We consider a microwave multireceiver radiometer based on in-parallel operated receiving channels using the principle of zero balance and measuring the antenna signal by all receivers in the same spectral range with time division. This yields a higher fluctuation sensitivity than in the case of an ideal full-power compensation radiometer while achieving a high stability of measurements by a modified method of zero measurement.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 59, No. 5, pp. 423–435, May 2016.
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Filatov, A.V. A New Principle for Construction of Microwave Multireceiver Radiometers Using a Modified Method of Zero Measurement. Radiophys Quantum El 59, 382–392 (2016). https://doi.org/10.1007/s11141-016-9707-5
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DOI: https://doi.org/10.1007/s11141-016-9707-5