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turbomatlab
matlab实现的turbo编译码仿真。是一款很好的算法实现代码(matlab implementation of the turbo codec simulation. Algorithm is a very good code)
- 2010-12-02 15:45:36下载
- 积分:1
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canny
this performs a GUI based canny edge detection
- 2010-01-29 23:52:21下载
- 积分:1
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MATlab
MATLAB经典书籍电子书,希望对学习matlab的朋友有用~(a book of matlab,hoping that will be useful to matlab learners.)
- 2012-04-23 20:50:08下载
- 积分:1
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DCTlicheng
研究表明,构成K一L变换矩阵的向量也就是ToePhtz矩阵的特征向量。与此同时,离散
余弦变换矩阵逼近于ToePutz矩阵的特征向量矩阵,所以离散余弦变换矩阵与自然图像的
K一L变换矩阵十分相似。经过离散余弦变换后的变换系数块的协方差矩阵Cy非常接近对角
阵,即除了对角线元素以外,其它很多元素都近似为0,并且在左上角集中了主要能量。这
反映了自然图像大部分区域变化不大,亮度突变只占少数,即图像能量以低频成分为主的特
性。通过变换后的量化,舍弃对视觉效果影响较小的次要信息,可达到进一步的压缩效果。
虽然从去相关性能的意义上讲,DCT是一种次于K一L变换的准最佳变换,但是从算法实现的角度来看,DCT则远远优于K一L变换。首先,当图像的分块大小确定后,DCT的变换矩阵也就随之确定了,不随输入信号的统计特性变化而变化 其次,二维DCT能够分解成两次一维DCT,有利于硬件实现。
(Studies have shown that constitute a K L transformation matrix vector is ToePhtz eigenvector of the matrix. At the same time, discrete
The cosine transform matrix approximation in ToePutz matrix eigenvector matrix, so the discrete cosine transform matrix and natural images
Is very similar to a K L transformation matrix. After discrete cosine transform, the transform coefficient block of Cy is very close to the diagonal of covariance matrix
Matrix, namely except diagonal elements, many other elements are approximate to 0, and focused the main energy in the upper left corner. this
Reflects the natural images most area changed little, brightness mutations accounted for only a few, the energy is given priority to with low frequency components of image
Sex. Through quantitative after transformation, abandoning smaller effect on the visual performance of secondary information, can achieve further compression effect.
Although from related to the performance of the sense, DCT is a kind o)
- 2013-11-25 16:00:24下载
- 积分:1
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ecwf(1)
LMS ALGORITHM CODE TO SUPPRESSION ECHO
- 2011-10-03 17:20:52下载
- 积分:1
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E5
说明: 数值分析方法-数据拟合-多项式数据拟合的实现(Numerical analysis method- data fit- polynomial data fitting to achieve)
- 2013-03-23 16:18:01下载
- 积分:1
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ECPoint
A Point on an Elliptic Curve in barycentric (or affine) coordinates.
- 2013-12-06 12:21:05下载
- 积分:1
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untitled1
说明: 是一个dcdc反激式开关电源设计运用matlab的simulink模块,有具体的波形和数据设置(Flyback switching power supply)
- 2020-05-13 15:52:31下载
- 积分:1
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matlab
matlab课程讲义,关于matlab入门的介绍。(Course Training Manual, matlab, matlab getting started on the introduction.)
- 2008-05-05 15:39:51下载
- 积分:1
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FSK
用matlab7.0软件对通信信号进行调制数字通信系统通信系统调制解调(PL_FSK)VHDL建模,包括发送和接受模块PL_FSK(good)
- 2009-05-16 10:05:40下载
- 积分:1