Characteristics of Radio Telescopes with Multielement Microstrip Focal Arrays |
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Authors: | E K Majorova V B Khaikin |
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Institution: | (1) Special Astrophysical Observatory, Russian Academy of Sciences, Nizhny Arkhyz, Karachai-Chirkassian Republic, Russia |
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Abstract: | We calculate beam patterns (BPs) and power characteristics of radio telescopes in the multibeam regime with the use of different types of microstrip focal arrays. A terrace design of focal array for illumination of the asymmetric secondary mirror of the RATAN-600 radio telescope and a symmetric paraboloid dish is proposed. Ways for optimization of this type of array are considered. Characteristics of a radio telescope with a millimeter-wave planar circularly polarized focal array are calculated. Some applications of multibeam microstrip focal arrays are considered.__________Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika,Vol.48, No. 2, pp. 95–109, February 2005 |
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