RFI Considerations for the DSA-2000

Gregory Hellbourg,Gregg Hallinan, Vinand Prayag, Francois Kapp

2024 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM)（2024）

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摘要

The DSA-2000 is a large astronomical survey in-terferometer currently being designed, and will be composed of 2,000 antennas spanning 700 - 2,000 MHz. The frequency coverage of the instrument makes it particularly vulnerable to Radio Frequency Interference as it overlaps with a high occupancy region of the spectrum. This paper describes the strategies employed to mitigate the effect of interference and ensure the scientific relevance of the telescope.

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关键词

Electromagnetic Interference,Site Selection,Visual Modality,Detection Module,Monitoring Stations,Subband,Low Earth Orbit,OR Operation,Direction Of Arrival,Terrestrial Communication,Radio Telescope,MHz Band

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