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An application of the SFIM technique to enhance the spatial resolution of spaceborne microwave radiometers

机译:SFIM技术在提高星载微波辐射计空间分辨率中的应用

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摘要

Microwave radiometers operating from space are one of the most promising tools for soil, snow and vegetation monitoring, due to the sensitivity of the measured emission to surface features and to the extended and recursive Earth observation. However, these potentials are partially hampered by the coarse spatial resolution, which is of the order of tens of kilometres, especially at the lower frequencies. This paper describes the results obtained by using a simple algorithm for enhancing the spatial resolution of the spaceborne microwave radiometer at C-band. The algorithm is based on the smoothing filter-based intensity modulation technique (SFIM), applied to the Advanced Microwave Remote Scanning Radiometer-Earth Observing System (AMSR-E) data collected from some reference targets, including the Amazon river basin, Lake Victoria in Africa and the Antarctic plateau.
机译:由于所测发射对地表特征的敏感性以及对地球的扩展和递归观测,因此从太空运行的微波辐射计是用于土壤,雪和植被监测的最有前途的工具之一。但是,这些电势被大约几十公里的粗糙空间分辨率部分地阻碍了,特别是在较低频率下。本文介绍了通过使用一种简单的算法来增强C波段星载微波辐射计的空间分辨率的结果。该算法基于基于平滑滤波器的强度调制技术(SFIM),该技术应用于从某些参考目标(包括亚马逊河流域,维多利亚湖)收集的高级微波远程扫描辐射计-地球观测系统(AMSR-E)数据。非洲和南极高原。

著录项

  • 来源
    《International journal of remote sensing》 |2010年第10期|P.2419-2428|共10页
  • 作者

    E. SANTI;

  • 作者单位

    Institute of Applied Physics 'Nello Carrara' (IFAC), National Research Council, via Madonna del Piano, 10 S0019 Sesto Fiorentino, Firenze, Italy;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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