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首页> 外文期刊>Geoscience and Remote Sensing Letters, IEEE >Radio-Frequency Interference Identification Over Oceans for C- and X-Band AMSR2 Channels
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Radio-Frequency Interference Identification Over Oceans for C- and X-Band AMSR2 Channels

机译：C波段和X波段AMSR2信道在海洋上的射频干扰识别

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摘要

A new method for radio-frequency interference (RFI) contamination identification over open oceans for the two C-subbands and X-band of Advanced Microwave Scanning Radiometer 2 (AMSR2) channel measurements is suggested. The method is based both on the AMSR2 brightness temperature ( ) modeling and on the analysis of AMSR2 measurements over oceans. The joint analysis of spectral differences allowed to identify the relations between them and the limits of their variability, which are ensured by the changes in the environmental conditions. It was found that the constraints, based on the ratio of spectral differences, are more regionally and seasonally independent than the spectral differences themselves. Although not all possible RFI combinations are considered, the developed simple criteria can be used to detect most RFI-contaminated pixels over the World Ocean for AMSR2 measurements in two C-subbands and the X-band.
机译：提出了一种新的方法，用于在远洋上识别高级微波扫描辐射计2（AMSR2）信道的两个C子带和X波段的射频干扰（RFI）污染。该方法既基于AMSR2亮度温度（）模型，又基于对海洋AMSR2测量值的分析。通过对光谱差异进行联合分析，可以确定它们之间的关系及其变异性的极限，这可以通过环境条件的变化来确保。已经发现，基于光谱差异的比率的约束比光谱差异本身在区域和季节上更独立。尽管并未考虑所有可能的RFI组合，但是可以使用已开发的简单标准来检测世界海洋上大多数被RFI污染的像素，以便在两个C子带和X波段中对AMSR2进行测量。

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