搜索结果: 1-15 共查到“理学 ENVISAT”相关记录38条 . 查询时间(0.098 秒)
基于ENVISAT ASAR的海洋钻井平台遥感检测方法——以越南东南海域为例
钻井平台 目标检测 遥感 ENVISAT ASAR 恒虚警率 越南东南海域
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2014/3/14
海洋钻井平台的位置信息对溢油监测和航道安全有重要意义。针对目前海洋钻井平台遥感信息提取难、验证难的现状，根据海洋钻井平台位置基本保持不变的特性，本文提出了一种基于恒虚警率算法的海洋钻井平台提取方法。该方法包括三个主要步骤：首先利用GDEM数据制作陆地掩膜，然后基于双参数恒虚警率算法对两景成像时间靠近的ENVISAT ASAR影像进行海上目标提取，最后对两时期提取结果进行对比，去除舰船虚警目标，完成...
Mapping surface soil moisture over the Gourma mesoscale site (Mali) by using ENVISAT ASAR data
Mapping surface soil moisture Gourma mesoscale ENVISAT ASAR
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2011/3/15
The potentialities of ENVISAT ASAR (Advanced Synthetic Aperture Radar) multi-angle data for mapping surface soil moisture (SSM) in Sahelian rangelands are investigated at medium scale (30 000 km2). Th...
Mid-latitude ozone monitoring with the GOMOS-ENVISAT experiment version 5: the noise issue
Mid-latitude ozone the GOMOS-ENVISAT experiment version the noise issue
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2010/12/28
The GOMOS ozone profiles have been analysed to evaluate the GOMOS ability to capture the long-term ozone evolution at mid-latitudes during the expected recovery phase of the ozone layer. Version 5 of ...
Response of tropical stratospheric O3, NO2 and NO3 to the equatorial Quasi-Biennial Oscillation and to temperature as seen from GOMOS/ENVISAT
tropical stratospheric O3, NO2 and NO3 the equatorial Quasi-Biennial Oscillation temperature GOMOS/ENVISAT
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2010/9/21
Quasi-Biennial Oscillation signals can be found in the evolution of the three constituents up to at least 40 km. We found that NO3 is positively correlated with temperature up to 45 km in the region w...
Climatology and comparison of ozone from ENVISAT/GOMOS and SHADOZ/balloon-sonde observations in the southern tropics
ozone ENVISAT/GOMOS and SHADOZ/balloon-sonde observations the southern tropics
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2010/9/1
In this paper, the stellar occultation instrument GOMOS is compared with ozonesondes from the SHADOZ network. We only used nighttime O3 profiles and selected 8 Southern Hemisphere stations. 7 years of...
IASI-METOP and MIPAS-ENVISAT data fusion
IASI-METOP MIPAS-ENVISAT data fusion
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2010/8/13
The combination of data obtained with different sensors (data fusion) is a powerful technique that can provide target products of the best quality in terms of precision and accuracy, as well as spatia...
近岸海域EnviSat卫星测高波形重定的Threshold优化算法
卫星测高 波形重定 Threshold算法
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2010/12/27
波形重定是改善近岸海域卫星测高数据精度的一种有效方法.分析了EnviSat雷达测高波形重定算法，并对Threshold算法进行了优化，开发了波形重定程序；以地中海为实验区，利用几种波形重定方法,对近岸海域的EnviSat测高波形进行重定，认为优化的Threshold算法是几种波形重定算法中最稳健的重定算法，适合于地中海近岸海域EnviSat测高波形的重定，对其他近岸海域的应用也有一定的参考意义.
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First climatology of polar mesospheric clouds from GOMOS/ENVISAT stellar occultation instrument
polar mesospheric clouds GOMOS/ENVISAT stellar occultation instrument climatology
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2010/8/12
GOMOS (Global Ozone Monitoring by Occultation of Stars), on board the European platform ENVISAT launched in 2002, is a stellar occultation instrument combining four spectrometers and two fast photomet...
Technical note: Scintillations of the double star α Cru observed by GOMOS/Envisat
Technical note double star α Cru GOMOS/Envisat
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2009/12/3
In this paper, we discuss scintillation time-spectra of the double star α Cru, which were measured by the GOMOS/Envisat photometer. The components of α Cru are not resolved by the angular field of vie...
Comparison of NLC particle sizes derived from SCIAMACHY/Envisat observations with ground-based LIDAR measurements at ALOMAR (69°N)
NLC particle sizes SCIAMACHY/Envisat observations ground-based LIDAR measurements
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2010/2/8
SCIAMACHY, the Scanning Imaging Absorption spectroMeter for Atmospheric CHartographY has provided measurements of limb-scattered solar radiation in the 220 nm to 2380 nm wavelength range since summer ...
Validation of water vapour profiles (version 13) retrieved by the IMK/IAA scientific retrieval processor based on full resolution spectra measured by MIPAS on board Envisat
Validation water vapour profiles IMK/IAA scientific retrieval processor resolution spectra
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2010/2/8
Vertical profiles of stratospheric water vapour measured by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) with the full resolution mode between September 2002 and March 2004 an...
Carbon monoxide distributions from the upper troposphere to the mesosphere inferred from 4.7 μm non-local thermal equilibrium emissions measured by MIPAS on Envisat
Carbon monoxide distributions mesosphere MIPAS Envisat
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2009/5/7
We present global distributions of carbon monoxide (CO) from the upper troposphere to the mesosphere observed by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on Envisat. Verti...
由于ENVISAT/AATSR资料不同角度热辐射亮度值之间存在较高的相关性从而导致较大误差的产生，本文尝试避开这种误差源，只选取天底观测数据对黄土高原陇东地区整层大气水汽含量及地表温度进行反演.与MODIS整层大气水汽含量产品对比验证表明，本文结果与MODIS产品有一定差异，但是可以直接用于大气透过率的估算.结合野外观测数据对地表温度反演结果的检验表明，最大绝对误差为4.0 ℃，平均相对误差为5....
Stratospheric and tropospheric NO2 variability on the diurnal and annual scale: a combined retrieval from ENVISAT/SCIAMACHY and solar FTIR at the Permanent Ground-Truthing Facility Zugspitze/Garmisch
NO2 variability ENVISAT/SCIAMACHY solar FTIR
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2009/2/18
Columnar NO2 retrievals from solar FTIR measurements at the Zugspitze (47.42° N, 10.98° E, 2964 m a.s.l.), Germany were investigated synergistically with columnar NO2 retrieved from SCIAMACHY data by ...
Validation of ENVISAT/SCIAMACHY columnar methane by solar FTIR spectrometry at the Ground-Truthing Station Zugspitze
ENVISAT/SCIAMACHY columnar methane solar FTIR spectrometry Ground-Truthing Station Zugspitze
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2009/2/17
Methane total-vertical column retrievals from ground-based solar FTIR measurements at the Permanent Ground-Truthing Station Zugspitze (47.42° N, 10.98° E, 2964m a.s.l.), Germany are used to validate ...