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Possible Measurement Errors In Calibrated Avhrr Data
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Book Synopsis Possible Measurement Errors in Calibrated AVHRR Data by : Robert Paul D'Entremont
Download or read book Possible Measurement Errors in Calibrated AVHRR Data written by Robert Paul D'Entremont and published by . This book was released on 1988 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Visible and infrared meteorological satellite data are a primary source of global cloud observations. Such data are calibrated in order to provide its users with a method for converting from 'raw' measurements, called counts, to physically sensible measurements such as albedo or brightness temperature. This report describes the procedure for converting National Oceanic and Atmospheric Administration Advanced Very High Resolution Radiometer (NOAA AVHRR) raw counts to albedos and brightness temperatures. This procedure involves the use of 'calibration coefficients' that help define the relationship between the raw counts and the physical measurements they represent. Such relationships are referred to as 'look-up-tables'. In theory, calibration coefficients (and therefore look-up tables) do not change noticeably from one scanline of satellite data to the next. This makes feasible the generation of a constant look-up table that can be used over long periods of time for all data. In practice, calibration coefficients can and often do change from one scan to the next. These changes imply accuracy errors in measured brightness temperatures that are significant for some satellite data analysis algorithms; others are less severely affected. This report addresses the potential errors that can be expected when using constant look-up tables, i.e., by assuming that sensor calibration does not change from one scanline to the next.
Book Synopsis Possible Measurement Errors in Calibrated AVHRR Data by : Robert Paul d'Entremont
Download or read book Possible Measurement Errors in Calibrated AVHRR Data written by Robert Paul d'Entremont and published by . This book was released on 1988 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Possible Measurement Errors in Calibrated AVHRR (Advanced Very High Resolution Radiometer) Data by : Robert P. D'Entremont
Download or read book Possible Measurement Errors in Calibrated AVHRR (Advanced Very High Resolution Radiometer) Data written by Robert P. D'Entremont and published by . This book was released on 1988 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Visible and infrared meteorological satellite data are a primary source of global cloud observations. Such data are calibrated in order to provide its users with a method for converting from 'raw' measurements, called counts, to physically sensible measurements such as albedo or brightness temperature. This report describes the procedure for converting National Oceanic and Atmospheric Administration Advanced Very High Resolution Radiometer (NOAA AVHRR) raw counts to albedos and brightness temperatures. This procedure involves the use of 'calibration coefficients' that help define the relationship between the raw counts and the physical measurements they represent. Such relationships are referred to as 'look-up-tables'. In theory, calibration coefficients (and therefore look-up tables) do not change noticeably from one scanline of satellite data to the next. This makes feasible the generation of a constant look-up table that can be used over long periods of time for all data. In practice, calibration coefficients can and often do change from one scan to the next. These changes imply accuracy errors in measured brightness temperatures that are significant for some satellite data analysis algorithms; others are less severely affected. This report addresses the potential errors that can be expected when using constant look-up tables, i.e., by assuming that sensor calibration does not change from one scanline to the next. (fr).
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1993 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Earth Resources written by and published by . This book was released on 1983 with total page 758 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Earth Resources: A Continuing Bibliography with Indexes (issue 61) by :
Download or read book Earth Resources: A Continuing Bibliography with Indexes (issue 61) written by and published by . This book was released on 1989 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Research Papers written by and published by . This book was released on 1988 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Earth Resources written by and published by . This book was released on 1989 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International Aerospace Abstracts (IAA).
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1992-03 with total page 1366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in the Use of NOAA AVHRR Data for Land Applications by : Giles D'Souza
Download or read book Advances in the Use of NOAA AVHRR Data for Land Applications written by Giles D'Souza and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: An up-to-date, detailed set of notes covering all aspects of NOAA AVHRR data collection, pre-processing, analysis and application. Includes many FTP sites, e-mail addresses and URL locations. Some chapters address particular aspects of the NOAA AVHRR system, such as radiometric calibration and geometric correction, while others provide general information of interest to any remote sensing study, such as radiative transfer modelling and atmospheric correction. The publication of a book that covers all important aspects of the treatment and understanding of the data in one volume makes the work a convenient, informative `recipe book' that is sure to become a favourite for all users of NOAA AVHRR data.
Download or read book Monthly Weather Review written by and published by . This book was released on 1993 with total page 1084 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Radiometry for Ocean Climate Measurements by :
Download or read book Optical Radiometry for Ocean Climate Measurements written by and published by Academic Press. This book was released on 2014-11-13 with total page 723 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the state-of-the-art of optical remote sensing applied for the generation of marine climate-quality data products, with contributions by international experts in the field. The chapters are logically grouped into six thematic parts, each introduced by a brief overview. The different parts include: i. requirements for the generation of climate data records from satellite ocean measurements and additionally basic radiometry principles addressing terminology, standards, measurement equation and uncertainties; ii. satellite visible and thermal infrared radiometry embracing instrument design, characterization and, pre- and post-launch calibration; iii. in situ visible and thermal infrared radiometry including overviews on basic principles, technology and measurements methods required to support satellite missions devoted to climate change investigations; iv. simulations as fundamental tools to support interpretation and analysis of both in situ and satellite radiometric measurements; v. strategies for in situ radiometry to satisfy mission requirements for the generation of climate data records; and finally, vi. methods for the assessment of satellite data products. Fundamentals of measurement theory are taken through to implementation of practical ground based radiometers and their application to validate satellite data used to generate climate data records. This book presents practical solutions for those involved or contemplating the validation of optical climate measurements from satellite instruments. Exhaustive coverage of important topics Fundamental and advanced discussions of many types of instruments Emphasis on calibration and uncertainty analysis of results
Book Synopsis Report of the UNEP/FAO Expert Consultation on Environmental Parameters in Future Global Forest Assessments by :
Download or read book Report of the UNEP/FAO Expert Consultation on Environmental Parameters in Future Global Forest Assessments written by and published by . This book was released on 1993 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis LiDARderived floodinundation maps for realtime floodmapping applications, Tar River Basin, North Carolina by :
Download or read book LiDARderived floodinundation maps for realtime floodmapping applications, Tar River Basin, North Carolina written by and published by DIANE Publishing. This book was released on with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781725625181 Total Pages :32 pages Book Rating :4.6/5 (251 download)
Book Synopsis Air Data Position-Error Calibration Using State Reconstruction Techniques by : National Aeronautics and Space Administration (NASA)
Download or read book Air Data Position-Error Calibration Using State Reconstruction Techniques written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-16 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the highly maneuverable aircraft technology (HiMAT) flight test program recently completed at NASA Ames Research Center's Dryden Flight Research Facility, numerous problems were experienced in airspeed calibration. This necessitated the use of state reconstruction techniques to arrive at a position-error calibration. For the HiMAT aircraft, most of the calibration effort was expended on flights in which the air data pressure transducers were not performing accurately. Following discovery of this problem, the air data transducers of both aircraft were wrapped in heater blankets to correct the problem. Additional calibration flights were performed, and from the resulting data a satisfactory position-error calibration was obtained. This calibration and data obtained before installation of the heater blankets were used to develop an alternate calibration method. The alternate approach took advantage of high-quality inertial data that was readily available. A linearized Kalman filter (LKF) was used to reconstruct the aircraft's wind-relative trajectory; the trajectory was then used to separate transducer measurement errors from the aircraft position error. This calibration method is accurate and inexpensive. The LKF technique has an inherent advantage of requiring that no flight maneuvers be specially designed for airspeed calibrations. It is of particular use when the measurements of the wind-relative quantities are suspected to have transducer-related errors. Whitmore, S. A. and Larson, T. J. and Ehernberger, L. J. Ames Research Center NASA-TM-86029, H-1217, NAS 1.15:86029 RTOP 505-31-21...
Book Synopsis Data Analysis Methods in Physical Oceanography by : Richard E. Thomson
Download or read book Data Analysis Methods in Physical Oceanography written by Richard E. Thomson and published by Newnes. This book was released on 2014-07-14 with total page 729 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data Analysis Methods in Physical Oceanography, Third Edition is a practical reference to established and modern data analysis techniques in earth and ocean sciences. Its five major sections address data acquisition and recording, data processing and presentation, statistical methods and error handling, analysis of spatial data fields, and time series analysis methods. The revised Third Edition updates the instrumentation used to collect and analyze physical oceanic data and adds new techniques including Kalman Filtering. Additionally, the sections covering spectral, wavelet, and harmonic analysis techniques are completely revised since these techniques have attracted significant attention over the past decade as more accurate and efficient data gathering and analysis methods. Completely updated and revised to reflect new filtering techniques and major updating of the instrumentation used to collect and analyze data Co-authored by scientists from academe and industry, both of whom have more than 30 years of experience in oceanographic research and field work Significant revision of sections covering spectral, wavelet, and harmonic analysis techniques Examples address typical data analysis problems yet provide the reader with formulaic “recipes for working with their own data Significant expansion to 350 figures, illustrations, diagrams and photos
Book Synopsis U.S. Army Corps of Engineers Fifth Remote Sensing Symposium, October 28-30, 1985, Ann Arbor, Michigan, USA by :
Download or read book U.S. Army Corps of Engineers Fifth Remote Sensing Symposium, October 28-30, 1985, Ann Arbor, Michigan, USA written by and published by . This book was released on 1986 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
