Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor download torrent
Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor download torrent
Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor.cW J Koshak
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Author: W J Koshak
Page Count: 58 pages
Published Date: 06 Aug 2013
Publisher: Bibliogov
Publication Country: United States
Language: English
ISBN: 9781289286989
File Name: Aldf.Data.Retrieval.Algorithms.for.Validating.the.Optical.Transient.Detector.(Otd).and.the.Lightning.Imaging.Sensor.pdf
Download Link: Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor
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A linear algebraic solution is provided for the problem of retrieving the location and time of occurrence of lightning ground strikes from in Advanced Lightning Direction Finder (ALDF) network. The ALDF network measures field strength, magnetic bearing, and arrival time of lightning radio emissions and solutions for the plane (i.e.. no Earth curvature) are provided that implement all of these measurements. The accuracy of the retrieval method is tested using computer-simulated data sets and the relative influence of bearing and arrival time data on the outcome of the final solution is formally demonstrated. The algorithm is sufficiently accurate to validate NASA's Optical Transient Detector (OTD) and Lightning Imaging System (LIS). We also introduce a quadratic planar solution that is useful when only three arrival time measurements are available. The algebra of the quadratic root results are examined in detail to clarify what portions of the analysis region lead to fundamental ambiguities in source location. Complex root results are shown to be associated with the presence of measurement errors when the lightning source lies near an outer sensor baseline of the ALDF network. For arbitrary noncollinear network geometries and in the absence of measurement errors, it is shown that the two quadratic roots are equivalent (no source location ambiguity) on the outer sensor baselines. The accuracy of the quadratic planar method is tested with computer-generated data sets and the results are generally better than those obtained from the three station linear planar method when bearing errors are about 2 degrees.
Read online Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor Buy Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor Download and read Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor ebook, pdf, djvu, epub, mobi, fb2, zip, rar, torrent Download to iPad/iPhone/iOS, B&N nook Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor ebook, pdf, djvu, epub, mobi, fb2, zip, rar, torrent
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Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor.cW J Koshak
Author: W J Koshak
Page Count: 58 pages
Published Date: 06 Aug 2013
Publisher: Bibliogov
Publication Country: United States
Language: English
ISBN: 9781289286989
File Name: Aldf.Data.Retrieval.Algorithms.for.Validating.the.Optical.Transient.Detector.(Otd).and.the.Lightning.Imaging.Sensor.pdf
Download Link: Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor
---------------------------------------------------------------
A linear algebraic solution is provided for the problem of retrieving the location and time of occurrence of lightning ground strikes from in Advanced Lightning Direction Finder (ALDF) network. The ALDF network measures field strength, magnetic bearing, and arrival time of lightning radio emissions and solutions for the plane (i.e.. no Earth curvature) are provided that implement all of these measurements. The accuracy of the retrieval method is tested using computer-simulated data sets and the relative influence of bearing and arrival time data on the outcome of the final solution is formally demonstrated. The algorithm is sufficiently accurate to validate NASA's Optical Transient Detector (OTD) and Lightning Imaging System (LIS). We also introduce a quadratic planar solution that is useful when only three arrival time measurements are available. The algebra of the quadratic root results are examined in detail to clarify what portions of the analysis region lead to fundamental ambiguities in source location. Complex root results are shown to be associated with the presence of measurement errors when the lightning source lies near an outer sensor baseline of the ALDF network. For arbitrary noncollinear network geometries and in the absence of measurement errors, it is shown that the two quadratic roots are equivalent (no source location ambiguity) on the outer sensor baselines. The accuracy of the quadratic planar method is tested with computer-generated data sets and the results are generally better than those obtained from the three station linear planar method when bearing errors are about 2 degrees.
Read online Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor Buy Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor Download and read Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor ebook, pdf, djvu, epub, mobi, fb2, zip, rar, torrent Download to iPad/iPhone/iOS, B&N nook Aldf Data Retrieval Algorithms for Validating the Optical Transient Detector (Otd) and the Lightning Imaging Sensor ebook, pdf, djvu, epub, mobi, fb2, zip, rar, torrent
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