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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 66, Iss. 11 — Nov. 1, 1976
  • pp: 1295–1304

Comparison of continuous and discrete mixed-integrator processors

Jerry S. Zelenka  »View Author Affiliations


JOSA, Vol. 66, Issue 11, pp. 1295-1304 (1976)
http://dx.doi.org/10.1364/JOSA.66.001295


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Abstract

Two mixed-integration processors for processing coherent imaging radar data are analyzed and compared. These two optical processors reduce the deleterious speckle effects associated with a fully coherent imaging system. However, the mixed-integration process reduces the achievable resolution. The discrete frequency-plane mixed-integration processor subdivides the frequency plane into M × N cells, processes each cell coherently, and incoherently sums the individual outputs. The scanning frequency plane mixed-integration processor continuously scans the frequency plane with an aperture that is 1/M × 1/N times the size of the signal spectrum. It is shown that the scanning processor is much more effective at reducing the effects of speckle while achieving comparable resolution.

© 1976 Optical Society of America

Citation
Jerry S. Zelenka, "Comparison of continuous and discrete mixed-integrator processors," J. Opt. Soc. Am. 66, 1295-1304 (1976)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-66-11-1295

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