Mar 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009jphcs.155a2002l&link_type=abstract
Journal of Physics: Conference Series, Volume 155, Issue 1, pp. 012002 (2009).
Physics
1
Scientific paper
Coherent systems offer significant advantages in simplicity, testability, control of systematics, and cost. Although quantum noise sets the fundamental limit to their performance at high frequencies, recent breakthroughs suggest that near-quantum-limited noise up to 150 or even 200 GHz could be realized within a few years. If the demands of component separation can be met with frequencies below 200 GHz, coherent systems will be strong competitors for a space CMB polarization mission. The rapid development of digital correlator capability now makes space interferometers with many hundreds of elements possible. Given the advantages of coherent interferometers in suppressing systematic effects, such systems deserve serious study.
Church Sarah
Gaier Todd
Lai Richard
Lawrence Charles R.
Ruf Christopher
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