The Electronically Steered Thinned Array Radiometer (ESTAR)

Details The Electronically Steered Thinned Array Radiometer (ESTAR) The Electronically Steered Thinned Array Radiometer (ESTAR)

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986rsmt.conf..591s&link_type=abstract

In ESA Proceedings of the 1986 International Geoscience and Remote Sensing Symposium (IGARSS '86) on Remote Sensing: Today's Sol

Astronomy and Astrophysics

Astronomy

Antenna Arrays, Antenna Design, Earth Observations (From Space), Microwave Radiometers, Synthetic Arrays, Pushbroom Sensor Modes, Radio Astronomy, Synthetic Apertures, Technology Transfer

Scientific paper

The concept of a thinned array radiometer is described as an alternate to large filled apertures to achieve high resolution imaging from space. The serious limitations of conventional mechanical scanning systems and the practical problems associated with a multiple receiver pushbroom system that utilizes a large antenna are discussed. The thinned array is developed in terms of aperture synthesis techniques used in radio astronomy. Examples of thinned array configurations are presented, and future directions are discussed.

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