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Hagness_1D
在MATLAB中，进行FDTD仿真一维电磁波的传播。(In MALLAB, FDTD Simulation for Electromagnetic Wave.)
- 2009-04-11 09:48:13下载
- 积分：1
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ofdmudcoom
国外大学的同志作出来的好程序，欢迎大家来感受国外的编程思想(Foreign universities to comrades made a good procedure, welcomed everyone to the feelings of foreign programming ideas)
- 2008-03-29 17:23:37下载
- 积分：1
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dct
M=512 原图像长度
N=64
K=8
I=zeros(M,M)
J=zeros(N,N)
BLOCK=zeros(K,K)
显示原图像
I=imread( f:ceshiyuanshitu.bmp )
figure
imshow(I)
xlabel( 原始图像 )
显示水印图像
J=imread( f:ceshilogistic_nuaa64.bmp )
figure
imshow(J)
xlabel( 水印图像 )
嵌入水印
tem=1
for p=1:N
for q=1:N
x=(p-1)*K+1
y=(q-1)*K+1
BLOCK=I(x:x+K-1,y:y+K-1)
BLOCK=dct2(BLOCK)
if J(p,q)==0
a=-1
else
a=1
end
BLOCK(2,1)=BLOCK(2,1)*(1+a*0.01)
BLOCK=idct2(BLOCK)
I(x:x+K-1,y:y+K-1)=BLOCK
end
end
显示嵌入水印后的图像
figure
imshow(I)
xlabel( 嵌入水印后的图像 )
imwrite(I, f:ceshiembedded.bmp )
- 2010-06-13 18:43:39下载
- 积分：1
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QAM
QAM simulation using a carrier cosine wave with ISI
- 2009-03-17 19:10:56下载
- 积分：1
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MIT6_011S10_chap11
Dsp Course lec 11 DSP course
- 2011-11-07 23:35:52下载
- 积分：1
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circular-waveguide_mode
计算圆波导模式（例如TE21、TM11，可以输入不同的m、n值）的场分布。(Calculate the circular waveguide mode (eg TE21, TM11, you can enter a different m, n value) field distribution.)
- 2013-12-03 21:37:34下载
- 积分：1
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ANNPID
分别采用4种控制律进行单神经元PID控制,即无监督的Hebb学习规则、有监督的Delta学习规则、有监督的Hebb学习规则、改进的Hebb学习规则.(Separately using four kinds of control laws for single neuron PID control, that is, unsupervised Hebb learning rules, there is the Delta Study supervision rules, there is supervised Hebb learning rule to improve the Hebb learning rule.)
- 2009-03-24 18:23:38下载
- 积分：1
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moxing
太阳能电池组件模型，能实现光伏特性曲线，以便研究光伏系统作为前端输入(Solar cell module model, can realize the photovoltaic characteristic curve, so that the photovoltaic system as a front input
)
- 2011-12-30 16:50:37下载
- 积分：1
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Communications-Toolbox-4.2
通信系统工具箱 4.2 是通信系统仿真必备的工具 很全 分方便(Communications System Toolbox 4.2 is an essential tool for communication system simulation is the whole convenience )
- 2021-03-21 10:09:17下载
- 积分：1
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powerflow
潮流计算牛拉法和PQ分解法有详细解析，电力系统的基本潮流都有解析，纯手工(Flow Calculation cattle Rafah and PQ decomposition method has a detailed analysis)
- 2016-12-26 22:34:24下载
- 积分：1
