A New Metric for Estimating the Disparity of Antenna Patterns in Synthetic Aperture Imaging Radiometry

被引：3
作者：
Anterrieu, Eric [1 ]
Palacin, Baptiste [2 ]
Costes, Laurent [3 ]
机构：
[1] Ctr Etud Spatiales BIOsphere, F-31400 Toulouse, France
[2] Ctr Natl Etud Spatiales, F-31400 Toulouse, France
[3] Airbus Def & Space, F-31400 Toulouse, France
来源：
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING | 2020年 / 13卷
关键词：
Antenna measurements; Brightness temperature; Antenna arrays; Instruments; Antenna radiation patterns; Aperture antennas; Antenna pattern; aperture synthesis; imaging radiometry; interferometric array; SMOS; RECONSTRUCTION; PERFORMANCE; SYSTEM;
D O I：
10.1109/JSTARS.2020.3022726
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The soil moisture and ocean salinity (SMOS) satellite has provided for about ten years systematic passive L-band measurements from space. For several months, phase 0 studies are conducted by the French space agency for a second-generation high resolution (HR) follow-on mission. This contribution is making the connection between this SMOShr project and the SMOS mission by revisiting the following problematic: the impact of the disparity of the antenna patterns on the reconstruction floor error observed in the retrieved brightness temperatures. This impact is revisited in light of the progress made since that time and a new metric is introduced for estimating the disparity between antenna patterns. It would be helpful for the design of future missions based on imaging by aperture synthesis with interferometric arrays comprising a large number of antennas.
引用
收藏
页码：5800 / 5806
页数：7
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