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| Algorithm of Solving Multi-baseline Interferometer Phase DifferenceAmbiguity in Noisy Circumstance |
| Zhou Ya-qiang; Chen Zhu; Huangfu Kan; Sun Zhong-kang |
| School of Electronic Sci.and Eng., Nat. Univ.of Defense Tech., Changsha 410073 China |
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Abstract For the problem of multi-baseline interferometer in wideband direction finding, a algorithm of solving multi-baseline interferometer phase difference ambiguity based on Chinese remainder theorem is given and the condition of correctly solving ambiguity in noisy circumstance is studied. The algorithm selects baseline length satisfied stagger qualification, thereby solving conflict between accuracy of direction finding and maximum unambiguity angle. The performance of the algorithm is effectively demonstrated by computer simulation.
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Received: 24 October 2003
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2005, Vol. 27 
