Feasibility Study of Synthetic Aperture Infrared Laser Radar Techniques for Imaging of Static and Moving Objects
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
[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
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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