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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 24 — Aug. 20, 1998
  • pp: 5631–5639

Feasibility study of synthetic aperture infrared laser radar techniques for imaging of static and moving objects

Shin Yoshikado and Tadashi Aruga  »View Author Affiliations


Applied Optics, Vol. 37, Issue 24, pp. 5631-5639 (1998)
http://dx.doi.org/10.1364/AO.37.005631


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Abstract

Techniques for two types of 10-μm band synthetic aperture infrared laser radar using a hypothetical reference point target (RPT) are presented. One is for imaging static objects with a single two-dimensional scanning aperture. Through the simple manipulation of a reference wave phase, a desired image can be obtained merely by the two-dimensional Fourier transformation of the correlator output between the intermediate frequency signals of the reference and object waves. The other, with a one-dimensional aperture array, is for moving objects that pass across the array direction without attitude change. We performed imaging by using a two-dimensional RPT correlation method. We demonstrate the capability of these methods for imaging and evaluate the necessary conditions for signal-to-noise ratio and random phase errors in signal reception through numerical simulations in terms of feasibility.

© 1998 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.3010) Image processing : Image reconstruction techniques
(110.1220) Imaging systems : Apertures
(110.3080) Imaging systems : Infrared imaging
(110.5100) Imaging systems : Phased-array imaging systems
(280.6730) Remote sensing and sensors : Synthetic aperture radar

History
Original Manuscript: February 11, 1997
Revised Manuscript: November 24, 1997
Published: August 20, 1998

Citation
Shin Yoshikado and Tadashi Aruga, "Feasibility study of synthetic aperture infrared laser radar techniques for imaging of static and moving objects," Appl. Opt. 37, 5631-5639 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-24-5631

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