-
PSNR
求图像的峰值信噪比PSNR,下载可以直接使用,希望能够帮助需要的同学(The peak signal to noise ratio of PSNR for the image.Download can be used directly, hope to help students in need.)
- 2015-04-13 14:45:45下载
- 积分:1
-
example1
说明: matlab与dsp之间进行udp通信的matlab程序,包含了自己的理解注释,可以实现简单的报文接收,并可以根据自己的需要进行实时的matlab报文数据处理解析。欢迎交流。(Matlab program for UDP communication between MATLAB and DSP contains its own understanding notes, which can realize simple message receiving and real-time matlab message data processing and analysis according to their own needs.)
- 2020-12-01 21:48:56下载
- 积分:1
-
simplex
this program tries to find optimum point
- 2011-07-29 20:34:13下载
- 积分:1
-
SimDFIG
A new Simpow model DFIG - Doubly-fed Induction Generator
- 2012-07-22 21:25:56下载
- 积分:1
-
kNN
Facial Recognition program kNN
- 2013-12-17 16:24:49下载
- 积分:1
-
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
-
bisect
bisection method - use a root in polynomial or function / iterative method
- 2011-12-13 20:07:08下载
- 积分:1
-
GPSposition
本程序包主要有5个函数,分别实现了大地坐标与WGS84坐标的转换,卫星位置计算,电离层延迟模型,对流层延迟模型(Delay_of_ionosphere()Delay_of_troposphere( )
GetSVPos()
BLH_to_WGS84( B,L,H )
WGS84_to_BLH(X,Y,Z))
- 2015-09-08 14:51:36下载
- 积分:1
-
tri
在对角元没有作用的情况下,提取三对角矩阵(get a tridiagonal matrix )
- 2015-10-11 12:39:00下载
- 积分:1
-
music_8ula
利用MUSIC算法对空间来波方向进行估计,并且结合空间平滑技术实现对空间相干源的DOA估计(MUSIC algorithm for use of space DOA estimation, and combined with spatial smoothing technique for spatial coherence source implementation of the DOA estimates)
- 2009-04-08 15:08:50下载
- 积分:1