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hyperspectral_image_read

于 2020-05-15 发布

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下载积分: 1 下载次数: 2

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代码说明：

说明： hdr格式高光谱图像matlab读取与显示，含数据集(Matlab reading and display of hyperspectral image in HDR format, including data set)

文件列表：

hyperspectral_image_read\hyperspectral_image_read\001.dat, 9251000 , 2015-04-05
hyperspectral_image_read\hyperspectral_image_read\001.dat.enp, 9543540 , 2015-04-05
hyperspectral_image_read\hyperspectral_image_read\001.hdr, 147 , 2015-04-05
hyperspectral_image_read\hyperspectral_image_read\hsi_read.m, 356 , 2017-11-18
hyperspectral_image_read\hyperspectral_image_read\readme.txt, 222 , 2017-04-20
hyperspectral_image_read\hyperspectral_image_read\__MACOSX\._92AV3C.tif, 82 , 2011-12-01
hyperspectral_image_read\hyperspectral_image_read\__MACOSX, 0 , 2015-04-14
hyperspectral_image_read\hyperspectral_image_read, 0 , 2017-11-18
hyperspectral_image_read, 0 , 2020-05-15

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随机信号功率谱分析
理解随机信号功率谱分析原理和方法。 (1) 生成信号，被淹没在在噪声中； (2) 试用周期图法估计信号的功率谱； (3) 选用不同窗，使用修正周期图法估计信号的功率谱； (4) 对一段语音信号，使用LD算法估计其功率谱； (5) 详细列出功率谱估计的步骤和原理。 (understanding of random signal power spectrum analysis principles and methods. (1) generate signals being drowned in the noise; (2) The probationary period plan estimates the signal power spectrum; (3), different windows, the use of map amendment cycle method to estimate the power spectrum signal; (4) a voice signal, the use of LD algorithm to estimate the gong spectrum; (5) a detailed breakdown of the power spectrum estimation steps and principle.)

2005-08-28 19:53:08下载

积分：1
fwdmatlabcodeusingglobalthresholding
MRI brain scan for matlab sedgmentation

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CLASSICALMUSIC1
MUSIC算法[1] 是一种基于矩阵特征空间分解的方法。从几何角度讲，信号处理的观测空间可以分解为信号子空间和噪声子空间，显然这两个空间是正交的。信号子空间由阵列接收到的数据协方差矩阵中与信号对应的特征向量组成，噪声子空间则由协方差矩阵中所有最小特征值（噪声方差）对应的特征向量组成。MUSIC算法就是利用这两个互补空间之间的正交特性来估计空间信号的方位。噪声子空间的所有向量被用来构造谱，所有空间方位谱中的峰值位置对应信号的来波方位。MUSIC算法大大提高了测向分辨率，同时适应于任意形状的天线阵列，但是原型MUSIC算法要求来波信号是不相干的。(algorithm MUSIC is a method based on matrix feature space decomposition. From a geometric point of view, the signal processing of the observation space can be decomposed into signal subspace and noise subspace, it is clear that these two spaces are orthogonal. Signal subspace by the array received data covariance matrix and signal corresponding to the feature vector and noise subspace is by the covariance matrix of all minimum feature values (noise variance) corresponding to the feature vectors are composed. MUSIC algorithm is to use the orthogonal characteristics of these two complementary space to estimate the azimuth of spatial signals. All vectors of the noise subspace are used to construct spectral, and the peak position in all spatial azimuth spectra correspond to the direction of arrival of the signal. MUSIC algorithm greatly improves the direction finding resolution, and at the same time it is suitable for the antenna array of any shape, but the prototype MUSIC algorithm requir)

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imagem polar signature matlab

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说明：半监督学习(Semi-Supervised Learning，SSL)是模式识别和机器学习领域研究的重点问题，是监督学习与无监督学习相结合的一种学习方法。半监督学习使用大量的未标记数据，以及同时使用标记数据，来进行模式识别工作。当使用半监督学习时，将会要求尽量少的人员来从事工作，同时，又能够带来比较高的准确性，因此，半监督学习目前正越来越受到人们的重视。(Semi-Supervised Learning (SSL) is a key issue in the field of pattern recognition and machine learning. It is a learning method combining supervised learning with unsupervised learning. Semi-supervised learning uses a large number of unlabeled data, as well as labeled data, for pattern recognition. When using semi-supervised learning, it will require as few people as possible to work, and at the same time, it can bring relatively high accuracy. Therefore, semi-supervised learning is receiving more and more attention.)

2021-04-12 11:28:57下载

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88124019DE
进化差分算法，遗传算法的分支，非常好，值得学习( model and its detailed introduction matlab realize)

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说明：单一变量遗传算法程序，不包含子程序 (Single variable genetic algorithm program does not contain the subroutine)

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EMD
程序运用matlab语言，读取了电流数据，并对电流数据进行了经验模态分解，观察分解各层的特征(Program using matlab language, read the current data, and current data were empirical mode decomposition, the decomposition observed characteristics of the layers)

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通过程序描述了一个浅海的地形声速剖面信息，在彩色图上画出(that give an example of SSP information)

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