期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 346, 期 4, 页码 1089-1102出版社
BLACKWELL PUBLISHING LTD
DOI: 10.1111/j.1365-2966.2003.07069.x
关键词
methods : data analysis; cosmic microwave background; cosmology : observations
We present a new method for analysing multidetector maps containing several astrophysical components. Our method, based on matching the data to a model in the spectral domain, permits us to estimate jointly the spatial power spectra of the components and of the noise, as well as their mixing coefficients. It is of particular relevance for analysis of millimetre-wave maps of cosmic microwave background (CMB) anisotropies.
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