NDLI: Simulation of Airborne Radar Observations of Precipitating Systems at Various Frequency Bands

Content Provider	IEEE Xplore Digital Library
Author	Louf, V. Pujol, O. Sauvageot, H. Riedi, J.
Copyright Year	1980
Abstract	This paper addresses the question of the most efficient couple (f, θ_3dB) for airborne radar precipitating system observations, where f is the microwave frequency and θ_3dB is the beamwidth aperture at 3 dB. This problem is of importance. The meteorological hazard in civil aviation is mainly due to convective precipitating systems, particularly hail and strong turbulence areas. A realistic and flexible model of precipitating systems is presented, and simulations of airborne radar observations are performed at the six meteorological frequency bands (S, C, X, K_u, K_a, and W). In this paper, the effect of f and θ_3dB modification is shown through radar simulations of two precipitating systems. One is a numerical simulation composed of two successive rows of convective towers; the other is inspired from a real mesoscale system, presenting hail-bearing convective towers. It is shown that some (f, θ_3dB) couples are better than the one currently used by civil aviation. Notably, C band allows a better description than X band of a meteorological radar scene if the radar antenna size is increased. The model and methodology presented herein are adaptable to ground-based and satellite radars.
Sponsorship	IEEE Geoscience and Remote Sensing Society IEEE URSI
Starting Page	1627
Ending Page	1634
Page Count	8
File Size	10402356
File Format	PDF
ISSN	01962892
Volume Number	52
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	$\theta_{\rm 3dB}$-beamwidth Airborne radar meteorological hazard precipitating systems radar frequency comparison
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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