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12 July 1983 Advanced Low Altitude Infrared Earth Sensors
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Novel low altitude infrared earth sensors are described. A static horizon sensor utilises the state of art technology in electronics to minimise the effect of radiance gradient by taking ratio of the radiometric signals by a hard wired or micro-processor based system. A scanning sensor is also being developed which scans radially at four edges on earth using a single scan assembly thus reducing errors caused by conventional techniques.
© (1983) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
T. K. Alex, Y. K. Jain, K. Kanakaraju, and J. A. Kamalakar "Advanced Low Altitude Infrared Earth Sensors", Proc. SPIE 0366, Modern Utilization of infrared Technology VIII, (12 July 1983);


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