Experimental Determination of the Sea Correlation Time Using GNSS-R Coherent Data

被引：30
|
作者：
Valencia, Enric [1 ,2 ]
Camps, Adriano [1 ,2 ]
Fernando Marchan-Hernandez, Juan [1 ,2 ]
Rodriguez-Alvarez, Nereida [1 ,2 ]
Ramos-Perez, Isaac [1 ,2 ]
Bosch-Lluis, Xavier [1 ,2 ]
机构：
[1] Univ Politecn Cataluna, Remote Sensing Lab, Dept Signal Theory & Commun, ES-08034 Barcelona, Spain
[2] IEEC CRAE UPC, Barcelona 08034, Spain
来源：
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2010年 / 7卷 / 04期
关键词：
Correlation time; delay-Doppler map (DDM); Global Navigation Satellite Signals Reflectometry (GNSS-R); sea coherence time; sea state; MICROWAVE BACKSCATTER; OCEAN; SIGNALS; INTERFEROMETRY;
D O I：
10.1109/LGRS.2010.2046135
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The feasibility of the Global Navigation Satellite Signal Reflectometry (GNSS-R) techniques has been proven for remote determination of sea state. When using GNSS-R techniques, coherent integration time is limited by the correlation time of the surface under observation which, in the case of the ocean, depends on sea state. In this letter, a new technique to retrieve the sea correlation time at L-band using GNSS-R coherent data is presented along with experimental results.
引用
收藏
页码：675 / 679
页数：5
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