Mathematical modelling of the apparatus channel of an infrared remote sensing system |
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| Affiliation: | 1. Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA;2. Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA;3. Eshelman School of Pharmacy, Division of Pharmacoengineering and Molecular Pharmaceutics, University of North Carolina, Chapel Hill, NC, 27599, USA;4. Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA;5. Institute for Inflammatory Diseases, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA;6. Center for Translational Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA;1. Ingine Inc., Cleveland, OH, USA;2. The Dirac Foundation, Oxfordshire, UK;3. Electronics and Telecommunications Research Institute, South Korea;1. College of Life Sciences, Department of Exercise Sciences, SFH-106, Brigham Young University, Provo, UT, 84602, USA;2. School of Sport, Exercise & Nutrition, Massey University, New Zealand;1. Department of Preventive Dentistry, Division of Orthodontics, Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan;2. Department of Biotechnology and Genetic Engineering, Faculty of Science and Art, Jordan University of Science and Technology, Irbid, Jordan |
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| Abstract: | This paper presents a mathematical model of the apparatus channel of an infrared remote sensing radiometric system. The latter comprises: (1) the sounded object. This may be a medium, such as a cloud or a dense aerosol layer caused by a temperature inversion; (2) background radiation; (3) the atmospheric channel, or the medium where the signal radiation from the sounded object and the background radiations propagate; (4) the apparatus channel or the infrared radiometer itself. The system described is useful for investigating, measuring or controlling objects and media. The apparatus channel modelled is proposed as a lock-in detector. The joint action of all types of noise due to the stochastic nature of the infrared radiation or to the optoelectronic and electronic conversions is discussed. The final results allow calculation of the apparatus channel output signal-to-noise ratio. |
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