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首页> 外文期刊>IEEE Transactions on Geoscience and Remote Sensing >L-Band Radio-Frequency Interference Observations During the SMAP Validation Experiment 2012
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L-Band Radio-Frequency Interference Observations During the SMAP Validation Experiment 2012

机译：2012年SMAP验证实验期间的L波段无线电频率干扰观察

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摘要

Radio-frequency interference (RFI) observations for L-band microwave radiometry during the SMAP Validation Experiment 2012 (SMAPVEX12) airborne campaign are reported in this paper. The soil moisture measurement campaign was conducted in summer 2012 near Winnipeg, MB, Canada, with additional RFI flights over Denver, CO, USA. The Passive Active L-Band sensor (PALS) radiometer of the Jet Propulsion Laboratory was used with a full-bandwidth direct sampling digital backend to measure and store predetection data that is fully resolved in time and frequency. Overviews of SMAPVEX12 and the receiver and digital backend used to collect data are presented, along with the data processing techniques used for RFI detection. Properties of the observed RFI are examined and compared with the results of previous studies. Finally, implications of the results are explained considering current missions such as NASA's Soil Moisture Active Passive Mission.
机译：本文报告了SMAP验证实验2012（SMAPVEX12）机载战役期间L波段微波辐射测量的射频干扰（RFI）观测结果。土壤湿度测量活动于2012年夏季在加拿大MB温尼伯附近进行，另外还有RFI飞行在美国科罗拉多州丹佛市进行。喷气推进实验室的被动式主动L波段传感器（PALS）辐射计与全带宽直接采样数字后端一起使用，以测量和存储在时间和频率上完全解析的预检测数据。介绍了SMAPVEX12的概述以及用于收集数据的接收器和数字后端，以及用于RFI检测的数据处理技术。检查观察到的RFI的属性，并将其与以前的研究结果进行比较。最后，考虑到当前任务（例如美国宇航局的土壤水分主动被动任务），解释了结果的含义。

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