Lessons Learnt from SMOS RFI Activities After 10 Years in Orbit: RFI Detection and Reporting to Claim Protection and Increase Awareness of the Interference Problem in the 1400–1427 MHZ Passive Band

2019 RFI Workshop - Coexisting with Radio Frequency Interference (RFI) Pub Date : 2019-09-01 DOI:10.23919/RFI48793.2019.9111797

Á. Llorente, E. Daganzo, R. Oliva, Ekhi Uranga, Y. Kerr, P. Richaume, Antonio de la Fuente, M. Martín-Neira, S. Mecklenburg

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引用次数: 8

Abstract

The European Space Agency’s Soil Moisture and Ocean Salinity (SMOS) mission is perturbed by Radio Frequency Interference (RFI) that jeopardizes part of its scientific retrieval in certain areas of the world. Areas affected by RFI experience data loss or underestimation of soil moisture and ocean salinity retrieval values. Close to the 10th anniversary of SMOS launch, this paper provides an overview of SMOS RFI activities during these years, the evolution of the RFI scenario worldwide and the lessons learned. The main challenges faced in the RFI detection and geo-location will be introduced, with some interesting examples of RFI cases detected. Another topic addressed in this paper is the impact of the RFI contamination from a scientific perspective, with some estimations of the data percentage that has to be discarded due to interference.

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轨道运行10年后SMOS RFI活动的经验教训:在1400-1427 MHZ无源频段进行RFI检测和报告，以保护索赔并提高对干扰问题的认识

欧洲航天局的土壤湿度和海洋盐度(SMOS)任务受到无线电频率干扰(RFI)的干扰，危及其在世界某些地区的部分科学检索。受RFI影响的地区经历了数据丢失或低估的土壤湿度和海洋盐度检索值。在SMOS发射10周年之际，本文概述了这些年来SMOS RFI活动，全球RFI场景的演变以及吸取的教训。本文将介绍RFI检测和地理定位所面临的主要挑战，并介绍检测到的一些有趣的RFI案例。本文讨论的另一个主题是从科学的角度来看RFI污染的影响，对由于干扰而必须丢弃的数据百分比进行了一些估计。

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2019 RFI Workshop - Coexisting with Radio Frequency Interference (RFI)

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