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1 August 1991 SPOT 4 HRVIR instrument and future high-resolution stereo instruments
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Current SPOT-4 technical mission research and development programs concentrate on an increase in geometrical resolution amounting to pixel size of or less than 5 meters; along-track stereo imagery based on two images from the two cameras obtained in a few seconds; and continuity of the SPOT service. Modifications to be made to the camera design include the optical combination for a high quality image to 1.6 micron and development of large band visible and MIR optical coating; development of a 3000-point detector for the MIR band; complete rearrangement of the focal plane; complete redesign of the video electronics to eliminate interference and correct obscurity signals; and installation of active temperature control on the MIR channel.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Claude Fratter, Jean-Francois Reulet, and Jacky Jouan "SPOT 4 HRVIR instrument and future high-resolution stereo instruments", Proc. SPIE 1490, Future European and Japanese Remote-Sensing Sensors and Programs, (1 August 1991);


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