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Using the Maximum-Likelihood Method for the Angular Resolution of the Signal Sources in Multibase Phase Direction Finders

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Radiophysics and Quantum Electronics Aims and scope

We show that the angular resolution of the signal sources in the phase direction finders with the antenna systems in the form of linear arrays of the weakly directional elements can be reached by determining the own set of full periods of the phase difference, which are lost during the measurements, for each source. It is established that the maximum-likelihood method, which has been developed for estimating the arrival of one signal, can be used for the angular resolution of the signal sources. We show the generality of the basis for the angular resolution using the maximum-likelihood method and the method of summation of cosine functions. The estimates of the accuracy of the received-signal direction finding are given.

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Authors and Affiliations

  1. Tomsk State University of Control Systems and Radio Electronics, Tomsk, Russia

    V. P. Denisov, D. V. Dubinin & D. V. Erofeev

Authors
  1. V. P. Denisov
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  2. D. V. Dubinin
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  3. D. V. Erofeev
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Correspondence to D. V. Dubinin.

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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 64, No. 7, pp. 567–576, July 2021. Russian DOI: https://doi.org/10.52452/00213462_2021_64_07_567

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Denisov, V.P., Dubinin, D.V. & Erofeev, D.V. Using the Maximum-Likelihood Method for the Angular Resolution of the Signal Sources in Multibase Phase Direction Finders. Radiophys Quantum El 64, 511–519 (2021). https://doi.org/10.1007/s11141-022-10152-9

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  • DOI: https://doi.org/10.1007/s11141-022-10152-9

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