NDLI: Hybrid phase amplitude direction finding method

Content Provider	IEEE Xplore Digital Library
Author	Orduyilmaz, A. Serin, M. Yildirim, A. Ceyhan, K. Gurbuz, A.C.
Copyright Year	2015
Description	Author affiliation: Elektrik-Elektron. Muhendisligi Bolumu, TOBB Ekonomi ve Teknoloji Univ., Ankara, Turkey (Ceyhan, K.; Gurbuz, A.C.) \|\| Tubitak Bilgem Iltaren, Ankara, Turkey (Orduyilmaz, A.; Serin, M.; Yildirim, A.)
Abstract	In this paper, hybrid monopulse phase-amplitude comparison method is presented. Design has been realized for broadband radar signals in real time in the digital environment. Multi-antenna array is used with a wide antenna pattern disposed on a plane in direction finding (DF) techniques with a traditional phase comparison method. With recommended method in the article, integrated amplitude and phase comparison method with fractured antennas' placements is used for solution of ambiguity. It is too hard to determine phase differences by using amplitude differences coming from fractured antennas's placements. This challenge is resolved by using FFT. For a particular incidence angle sector, analysis are performed with different antennas' placement scenarios and different signal to noise ratio (SNR). Successful DF estimations are accomplished with recommended fractured, two antenna structure and hybrid phase-amplitude technique.
Starting Page	109
Ending Page	112
File Size	356474
Page Count	4
File Format	PDF
ISBN	9781467373869
DOI	10.1109/SIU.2015.7130142
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-16
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Maximum likelihood estimation Passive radar phase difference Radar tracking amplitude comparison interferometer Antennas Field programmable gate arrays Signal to noise ratio direction finding
Content Type	Text
Resource Type	Article

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