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12 December 1978 Radiometers For Measurements Of Space Objects
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Lincoln Laboratory has developed and is operating a Ground Electro-Optical Deep Space Surveillance (GEODSS) Experimental Test System (ETS) for detecting and measuring the position of artificial satellites'. Based on this work a GEODSS system is being deployed worldwide by TRW under contract to the Air Force. Described is a GaAs single cell radiometer which is based on an operating radiometer at the ETS. The calculated performance of the radiometer is compared with that expected using CCD's and intensified CCD's. The CCD promises improved performance over the GaAs design under bright sky conditions and for faint objects against a dark sky but at the expense of more complexity in data recording and reduction. The intensified CCD improves the performance of the CCD in the proposed system only if the CCD has an electronic readout noise in excess of 30 electrons and then only under dark sky conditions.
© (1978) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
F. L. McNamara and W. E. Krag "Radiometers For Measurements Of Space Objects", Proc. SPIE 0156, Modern Utilization of Infrared Technology IV, (12 December 1978);


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