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Multipath effects on the efficiency of interference compensation in VHF adaptive antenna systems

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Abstract

We consider the characteristics of signals in a multipath VHF communication channel which affect the efficiency of spatio-temporal processing of those signals. We present the results of experimental measurements of the efficiency of interference compensation with frequency-shift modulation under controlled conditions. Using the obtained data on various characteristics of the interference propagation channel, we analyze the factors decreasing the degree of compensation for such interference. We show that the multipath nature of the radio channel is the main factor leading to frequency and spatial selective fadings and uncorrelated distortions in the shape of the signal received by separated antennas.

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Authors
  1. S. A. Metelev
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Additional information

Research and Production Enterprise POLYOT, Nizhny Novgorod, Russia. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 43, No. 1, pp. 45–58, September, 2000.

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Metelev, S.A. Multipath effects on the efficiency of interference compensation in VHF adaptive antenna systems. Radiophys Quantum Electron 43, 41–53 (2000). https://doi.org/10.1007/BF02677136

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  • DOI: https://doi.org/10.1007/BF02677136

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