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Proceedings Article

Millimeter-wave aperture synthesis for remote sensing of the Earth

[+] Author Affiliations
Andrew R. Harvey, Alain H. Greenaway

Defence Evaluation and Research Agency Malvern (United Kingdom)

Adriano Camps, Javier Bara, Francisco Torres, Ignasi Corbella

Univ. Politecnica de Catalunya (Spain)

Manuel Martin-Neira

European Space Agency/ESTEC (Netherlands)

Proc. SPIE 3498, Sensors, Systems, and Next-Generation Satellites II, 82 (December 21, 1998); doi:10.1117/12.333620
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From Conference Volume 3498

  • Sensors, Systems, and Next-Generation Satellites II
  • Hiroyuki Fujisada
  • Barcelona, Spain | September 21, 1998

abstract

Millimeter-wave radiometry of the earth's surface from Low Earth Orbit (LEO) with a resolution of a few km requires antenna apertures several meters across and sub-second scanning times. Fulfilling these requirements with a mechanically scanned real-aperture antenna presents formidable mechanical challenges. An attractive alternative described here is to use synthetic aperture techniques employing a sparse-array of antennas that trade the mechanical complexity of real-aperture imaging for the electrical complexity of synthetic aperture imaging. We present results of an ESA- sponsored study aimed at seeking the optimum technique for high performance synthetic aperture mm-wave radiometry from LEO.

© (1998) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Andrew R. Harvey ; Alain H. Greenaway ; Adriano Camps ; Javier Bara ; Francisco Torres, et al.
"Millimeter-wave aperture synthesis for remote sensing of the Earth", Proc. SPIE 3498, Sensors, Systems, and Next-Generation Satellites II, 82 (December 21, 1998); doi:10.1117/12.333620; http://dx.doi.org/10.1117/12.333620


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