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expanderINT16clip
模拟语音信号的动态范围解压缩算法的matlab源码(Analog voice signal dynamic range compression algorithm solution matlab source)
- 2007-08-23 11:32:58下载
- 积分：1
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Grove
量子计算matlab程序，包含量子蚁群算法程序，量子grove算法程序，量子神经网络算法程序等。(Quantum computing matlab procedures, including quantum ant colony algorithm, quantum grove algorithm, quantum neural network algorithm procedures.)
- 2021-03-14 09:59:24下载
- 积分：1
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Practice2
根据学生两次考试成绩的数据来预测学生是否能被大学录取，用逻辑斯蒂回归算法实现，分别执行梯度下降算法、随机梯度下降算法、牛顿法(According student test scores twice to predict whether the student can be admitted to universities, implemented in logistic regression algorithm.)
- 2020-12-17 20:39:11下载
- 积分：1
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MC_QPSKModDemod_ShapeAndMatch
说明： 此程序描述了QPSK调制解调的过程，包括成形与匹配滤波，最后给出解调误码率。(This program describes the process of QPSK modulation and demodulation, including shaping and matching filtering, and finally gives the demodulation error rate.)
- 2020-06-27 23:35:52下载
- 积分：1
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li9_23
clear all
I=imread( lena.bmp )
figure imshow(I)
I2=imrotate(I,-4, bilinear ) 逆时针旋转4度
figure imshow(I2)
I3=fliplr(I) 垂直镜像
figure imshow(I3)
I4=imresize(I,0.5, bilinear ) 缩小为原图的1/2
figure imshow(I4)
A=double(I) 转换为double类型
计算7个不变矩
[nc,nr]=size(A)
[x,y]=meshgrid(1:nr,1:nc) 得到网格
x=x(:)
y=y(:)
A=A(:)
m.m00=sum(A)
if m.m00==0
m.m00=eps
end
m.m10=sum(x.*A)
m.m01=sum(y.*A)
计算均值
xmean=m.m10/m.m00
ymean=m.m01/m.m00
计算中心矩(li9_23.rar
cm.cm00=m.m00
cm.cm02=(sum((y-ymean).^2.*A))/(m.m00^2)
cm.cm03=(sum((y-ymean).^3.*A))/(m.m00^2.5)
cm.cm11=(sum((x-xmean).*(y-ymean).*A))/(m.m00^2)
cm.cm12=(sum((x-xmean).*(y-ymean).^2.*A))/(m.m00^2.5)
cm.cm20=(sum((x-xmean).^2.*A))/(m.m00^2)
cm.cm21=(sum((x-xmean).^2.*(y-ymean).*A))/(m.m00^2.5)
cm.cm30=(sum((x-xmean).^3.*A))/(m.m00^2.5)
im(1)=cm.cm20+cm.cm02
im(2)=(cm.cm20-cm.cm02)^2+4*cm.cm11^2
im(3)=(cm.cm30-3*cm.cm12)^2+(3*cm.cm21-cm.cm03)^2
im(4)=(cm.cm30+cm.cm12)^2+(cm.cm21+cm.cm03)^2
im(5)=(cm.cm30-3*cm.cm12)*(cm.cm30+cm.cm12)...
*((cm.cm30+cm.cm12)^2-3*(cm.cm21+cm.cm03)^2)...
+(3*cm.cm21-cm.cm03)*(cm.cm21+cm.cm03)...
+(3*(cm.cm30+cm.cm12)^2-(cm.cm21+cm.cm03)^2)
im(6)=(cm.cm20-cm.cm02)*((cm.cm30+cm.cm12)^2-(cm.cm21+cm.cm03)^2)...
+4*cm.cm11*(cm.cm30+cm.cm12)*(cm.cm21+cm.cm03)
im(7)=(3*cm.cm21-cm.cm03)*(cm.cm30+cm.cm12)...
*((cm.cm30+cm.cm12)^2-3*(cm.cm21+cm.cm03)^2)...
+(3*cm.cm12-cm.cm30)*(cm.cm21+cm.cm03)...
*()
- 2010-10-17 21:53:14下载
- 积分：1
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diedai
无线通信MIMO系统中三节点预编码问题的最优化迭代的解决方案的仿真(Three-node precoding problem in MIMO wireless communication system simulation optimization iteration solution
)
- 2013-03-27 21:41:16下载
- 积分：1
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image-fusion-conturlet
基于conturlet变换的图像融合,利用conturlet还变来对图形进行处理并融合(Transform based image fusion conturlet transform based image fusion conturlet transform based image fusion conturlet)
- 2015-04-07 22:01:53下载
- 积分：1
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Solar_light
solar based charging program.
Automatic on , off control and charging control.
- 2014-07-14 19:27:05下载
- 积分：1
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vad
基于双门限比较法的端点检测程序，使用matlab7编写！(Comparison method based on double threshold endpoint testing procedures, the use matlab7 write!)
- 2010-09-14 11:15:17下载
- 积分：1
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LDAandPCA
站长！这是使用LDA和PCA模式识别方法对人脸特征进行提取计算的Matlab程序框架，比较好！(head! This is the LDA and the use of pattern recognition methods on PCA Facial Feature Extraction for the Matlab program, good!)
- 2006-05-17 18:40:33下载
- 积分：1
