Sparse frequency LFM ladar signals | Zendy

Robert V. Chimenti | Zendy; Matthew P. Dierking | Zendy; Peter Powers | Zendy; Joseph W. Haus | Zendy

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Sparse frequency LFM ladar signals

Author(s) -

Robert V. Chimenti,

Matthew P. Dierking,

Peter Powers,

Joseph W. Haus

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.008302

Subject(s) - bandwidth (computing) , frequency modulation , superposition principle , optics , lidar , radar , signal (programming language) , computer science , modulation (music) , laser , physics , acoustics , telecommunications , quantum mechanics , programming language

Through modeling we explored the possibility of utilizing a sparse frequency linear frequency modulation (LFM) signal for laser radar (ladar) applications. We propose a potential transmit and receive experiment utilizing the superposition of two LFM laser sources with a known difference frequency to provide the necessary segmented bandwidth. Finally we analyzed the signal performance of the proposed system showing that the range resolution of the signal can be improved by two to three times while utilizing the same modulator bandwidth as that of a continuous LFM signal.

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