Initial Results of Typhoon Wind Speed Observation Using Coastal GNSS-R of BeiDou GEO Satellite

被引：32

作者：

Li, Weiqiang ^{[1
,2
]}

Fabra, Fran ^{[2
]}

Yang, Dongkai ^{[1
]}

Rius, Antonio ^{[2
]}

Martin-Neira, Manuel ^{[3
]}

Yin, Cong ^{[4
]}

Wang, Qiang ^{[1
]}

Cao, Yunchang ^{[4
]}

机构：

[1] Beihang Univ BUAA, Sch Elect & Informat Engn, Beijing 100191, Peoples R China

[2] CSIC, IEEC, ICE, Earth Observat Res Grp, Barcelona 08193, Spain

[3] European Space Agcy, European Space Res & Technol Ctr, NL-2200 AG Noordwijk, Netherlands

[4] China Meterol Adm, Meteorol Observat Ctr, Beijing 100081, Peoples R China

来源：

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

基金：

国家高技术研究发展计划(863计划); 中国国家自然科学基金;

关键词：

BeiDou navigation satellite system (BDS); geostationary Earth orbit (GEO); global navigation satellite system reflectometry (GNSS-R); scatterometry; tropical cyclone; REFLECTED GPS SIGNALS; DELAY-DOPPLER MAPS; OCEAN; RETRIEVAL; ALTIMETRY; SYSTEM;

D O I：

10.1109/JSTARS.2016.2523126

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：

Sea surface-reflected signals of global navigation satellite system (GNSS) were collected during a coastal experiment to evaluate the potential use of these signals on typhoon investigation. This work focuses on processing the signals from BeiDou geostationary Earth orbit (GEO) satellites and assessing the sensitivities of waveform observables to the wind speed evolution during the typhoons. After the processing of the raw samples, both the delay-and spectral-related observables are obtained from the complex waveforms and then compared with in situ wind measurement collected during two tropical cyclones. Results from the data analysis are presented, confirming that the proposed observables are well correlated with the wind speed evolution and suitable for coastal wind speed retrieval.

引用

页码：4720 / 4729

页数：10

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