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首页> 外文会议>Remote Sensing of the Marine Environment; Proceedings of SPIE-The International Society for Optical Engineering; vol.6406 >Characters of merchant vessels in spaceborne SAR imagery
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Characters of merchant vessels in spaceborne SAR imagery

机译：航天SAR图像中商船的特征。

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摘要

Ship features in high-resolution spaceborne Synthetic Aperture Radar (SAR) imagery has crucial significance for ship classification from satellite. In this paper, we discuss the features of merchant Ships including oil tanker, container ship and bulk carrier in SAR imagery, which is comprised of geometrical feature, scattering feature, tonnage information with Radar Cross Section (RCS) and wake. The study show that the ship lengths measured from SAR imagery has a good correlation with the real lengths, but the correlation of ship beam is worse. Ship scattering feature has positive correlation with the ship structure, which maybe is a feature to distinguish container ship from other vessels. A new equation about ship length and its displacement in tons is presented in this paper. The relation suggested by Skolnik M.I between ship tonnage and RCS is tested but not validated. We also validate the means of extracting ship speed by ship turbulence wake in SAR imagery.
机译：高分辨率星载合成孔径雷达（SAR）图像中的船舶特征对于从卫星进行船舶分类具有至关重要的意义。本文讨论了SAR图像中商船的特征，包括油轮，集装箱船和散货船，这些特征包括几何特征，散射特征，带有雷达截面（RCS）和尾流的吨位信息。研究表明，从SAR图像测得的船长与实际长度有很好的相关性，但船梁的相关性更差。船舶散射特征与船舶结构呈正相关，这可能是区分集装箱船与其他船舶的特征。本文提出了一个关于船长及其以吨为单位的位移的新方程。 Skolnik M.I建议的船舶吨位与RCS之间的关系已经过测试，但未经验证。我们还验证了在SAR图像中通过船舶湍流尾迹提取船舶速度的方法。

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