Method for estimating the number of signals in problems of wireless direction finding with a small observation period
DOI:
https://doi.org/10.3103/S0735272708060010Abstract
A new algorithm for estimating the number of signals received by the antenna array has been proposed. As confirmed by simulation and field tests, this algorithm features smaller computational costs and ensures more accurate estimates at short observation times.
References
S. L. Marple, Jr., Digital Spectral Analysis and Its Applications (Mir, Moscow, 1990) [Russian translation].
S. A. Zotov, E. S. Makarov, and Yu. B. Nechaev, “Methods of Superresolution in Problems of Radio-Direction Finding,” Informatsionnye Protsesy i Tekhnologii v Obshchestve i Ekonomike, No. 3, 12 (2006).
Yu. B. Nechaev, S. A. Zotov, and E. S. Makarov, “Efficiency of the Direction Finding of Radiation Sources by the Nonproper Structured Methods of Superresolution in Radio Direction-Finders with Flat Arrays,” Teoriya i Tekhnika Radiosvyazi, No. 2, 40 (2006).
Yu. B. Nechaev, S. A. Zotov, and E. S. Makarov, “Comparative Analysis of Superresolution Algorithms for Wireless Direction Finding,” in Proceedings of 13th International Scientific and Technical Conference “Radio Location, Direction Finding, Communications, April 2007 (2007), pp. 2102–2109.
D. I. Lekhovitskii, et al., “Comparison of the Resolution of Different-Type Combined Direction Finders in Receiving Systems with Identical Channels,” Antenny, No. 12 (2003).
A.Manikas, Ratnarajah, and J. Lee, “Evaluation of Superresolution Array–Techniques as Applied to Coherent Sources,” Int. J. Electronics 82, No. 1, 77 (1997).
M. Wax and T. Kailath, “Detection of Signals by Information Theoretic Criteria,” IEEE Trans. on Acoustic, Speech, and Signal Processing 33, No. 2, 387 (1985).
R. Badeau, B. David, and G. Richard, “Selecting the Modeling Order for the ESPRIT High Resolution Method: an Alternative Approach,” in Proceedings of International Conference on Acoustics, Speech, and Signal Processing ICASSP’04, Montreal, Quebec, 17–21 May 2004 (Montreal, 2004).
