Correction of the amplitude-phase distribution of electromagnetic field in the context of wireless direction finding problem


  • Yu. B. Nechaev Voronezh State University, Russian Federation
  • S. A. Zotov Voronezh State University, Russian Federation
  • E. S. Makarov Voronezh State University, Russian Federation



A technique for correcting the amplitude-phase distribution of the aperture field in the antenna array has been investigated. The optimal number of points for placing the reference oscillator was determined. The specified number provides for achieving the efficiency of superresolution algorithms. A correction technique based on presenting the antenna array in the form of large-radius array consisting of ideal noninteracting elements was proposed. This technique involves the use of only one reference point. Using the MUSIC method, as an example, the direction finding characteristics were calculated for the techniques under consideration.


H. Krim and M. Viberg, Two Decades of Array Signal Processing Research: The Parametric Approach, IEEE Signal Processing Magazine 13, No. 4, 67 (1996).

I. S. Kukes and M. E. Starik, Fundamentals of Wireless Direction Finding (Sov. Radio, Moscow, 1964) [in Russian].

V. V. Drogalin, et al., “Algorithms for estimating the angular coordinates of radiation sources based on the spectral analysis methods,” Uspekhi Sovremennoi Elektroniki, No. 2, 3 (1998).

Yu. B. Nechaev, S. A. Zotov, and E. S. Makarov, “Comparative analysis of superresolution algorithms for wireless direction finding,” in Proc. of XIII Int. Sci. and Tech. Conf. “Radiolocation, Navigation, Communications,” RLNC–2007, Voronezh, Russia, 2007 (Voronezh, 2007), pp. 2102–2109.

S. A. Zotov, E. S. Makarov, and Yu. B. Nechaev, “Superresolution algorithms for the problem of azimuthal wireless direction finding with the use of ring antenna arrays,” Antenny, No. 7, 29 (2007).

V. R. Khachaturov, Yu. A. Fedorkin, and A. S. Konoval’chik, “The impact of random phase errors of receiving channels of the antenna array on the quality of the resolution of external radiation sources,” Antenny, No. 2, 55 (2000).

A. V. Bezvesel’nyi, et al., “Stability investigation of supperresolving algorithm MUSIC with respect to distortions of the measured field structure caused by the wave scattering by the antenna system,” in Proc. of XIV Int. Sci. and Tech. Conf. “Radiolocation, Navigation, Communications,” RLNC–2008, Voronezh, Russia, 2008 (Voronezh, 2008), pp. 2102–2109.

J. Pierre and M. Kaveh, “Experimental performance of calibration and direction–finding algorithms,” Proc. IEEE ICASSP 2, 1365 (1991).

B. Friedlander and A. Weiss, “Eigenstructure methods for direction finding with sensor gain and phase uncertainties,” Proc. IEEE ICASSP 5, 2681 (1988).

E. Hung, “A critical study of a self-calibrating direction-finding method for arrays,” IEEE Trans. Signal Process. 42, 471.





Research Articles