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Дата изменения: Tue Apr 12 03:27:15 2016
Дата индексирования: Tue Apr 12 03:27:15 2016
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Поисковые слова: arp 220
Australia Telescope National Facility

Total system noise


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For measurements on a blank area of the sky, corresponds to the total rms noise of our system, .


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For the sake of simplicity, let us assume that the system temperatures, efficiencies and gains of all antennae are equal. Then, for weak sources


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Taking into account that also a correlator causes losses, another factor is added - the correlator efficiency


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