Resolving phase measurement ambiguity in presence of coloured noise | Zendy

Li Wenchao | Zendy; Wang Xuezhi | Zendy; Wang Xinmin | Zendy; Moran Bill | Zendy

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Resolving phase measurement ambiguity in presence of coloured noise

Author(s) -

Li Wenchao,

Wang Xuezhi,

Wang Xinmin,

Moran Bill

Publication year - 2013

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2013.1209

Subject(s) - ambiguity , phase noise , noise (video) , phase (matter) , computer science , electronic engineering , acoustics , optics , physics , engineering , artificial intelligence , quantum mechanics , image (mathematics) , programming language

Recovering a distance from ambiguous phase measurements observed at multiple signal frequencies involves the estimation of both integer and scalar quantities simultaneously. The problem is optimally addressed by existing methods only when the measurement noise is IID. A noise ‘whitening’ procedure is derived with a least‐square estimation structure inherent to the Lattice method proposed previously which thus extends this Lattice‐based algorithm to cope with coloured phase measurement noise in an optimal manner demonstrated via simulation.

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