Error Analysis of Airborne LiDAR Retro-Reflection Measurements PDF Download
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 31
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Book Description
LiDAR data was collected by the Airborne 1 Corporation for the Naval Research Laboratory over a ground set-up that included nine retro-reflective panels. The results of the LiDAR experiment are very promising, demonstrating the ability to discriminate the retro-reflective panels from the grassy background. Interestingly, although a high-discrimination capability was demonstrated, the LiDAR data also exhibited strong signal fluctuations. We investigate the error contributors and their potential effects on measured LiDAR signal levels through an analysis of the system noise, atmospheric properties, and analysis of potential sampling variances, related to system and test parameters of the data collect. The analysis techniques explored with this NRL LiDAR data set aid in planning of future tests and further development of the actively-illuminated taggant concepts.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 31
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Book Description
LiDAR data was collected by the Airborne 1 Corporation for the Naval Research Laboratory over a ground set-up that included nine retro-reflective panels. The results of the LiDAR experiment are very promising, demonstrating the ability to discriminate the retro-reflective panels from the grassy background. Interestingly, although a high-discrimination capability was demonstrated, the LiDAR data also exhibited strong signal fluctuations. We investigate the error contributors and their potential effects on measured LiDAR signal levels through an analysis of the system noise, atmospheric properties, and analysis of potential sampling variances, related to system and test parameters of the data collect. The analysis techniques explored with this NRL LiDAR data set aid in planning of future tests and further development of the actively-illuminated taggant concepts.
Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
ISBN: 9781723875502
Category : Science
Languages : en
Pages : 52
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Book Description
Remote airborne measurements of the vertical and horizontal structure of the atmospheric pressure field in the lower troposphere are made with an oxygen differential absorption lidar (DIAL). A detailed analysis of this measurement technique is provided which includes corrections for imprecise knowledge of the detector background level, the oxygen absorption fine parameters, and variations in the laser output energy. In addition, we analyze other possible sources of systematic errors including spectral effects related to aerosol and molecular scattering interference by rotational Raman scattering and interference by isotopic oxygen fines.Flamant, Cyrille N. and Schwemmer, Geary K. and Korb, C. Laurence and Evans, Keith D. and Palm, Stephen P.Goddard Space Flight CenterREMOTE SENSING; ATMOSPHERIC PRESSURE; PRESSURE MEASUREMENT; VERTICAL DISTRIBUTION; DIFFERENTIAL ABSORPTION LIDAR; RAMAN SPECTRA; AEROSOLS; TROPOSPHERE; SYSTEMATIC ERRORS; OPTICAL RADAR
Author: Gary C. Guenther
Publisher:
ISBN:
Category : Aeronautics in oceanography
Languages : en
Pages : 228
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 704
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Author: Patrick Wetarni Adda
Publisher:
ISBN:
Category : Optical radar
Languages : en
Pages : 266
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781723559754
Category :
Languages : en
Pages : 260
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Book Description
A near infrared differential absorption lidar technique is developed using atmospheric oxygen as a tracer for high resolution vertical profiles of pressure and temperature with high accuracy. Solid-state tunable lasers and high-resolution spectrum analyzers are developed to carry out ground-based and airborne measurement demonstrations and results of the measurements presented. Numerical error analysis of high-altitude airborne and spaceborne experiments is carried out, and system concepts developed for their implementation. Korb, C. Laurence and Schwemmer, Geary K. and Famiglietti, Joseph and Walden, Harvey and Prasad, Coorg Goddard Space Flight Center NASA-TM-104618, NAS 1.15:104618, REPT-95B00061, NIPS-96-08347 RTOP 460-28-40...
Author: Charles K. Toth
Publisher:
ISBN:
Category : Motor vehicles
Languages : en
Pages : 124
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Book Description
ODOT's Office of Aerial Engineering (OAE) has been using an Opetch 30/70 ALTM airborne LiDAR system for about four years. The introduction of LiDAR technology was a major development towards improving the mapping operations. The overall experiences are excellent as evidenced by numerous projects where highly accurate surface data were produced in an unprecedentedly short time. As is typically with new technology, OAE has identified areas for improvements in terms of achieving better accuracy and increasing data processing efficiency. In particular, the horizontal accuracy of the LiDAR product required further attention. The objectives of this research were to (1) introduce ground control to LiDAR by using road pavement makings that can be precisely surveyed by ODOT's system; (2) preform a strip adjustment for seamless integration of strips into the final product; (3) improve the horizontal accuracy in order to better characterize the final product; and (4) improve accuracy (both horizontal and vertical) to use ground control that is less labor-intense, requires no or limited surveying and imposes less restrictions in normal field operations.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 944
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 980
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Author:
Publisher:
ISBN:
Category : Lasers
Languages : en
Pages : 624
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Book Description
