期刊
IEEE TRANSACTIONS ON SIGNAL PROCESSING
卷 48, 期 8, 页码 2205-2210出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/78.852001
关键词
antenna arrays; array signal processing; direction-of-arrival estimation; electromagnetic wave polarization; intelligent sensors; land mobile radio diversity systems; radar signal processing; radio direction finding.
A sparse uniform Cartesian-grid array suffers cyclic ambiguity in its Cartesian direction-cosine estimates due to the spatial Nyquist sampling theorem. The proposed MUSIC-based or MODE-based algorithm improves and generalizes previous disambiguation schemes that populate the thin array grid with identical subarrays-such as electromagnetic vector sensors, under water acoustic vector hydrophones, or half-wavelength spaced subarrays.
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