Lensless microwave imaging using the Hartley transform

Details Lensless microwave imaging using the Hartley transform Lensless microwave imaging using the Hartley transform

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.335..617v&link_type=abstract

Nature (ISSN 0028-0836), vol. 335, Oct. 13, 1988, p. 617-619. Navy-supported research.

Physics

5

Antenna Radiation Patterns, Microwave Imagery, Optical Measurement, Beam Splitters, Diffraction Patterns, Fourier Transformation, Fraunhofer Lines, Phase Detectors

Scientific paper

The authors recently reported a method of optical phase measurement that involves the creation of a Hartley transform plane constructed by superposing two Fourier transforms. Through the Hartley transform, access is gained to the Fourier phase by amplitude measurements only. This technique is extended here to the microwave range, and it is demonstrated how to obtain an image of an isophase source without using a phase-sensitive detector.

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