Dicke radiometer

Dicke radiometer

[′dik·ə ‚rād·ē′äm·əd·ər]
(electronics)
A radiometer-type receiver that detects weak signals in noise by modulating or switching the incoming signal before it is processed by conventional receiver circuits.
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References in periodicals archive ?
Another reference control method is introduced by Machin in 1952 and it is used for balancing between an antenna temperature and a reference temperature of a Dicke radiometer by controlling an attenuator in a feedback loop [16].
The Dicke principle has proven to be very useful, and Dicke radiometers are the most commonly found radiometer type.