Push-broom reconnaissance camera with time expansion for a (Martian) landing-site certification

Marija Strojnik; Efrain Hernandez; Francesco Javier Ornelas; Gilberto Gomez Rosas; Norberto Arzate Plata; Juan Bautista Hurtado-Ramos

doi:10.1117/12.218618

1 September 1995 Push-broom reconnaissance camera with time expansion for a (Martian) landing: site certification

Marija Strojnik, Efrain Hernandez, Francesco Javier Ornelas, Gilberto Gomez Rosas, Norberto Arzate Plata, Juan Bautista Hurtado-Ramos

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Proceedings Volume 2555, Airborne Reconnaissance XIX; (1995) https://doi.org/10.1117/12.218618
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

A push-broom imaging camera with time expansion, selected for its ability to generate images with high resolution and high radiometric signal, is described for accurate site-certification from space. The imaging system providing the high resolution imaging requires a sensor with an increased dwell time to generate a high radiometric signal. This may be accomplished by pointing the camera at each pixel for a longer interval of time than that available due to the sensor motion in the push-broom imaging configuration. This is referred to as the push-broom imaging with time expansion. The use of the camera with time expansion may be applicable to any remote sensing imaging problem that requires simultaneously high spatial resolution and a high level of radiometric signal. For surveying a Martian landing site, it is necessitated by the imaging from an autonomous orbiting sensor that's speed is determined by its orbit and the planet mass.

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Marija Strojnik, Efrain Hernandez, Francesco Javier Ornelas, Gilberto Gomez Rosas, Norberto Arzate Plata, and Juan Bautista Hurtado-Ramos "Push-broom reconnaissance camera with time expansion for a (Martian) landing: site certification", Proc. SPIE 2555, Airborne Reconnaissance XIX, (1 September 1995); https://doi.org/10.1117/12.218618

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KEYWORDS

Cameras

Sensors

Imaging systems

Image resolution

Astatine

Signal to noise ratio

Radiometric resolution

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