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Effects of Atmospheric Refraction on an Airborne Weather Radar Detection and Correction Method
Joint Authors
Wang, Lei
Wei, Ming
Yang, Tao
Liu, Ping
Source
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-06-18
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
This study investigates the effect of atmospheric refraction, affected by temperature, atmospheric pressure, and humidity, on airborne weather radar beam paths.
Using three types of typical atmospheric background sounding data, we established a simulation model for an actual transmission path and a fitted correction path of an airborne weather radar beam during airplane take-offs and landings based on initial flight parameters and X-band airborne phased-array weather radar parameters.
Errors in an ideal electromagnetic beam propagation path are much greater than those of a fitted path when atmospheric refraction is not considered.
The rates of change in the atmospheric refraction index differ with weather conditions and the radar detection angles differ during airplane take-off and landing.
Therefore, the airborne radar detection path must be revised in real time according to the specific sounding data and flight parameters.
However, an error analysis indicates that a direct linear-fitting method produces significant errors in a negatively refractive atmosphere; a piecewise-fitting method can be adopted to revise the paths according to the actual atmospheric structure.
This study provides researchers and practitioners in the aeronautics and astronautics field with updated information regarding the effect of atmospheric refraction on airborne weather radar detection and correction methods.
American Psychological Association (APA)
Wang, Lei& Wei, Ming& Yang, Tao& Liu, Ping. 2015. Effects of Atmospheric Refraction on an Airborne Weather Radar Detection and Correction Method. Advances in Meteorology،Vol. 2015, no. 2015, pp.1-8.
https://search.emarefa.net/detail/BIM-1052723
Modern Language Association (MLA)
Wang, Lei…[et al.]. Effects of Atmospheric Refraction on an Airborne Weather Radar Detection and Correction Method. Advances in Meteorology No. 2015 (2015), pp.1-8.
https://search.emarefa.net/detail/BIM-1052723
American Medical Association (AMA)
Wang, Lei& Wei, Ming& Yang, Tao& Liu, Ping. Effects of Atmospheric Refraction on an Airborne Weather Radar Detection and Correction Method. Advances in Meteorology. 2015. Vol. 2015, no. 2015, pp.1-8.
https://search.emarefa.net/detail/BIM-1052723
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1052723