搜索结果: 1-12 共查到“PolInSAR”相关记录12条 . 查询时间(0.062 秒)
IMPROVED MODEL-BASED POLARIMETRIC DECOMPOSITION USING THE POlINSAR SIMILARITY PARAMETER
Model based decomposition orientation angle Polarimetric SAR Interferometry polarimetric interferometric similarity parameter Volume model
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2016/11/24
In this paper, we present a new approach to solve the problem of volume scattering ambiguity in urban area, for that we propose a volume model based on the polarimetric interferometric similarity para...
A HYBRID METHOD IN VEGETATION HEIGHT ESTIMATION USING POLINSAR IMAGES OF CAMPAIGN BIOSAR
PolInSAR Forest height estimation model-based decomposition Campaign BioSAR
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2016/1/15
Recently, there have been plenty of researches on the retrieval of forest height by PolInSAR data. This paper aims at the evaluation of a hybrid method in vegetation height estimation based on L-band ...
The thematic information extraction from polinsar data for urban planning and management
Pi-SAR Polarimetry Interferometry
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2015/8/20
The aim of this study is to demonstrate the use of Pi-SAR (polarimetric and interferometric synthetic aperture radar) data for the
extraction of different thematic information for urban planning and ...
Extracting DEM from airborne X-band data based on PolInSAR
Polarimetric Interferometric Synthetic Aperture Radar DEM Coherence optimization Airborne X-band data
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2015/7/27
Polarimetric Interferometric Synthetic Aperture Radar (PolInSAR) is a new trend of SAR remote sensing technology which combined polarized multichannel information and Interferometric information. It i...
Improvement of Forest Height Retrieval By Integration of Dual-Baseline PolInSAR Data And External DEM Data
Forest height retrieval Polarimetric synthetic aperture radar interferometry (PolInSAR) Sloped-Random volume over ground(S- RVoG) Dual-baseline
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2015/7/27
In recent years, a lot of studies have shown that polarimetric synthetic aperture radar interferometry (PolInSAR) is a powerful technique for forest height mapping and monitoring. However, few researc...
POLINSAR Coherence-Based Regression Analysis of Forest Biomass Using RADARSAT-2 Datasets
Backscatter Complex coherence Forest biomass Polarimetric Interferometric SAR (POLINSAR)
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2014/12/16
Forests play a pivotal role in synchronizing earth’s carbon cycle by absorbing carbon from the atmosphere and storing it in the form of biomass. Researchers today are trying to understand the climatic...
复数域最小二乘平差及其在POLInSAR植被高反演中的应用
测量平差 复数域最小二乘 极化干涉SAR 植被高反演 三阶段算法
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2014/4/9
传统的测量观测值都是实数，因此测量平差都是在实数空间中进行的。然而，随着科学技术的快速发展，现代测绘领域中出现了一些用复数表示的观测数据。与实数数据一样，这些复数数据同样面临着如何从带有误差的观测值中找出未知量的最佳估计值的问题。但目前涉及复数观测的数据处理时，主要还是依据观测过程，分步或直接解算，不能考虑观测误差、多余观测信息等。针对这一情况，本文介绍了复数域中数据处理的最小二乘方法，试图将测量...
POLINSAR EXPERIMENTS OF MULTI-MODE X-BAND DATA OVER SOUTH AREA OF CHINA
PolInSAR land classification objects detection DSM mapping
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2014/4/29
This paper makes the polarimetric and polarimetric interferometric synthetic aperture radar (PolInSAR) experiments with the high-resolution X-band data acquired by Multi-mode airborne SAR system over ...
基于模糊聚类的PolInSAR数据非监督分类方法
极化干涉合成孔径雷达 非监督分类 模糊聚类 最优相干
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2013/5/13
提出了一种结合Freeman分解和模糊聚类的极化干涉合成孔径雷达(polarimetric interferometric synthetic aperture radar, PolInSAR)数据非监督分类方法。针对基于Freeman分解的极化SAR图像分类方法中提取的3种散射机理：表面散射、体散射、偶次散射占主导的区域之间存在模糊的缺点，利用PolInSAR处理中的最优干涉相干系数引入的参数—...
PolInSAR极化误差对最优相干相位的影响研究
极化干涉SAR 极化干涉相干最优 极化误差 误差传递模型
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2011/5/19
极化干涉SAR定量应用中，极化误差会导致最优干涉相位估计误差。该文研究了极化干涉SAR测量处理中极化误差的传递，基于极化相干最优过程理论提出了一个新极化误差传递模型。在此基础上通过仿真验证并分析了极化误差对极化干涉最优干涉相位估计的影响，其结论能为在实际应用中进行精度分析和提出定标指标要求提供理论依据和参考。
基于模糊聚类的PolInSAR数据非监督分类方法
极化干涉合成孔径雷达 非监督分类 模糊聚类 最优相干
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2013/8/10
提出了一种结合Freeman分解和模糊聚类的极化干涉合成孔径雷达(polarimetric interferometric synthetic aperture radar, PolInSAR)数据非监督分类方法。针对基于Freeman分解的极化SAR图像分类方法中提取的3种散射机理：表面散射、体散射、偶次散射占主导的区域之间存在模糊的缺点，利用PolInSAR处理中的最优干涉相干系数引入的参数—...