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the system irradiante to diversity angloare for radiocollegamenti tropospheric distribution
the system irradiante to diversity angloare for radiocollegamenti tropospheric distribution
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机译:辐射Collaementi对流层分布的辐射多样性系统的系统
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摘要
An angular-diversity radiating system is described for tropospheric-scatter radio links which comprises a paraboloid and two antenna horns (1, 2) in which the distance (D) between the antenna horns (1, 2) is adjustable in order to vary the diversity angle depending on the transmissive characteristics of the troposphere of the link involved and hence to always have the optimal diversity angle under all link conditions. The radiating systems also has four wave guides (P, S, T, Q) connected to the two antenna horns (1, 2) permitting the use of single and double polarization for both the antenna horns (1, 2) and the use of both the antenna horns, or optionally only one, for receiving and transmitting the signals, so that the radiating system is very flexible.
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