NDLI: Radar cross section simulation of metal cone covered with plasma

Content Provider	IEEE Xplore Digital Library
Author	Shen Shou Chung, M.
Copyright Year	2011
Description	Author affiliation: Dept. of Electronic Engineering, Southern Taiwan University, Tainan, 710, China (Shen Shou; Chung, M.)
Abstract	Plasma is known to absorb electromagnetic waves with frequencies below characteristic plasma frequency ωp, and attenuate those with higher frequencies. The absorption capability is proportional to the square root of plasma density, and its effect can be measured in term of its radar cross section (RCS). Such phenomena appear naturally on reentry vehicle which causes radio blackout. Recently investigations on intentionally generated atmospheric or low pressure plasma in front of projectile to reduce its RCS and achieve low probability of interception (LPI) are of interests. We simulate the RCS of a near 20 degree metal cone, and compared it with the one covered by a ball shape plasma in front of it. The results indicated the RCS dependence with frequency is changed, and the RCS decreases at the bore sight direction when the incoming radar signal is below ωp, but may become higher when frequency is higher than ωp. The shape of the plasma is as important as the density in absorption capability. The results imply plasma cloaking is theoretically effective.
Starting Page	1
Ending Page	1
File Size	40840
Page Count	1
File Format	PDF
ISBN	9781612843308
ISSN	07309244
e-ISBN	9781612843292
e-ISBN	9781612843285
DOI	10.1109/PLASMA.2011.5993223
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radar Metals Plasmas
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics 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
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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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