Spaceborne GNSS-Reflectometry on TechDemoSat-1: Early Mission Operations and Exploitation

被引：179

作者：

Unwin, Martin ^{[1
]}

Jales, Philip ^{[1
]}

Tye, Jason ^{[2
]}

Gommenginger, Christine ^{[3
]}

Foti, Giuseppe ^{[4
]}

Rosello, Josep ^{[5
]}

机构：

[1] Surrey Satellite Technol Ltd, GNSS Team, Guildford GU2 7YE, Surrey, England

[2] Univ Surrey, Surrey Space Ctr, Guildford GU2 7XH, Surrey, England

[3] Natl Oceanog Ctr, Ocean Observing & Climate, Southampton SO14 3ZH, Hants, England

[4] Natl Oceanog Ctr, Satellite Oceanog, Southampton SO14 3ZH, Hants, England

[5] European Space Technol Ctr, Earth Observat Directorate, Noordwijk SO14 3ZH, Netherlands

来源：

IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING | 2016年 / 9卷 / 10期

关键词：

GNSS reflectometry; GNSS remote sensing; mean-square slope; sea-state sensing; signal processing; techdemosat TDS-1; GPS SIGNALS; OCEAN;

D O I：

10.1109/JSTARS.2016.2603846

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：

GNSS-Reflectometry is a new technique that shows promise for many earth observation applications including remote sensing of oceans, land, and ice. A payload has been developed that is low size and power, and suitable for use on small satellites. The first flight of the SGR-ReSI GNSS Reflectometry Instrument is on the TechDemoSat-1 mission, launched in July 2014. The instrument has been operational since its commissioning in September 2014, and has been collecting delay Doppler maps routinely over many different surfaces. Preliminary work has been undertaken to develop and validate wind speed inversion algorithms against ASCAT measurements with promising results. Measurements over land and sea ice are also showing interesting geophysical characteristics This paper describes the instrument, early operations, data dissemination through the Measurement of Earth Reflected Radio-navigation Signals By Satellite (MERRByS) website and preliminary data assessments in preparation for further data exploitation.

引用

页码：4525 / 4539

页数：15

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