典型文献
Ocean wave parameters retrieved directly from compact polari-metric SAR data
文献摘要：
We aim to directly invert wave parameters by using the data of a compact polarimetric synthetic aperture radar (CP SAR) and validate the effectiveness of ocean wave parameter retrieval from the circular transmit/linear receive mode and π/4 compact polarimetric mode. Relevant data from the RADARSAT-2 fully polarimetric SAR on the C-band were used to obtain the compact polarimetric SAR images, and a polarimetric SAR wave retrieval algorithm was used to verify the sea surface wave measurements. Using the data and algorithm, there is no need to estimate complex hydrodynamic modulation transfer functions, even at large radar incidence angles. First, the radar backscattering cross-sections and backscattering cross-section of the radar linearly polarized with any polarization orientation angle were calculated in the two compact polarimetric SAR modes. Then, the wave slopes along the azimuth direction and the range direction were calculated directly using CP SAR data. Finally, we obtained the slope spectrum of the wave from the estimated wave slopes along azimuth and range directions. The wave parameters extracted from the synthetic wave slope spectrum were compared with those obtained from buoy observations of the National Data Buoy Center, verifying a suitable agreement.
文献关键词：
中图分类号：
作者姓名：
Yu Liu;Yijun He;Biao Zhang
作者机构：
School of Electronic and Information Engineering,Nanjing University of Information Science&Technology, Nanjing 210044,China;School of Marine Science,Nanjing University of Information Science&Technology,Nanjing 210044,China
文献出处：
引用格式：
[1]Yu Liu;Yijun He;Biao Zhang-.Ocean wave parameters retrieved directly from compact polari-metric SAR data)[J].海洋学报（英文版）,2022(04):129-137
A类：
Buoy
B类：
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AB值：
0.480872
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