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Optics Letters

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  • Vol. 29, Iss. 13 — Jul. 1, 2004
  • pp: 1533–1535

Unification of radar phenomena as spacetime curvature: prediction and observation of an affine-phase effect

Andrew K. Gabriel*  »View Author Affiliations


Optics Letters, Vol. 29, Issue 13, pp. 1533-1535 (2004)
http://dx.doi.org/10.1364/OL.29.001533


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Abstract

The many properties of radar echoes and other radiative systems were recently described by Gabriel [J. Opt. Soc. Am. A 19, 946 (2002)] as lower-dimensional projections of simple forms in special relativity. A broader treatment including coherent phenomena is summarized, in which the phase properties of radar images and interferograms are also shown to have a simple unified structure. Their apparent complexity is a result of projection onto the lower dimension(s) of the observation. A predicted new property, locally scalable (affine) phase, is observed in a radar interferogram.

© 2004 Optical Society of America

OCIS Codes
(000.0000) General : General
(000.2700) General : General science
(110.0110) Imaging systems : Imaging systems
(280.5600) Remote sensing and sensors : Radar

Citation
Andrew K. Gabriel*, "Unification of radar phenomena as spacetime curvature: prediction and observation of an affine-phase effect," Opt. Lett. 29, 1533-1535 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-13-1533


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References

  1. A. K. Gabriel, R. M. Goldstein, and H. A. Zebker, J. Geophys. Res. 94, 9183 (1989).
  2. G. Franceschetti and R. Lanari, Synthetic Aperture Radar Processing (CRC Press, Boca Raton, Fla., 1999).
  3. A. K. Gabriel, J. Opt. Soc. Am. A 19, 946 (2002).
  4. E. Taylor and J. A. Wheeler, Spacetime Physics, 2nd ed. (Freeman, San Francisco, Calif., 1999).
  5. A. K. Gabriel, “Fundamental radar properties II: coherent phenomena in spacetime,” submitted to J. Opt. Soc. Am. A.
  6. A. K. Gabriel, IEEE Trans. Geosci. Remote Sensing 40, 1885 (2002).
  7. A. K. Gabriel and R. M. Goldstein, Int. J. Remote Sensing 9, 857 (1988).
  8. F. Gatelli, A. Monti-Guarnieri, F. Parizzi, P. Pasquali, C. Prati, and F. Rocca, IEEE Trans. Geosci. Remote Sensing 32, 855 (1994).

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