The Absolute Radiometric Calibration Of The Advanced Very High Resolution Radiometer
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Nonlinearity Corrections in Calibration of Advanced Very High Resolution Radiometer Infrared Channels
Author | : |
Publisher | : |
Total Pages | : 8 |
Release | : 1990 |
Genre | : |
ISBN | : |
The infrared channels of the advanced very high resolution radiometer (AVHRR) are calibrated in-flight with data acquired when the AVHRR views space and a warm target on board. This determines the two coefficients of a linear calibration equation. However, in its 11- and 12- micron channels the response of the AVHRR is nonlinear. If not accounted for, the nonlinearity could cause errors as large as 2 C in inferred scene temperatures. Therefore NOAA/National Environmental Satellite, Data, and Information Service (NESDIS) computes corrections to the brightness temperatures inferred from the linear calibration. This paper describes how the corrections have been calculated at NESDIS since March 1986 and presents the corrections for the AVHRRs on the NOAA 9, 10, and 11 satellites. The corrections are calculated from results of the prelaunch calibration, in which a calibrated laboratory blackbody illuminates the AVHRR. At NESDIS the calculation of the corrections differs from that of Brown et al. (1985) because NESDIS transfers the calibration of the corrections of the laboratory blackbody to the internal calibration target of the AVHRR, but Brown et al. do not. The absolute radiometric accuracy of AVHRR data that have been corrected for the nonlinearity is approximately 0.55 C, of which 0.35 C is traceable to the calibration of the laboratory blackbody. Keywords: Reprints.
The Advanced Very High Resolution Radiometer AVHRR
Author | : Arthur P. Cracknell |
Publisher | : CRC Press |
Total Pages | : 556 |
Release | : 2024-11-01 |
Genre | : Technology & Engineering |
ISBN | : 1040293603 |
Since the launch of the first of the Advanced Very High Resolution Radiometers (AVHRRs) in 1978, the data from these instruments has used for a wide range of non-meteorological applications. In this book, the author describes satellite system, AVHRRs, control of the spacecraft, and data- recovery arrangements. The book covers processing of the data to extract useful environmental information. The applications of the data to marine problems, based primarily on the study of sea-surface temperatures from the thermal-infrared channels of the instrument, are considered, as well as the study of vegetation and a whole variety of other land-based and hydrological applications.
Scientific and Technical Aerospace Reports
Author | : |
Publisher | : |
Total Pages | : 1460 |
Release | : 1991 |
Genre | : Aeronautics |
ISBN | : |
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
advanced very high resolution radiometer AVHRR
Author | : Arthur P. Cracknell |
Publisher | : CRC Press |
Total Pages | : 558 |
Release | : 1997-04-23 |
Genre | : Technology & Engineering |
ISBN | : 9780748402090 |
Since the launch of the first of the Advanced Very High Resolution Radiometers (AVHRRs) in 1978, the data from these instruments has used for a wide range of non-meteorological applications. In this book, the author describes satellite system, AVHRRs, control of the spacecraft, and data- recovery arrangements. The book covers processing of the data to extract useful environmental information. The applications of the data to marine problems, based primarily on the study of sea-surface temperatures from the thermal-infrared channels of the instrument, are considered, as well as the study of vegetation and a whole variety of other land-based and hydrological applications.
Radiometric Calibration: Theory and Methods
Author | : Clair Wyatt |
Publisher | : Elsevier |
Total Pages | : 215 |
Release | : 2012-12-02 |
Genre | : Technology & Engineering |
ISBN | : 0323160093 |
Radiometric Calibration: Theory and Methods contains an engineering development of the theories and methods of radiometric calibration. This book is organized into 18 chapters. Chapters I to V present an introduction to nomenclature, radiation geometry, and blackbody radiation that serves to simplify the discussion of the calibration theory. The rest of the chapters provide the theory of sensor calibration, reviewing numerous examples in which laboratory equipment and specific techniques are described. Algorithms are also covered for digital computer processing as appropriate for each functional aspect of sensor characterization. This publication is intended for engineers and applied physicists concerned with sensor calibration and the interpretation of sensor data.
Advanced Very High Resolution Radiometer Calibration Data
Author | : Goddard Space Flight Center |
Publisher | : |
Total Pages | : |
Release | : 1985* |
Genre | : Radiation |
ISBN | : |
Earth Resources
Author | : |
Publisher | : |
Total Pages | : 758 |
Release | : 1983 |
Genre | : Astronautics in earth sciences |
ISBN | : |