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Proceedings Paper

Fundamental limitations of reciprocal path imaging through the atmosphere with dilute subaperture arrays
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Paper Abstract

When synthesizing a large aperture with an array of smaller subapertures for high-resolution imaging applications, it is important not only to arrange the subapertures to achieve minimal spatial frequency redundancy, but also to choose the size of the subapertures necessary to achieve the best possible image quality. Spurious, or ghost, images often occur even for nonredundant dilute subaperture arrays. In this paper we show that array configurations producing a uniform modulation transfer function will not exhibit these undesirable ghost images. A method is then presented for constructing both 1D and 2D configurations of dilute subaperture arrays that result in uniform spatial frequency response with arbitrarily high spatial resolution for reciprocal path imaging applications.

Paper Details

Date Published: 29 June 1994
PDF: 15 pages
Proc. SPIE 2222, Atmospheric Propagation and Remote Sensing III, (29 June 1994); doi: 10.1117/12.178016
Show Author Affiliations
James E. Harvey, CREOL/Univ. of Central Florida (United States)
Anita Kotha Thompson, CREOL/Univ. of Central Florida (United States)
Ronald L. Phillips, CREOL/Univ. of Central Florida (United States)

Published in SPIE Proceedings Vol. 2222:
Atmospheric Propagation and Remote Sensing III
Walter A. Flood; Walter B. Miller, Editor(s)

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