MATLAB一书中第一章的所有程序，书的作者是刘树堂(Modern communication systems using MATLAB, a book of all programs, the author of the book is LIU Shu-tang)
- 2012-05-30 14:07:55下载
- 积分：1
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Crossing
基于matlab平台上实现的遗传算法交叉算子操作，实现的是对自然数编码的两点交叉。代码无错，可以直接运行。(Based on matlab platform to achieve crossover genetic algorithm operations, the realization of the two-point crossover natural number coding. Code is error-free, can be directly run.)
- 2013-10-11 00:09:52下载
- 积分：1
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dialing
数字信号处理实验作业，用matlab实现电话拨号音的合成与识别，要求具有GUI界面，绘制拨号键的频谱(Digital signal processing experimental work, synthesis and recognition using matlab realize the telephone dial tone, requires a GUI interface, rendering the spectrum dial keys)
- 2015-04-11 14:50:38下载
- 积分：1
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jiefangcheng
利用matlab实现各种方程如线性微分方程的模拟。具有一定的算法(Using matlab to achieve a variety of equations such as the linear differential equation simulation. Algorithm has certain)
- 2008-05-04 11:25:04下载
- 积分：1
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empty
keyishuoshihenlihaidesuanfale
- 2020-06-23 11:00:02下载
- 积分：1
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图11-2-6DOG小波时域和频域波形
说明： 用matlab观察DOG小波时域和频域波形(using Matlab observation DOG wavelet time domain and frequency domain waveform)
- 2006-01-04 22:35:44下载
- 积分：1
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11
说明： 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 23:20:03下载
- 积分：1
