Estimation of the Sea-Surface Slope Variance Based on the Power Spectrum Width of a Radar Scatterometer

Ka M.-H.; Baskakov A. I.; Terechov V. A.; Kononov A. A.

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Estimation of the Sea-Surface Slope Variance Based on the Power Spectrum Width of a Radar Scatterometer

机译：基于雷达散射仪功率谱宽度的海面坡度方差估计

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In this letter, we introduce the possibility of the sea-surface slope measurements using second-order statistics of return waveforms from sea surface in a continuous-wave radar scatterometer. It has been shown that the estimation of the variance of sea-surface slopes can be obtained by measuring the signal power or the power-spectrum width of return waveforms. We found that the power-spectrum-width-based estimation approach is more sensitive to the variance of the sea-surface slope for weak sea-surface disturbances in contrast to the power-based one.

机译：在这封信中，我们介绍了使用连续波雷达散射仪中来自海面的返回波形的二阶统计量来进行海面坡度测量的可能性。已经表明，可以通过测量返回波形的信号功率或功率谱宽度来获得对海面坡度变化的估计。我们发现，与基于功率谱的方法相比，基于功率谱宽度的估计方法对弱海表扰动对海面坡度的变化更为敏感。

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来源
《Geoscience and Remote Sensing Letters, IEEE》 |2013年第3期|p.593-597|共5页
作者
Ka M.-H.; Baskakov A. I.; Terechov V. A.; Kononov A. A.;
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作者单位

School of Integrated Technology, Yonsei University, Incheon, Korea;

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原文格式 PDF
正文语种 eng
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关键词
Correlation function; power spectrum; radar scatterometer; remote sensing; sea slope variance;

机译：相关函数;功率谱;雷达散射仪;遥感;海坡方差;

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5. Estimation of friction velocity and direction at the ocean surface from physical models and space-borne radar scatterometer measurements. [D] . Lettvin, Ellen Elisabeth. 1998

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6. A Three-Stage Inter-Channel Calibration Approach for Passive Radar on Moving Platforms Exploiting the Minimum Variance Power Spectrum [O] . Philipp Wojaczek, Diego Cristallini, Daniel W. O’Hagan, 2021

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8. Surface Roughness, Sea-Surface Slope and Wind-Wave Spectrum - Supplement [R] . Wu, J. 1971

机译：表面粗糙度，海面坡度和风浪谱 - 补充

Estimation of the Sea-Surface Slope Variance Based on the Power Spectrum Width of a Radar Scatterometer

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