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SAR雷达点目标仿真与实测数据处理

于 2021-03-29 发布

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下载积分: 1 下载次数: 13

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代码说明：

说明：基于距离多普勒算法和CS算法实现SAR点目标仿真与实测数据处理(Realization of SAR Point Target Simulation and real data processing)

文件列表：

实验代码\实测数据处理\Contrast.m, 160 , 2017-04-11
实验代码\实测数据处理\data_Raw.mat, 23244685 , 2016-12-01
实验代码\实测数据处理\Entropy.m, 167 , 2017-04-10
实验代码\实测数据处理\ftx.m, 79 , 2005-03-27
实验代码\实测数据处理\fty.m, 79 , 2017-02-22
实验代码\实测数据处理\iftx.m, 81 , 2005-03-27
实验代码\实测数据处理\ifty.m, 84 , 2017-02-22
实验代码\实测数据处理\SAR_CS.m, 3453 , 2020-06-02
实验代码\点目标仿真\ftx.m, 79 , 2005-03-27
实验代码\点目标仿真\fty.m, 79 , 2017-02-22
实验代码\点目标仿真\iftx.m, 81 , 2005-03-27
实验代码\点目标仿真\ifty.m, 84 , 2017-02-22
实验代码\点目标仿真\SAR_RD_nni.m, 4939 , 2020-06-02
实验代码\点目标仿真\SAR_RD_sinc.m, 4942 , 2020-06-02
实验代码\实测数据处理, 0 , 2020-06-02
实验代码\点目标仿真, 0 , 2020-06-02
实验代码, 0 , 2020-05-30

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Multiscale-Normalized-Cuts-
图像处理中的多尺度分割程序，使用matlab开发环境(Image processing procedures for multiscale segmentation)

2011-07-13 10:59:42下载

积分：1
Application_study_of_wavelet_analysis_on_ultrasoni
说明：：在深海采矿环境中超声波传输介质里存在着大量气泡、扰动沉积物、机械噪声等背景噪声与混响，导致有用信号与高噪声信号迭加在一起，严重影响了测距精度。采用小波分析方法将超声回波信号进行3层小波分解，适当设置门限阈值对小波系数进行处理，然后对信号进行重构，有效地抑制了信号中噪声对测量精度的影响。研究结果表明：小波方法有很好的降低回波信号中噪声的效果，其测距精度高于自适应滤波去噪后的测距精度。(There are much background and mixture noise in the course of ultrasonic wave transmission under deep sea mining environment，such as air bubbles and disturbed sediment and mechanical noise．Because of these factors， the useful signals and the high noise signals are combined together，which seriously affects the distance measurement precision．Ultrasonic echo signals are decomposed into three layer wavelets，and a threshold is set to process the wavelet coeficients．Then the signals are reconstructed．Accordingly the influence of environment noise on distance measurement precision is effectively restrained．Research resuhs indicate that wavelet transform method is very useful for noise reduction in signals．Its precision is higher than that of the adaptive filtering method．)

2010-04-24 08:14:49下载

积分：1
singgle_picture
说明：基于单幅图的非均匀校正算法，包括OMP和GPSR的重构算法(Nonuniformity correction algorithm based on single image)

2020-04-26 14:36:44下载

积分：1
dt-cwt
它不仅具有Gabor变换的六个方向选择性,而且有更小的冗余度(It is not only selective Gabor Transform six directions, but also smaller redundancy )

2011-08-17 10:18:28下载

积分：1
Image-segmentation-based-on-texture
利用灰度图建共生矩阵利用特征值对纹理图像分割(The use of grayscale co-occurrence matrix to build the use of characteristic values of the texture map would like to partition)

2016-04-05 15:40:46下载

积分：1
attack
这写程序是对加水印之后图像的攻击，包括加噪声，各种滤波，剪切，压缩攻击和旋转等。(This writing process is a plus watermark image after the attacks, including the increase in noise, various filtering, shear, compression and rotation attacks.)

2007-10-18 18:42:57下载

积分：1
MNF
高光谱图像MNF算法，实现高光谱图像的去噪，注释详尽(Hyperspectral image MNF algorithm to achieve denoising hyperspectral images, detailed comments)

2021-04-12 15:58:57下载

积分：1
Visual.Assist.X.v10.5.1715.0
本文针对多光谱图像配准中不同光谱图像间存在较大的灰度差异、同一景物在不同波段表现的特征也各不相同等问题，提出了基于互信息相似性测度的多光谱图像配准算法。(In this paper, multi-spectral image registration between different spectral image there is a big difference in gray scale, the same scene in different bands performance characteristics are different questions, we present a similarity measure based on mutual information of multi-spectral image registration algorithm .)

2010-09-07 11:54:35下载

积分：1
circledetect
hough变换检测圆的函数。做图像处理的人可以用来参考。(hough transform round detection function. Do the image processing can be used for reference.)

2006-12-04 12:35:53下载

积分：1
SVD-based-watermarking
基于SVD的DCT域和DWT域的经典水印算法，该算法通过提取水印水印的主成分并把该主成分嵌入到奇异值矩阵，鲁邦性非常高。(the principal components of the watermark are embedded into the host image in discrete cosine transform (DCT) and for the second method, those are embedded into the host image in discrete wavelets transform (DWT). To improve the robustness, the particle swarm optimization (PSO) is used for finding the suitable scaling factors. )

2020-09-01 17:48:08下载

积分：1

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