Digital spectrum whitening followed by re-quantization introduces a previously unrecognized systematic distortion in the gain-versus-frequency response of radio telescopes, reaching levels problematic for 21 cm cosmology.
Radio Antenna Design for Sky-Averaged 21cm Cosmology Experiments: The REACH Case,
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The CosmoVerse White Paper compiles observational tensions in cosmology and maps strategies using improved systematics checks and tests of fundamental physics to resolve them.
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Systematic Spectral Distortion from Digital Whitening in Radio Telescopes and Implications for 21 cm Cosmology
Digital spectrum whitening followed by re-quantization introduces a previously unrecognized systematic distortion in the gain-versus-frequency response of radio telescopes, reaching levels problematic for 21 cm cosmology.
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The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
The CosmoVerse White Paper compiles observational tensions in cosmology and maps strategies using improved systematics checks and tests of fundamental physics to resolve them.