SIGNIFICANT WAVE HEIGHT RETRIEVAL BASED ON THE EFFECTIVE NUMBER OF INCOHERENT AVERAGES

被引：0

作者：

Martin, F. ^{[1
,2
]}

Camps, A. ^{[1
,2
]}

Martin-Neira, M. ^{[3
]}

D'Addio, S. ^{[3
]}

Fabra, F. ^{[4
]}

Rius, A. ^{[4
]}

Park, H. ^{[1
,2
]}

机构：

[1] Univ Politecn Cataluna, Remote Sensing Lab, ES-08034 Barcelona, Spain

[2] IEEC UPC, Barcelona 08034, Spain

[3] European Space Agcy, RF Syst & Payload Div, Estec, NL-2200 AG Noordwijk, Netherlands

[4] Inst EstudisEspacials Catalunya IEEC ICE CSIC, Fac Ciencies, Bellaterra 08193, Spain

来源：

2015 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2015年

关键词：

GNSS-R; Significant Wave Height; Coherence Time; Lag correlation; Speckle noise; R OCEAN ALTIMETRY;

D O I：

暂无

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 effectiveness of incoherent averaging depends on the level of correlation between consecutive waveforms, which can vary with the geometry and with the sea state conditions. In addition it is also dependent on the lag position, since the level of correlation is not the same for all the lags. An initial estimation of the lag correlation can be done by means the ratio (R) between the actual number of incoherent averages and the effective number of incoherent averages. This work is structured in two parts: In the first part the concept of using of the ratio R as a new observable to estimate the significant wave height is detailed. In the second part, data from the TIGRIS experiment is used in order to relate the R with the significant wave height, comparing its performance with the performance obtained with the coherence time.

引用

页码：3634 / 3637

页数：4

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