An Advanced Image Plane Scanner For Earth Observation From Space

Armand Peraldi

doi:10.1117/12.956776

12 December 1978 An Advanced Image Plane Scanner For Earth Observation From Space

Armand Peraldi

Proceedings Volume 0156, Modern Utilization of Infrared Technology IV; (1978) https://doi.org/10.1117/12.956776
Event: 22nd Annual Technical Symposium, 1978, San Diego, United States

Abstract

An image plane scanner concept has been evaluated for application to a medium resolution visible and infrared multispectral imaging instrument (MRVIR) that was originally planned to be flown on the french Earth Observation satellite SPOT-1. The instrument design in-cludes several distinctive features, in particular (1) an all-reflective Schmidt Telescope having 17° fov, (2) a 18 - objectives scan wheel supported on a magnetic bearing, (3) dichroic beam splitters, (4) cooled focal plane array for IR detectors, (5) CFRP structure , (6) semi-active thermal control. MRVIR is designed to provide 70 m ground resolution in bands 1-6 and 140 m in band 7 (thermal infrared). A relatively large swath width of 240 kms improves the repetition rate of the ground coverage.

Citation Download Citation

Armand Peraldi "An Advanced Image Plane Scanner For Earth Observation From Space", Proc. SPIE 0156, Modern Utilization of Infrared Technology IV, (12 December 1978); https://doi.org/10.1117/12.956776

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