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Electromagnetic pulse excitation of finite- and infinitely-long lossy conductors over a lossy ground plane

Journal Article · · Journal of Electromagnetic Waves and Applications

This study details a model for the response of a finite- or an infinite-length wire interacting with a conducting ground to an electromagnetic pulse excitation. We develop a frequency–domain method based on transmission line theory that we name ATLOG – Analytic Transmission Line Over Ground. This method is developed as an alternative to full-wave methods, as it delivers a fast and reliable solution. It allows for the treatment of finite or infinite lossy, coated wires, and lossy grounds. The cases of wire above ground, as well as resting on the ground and buried beneath the ground are treated. The reported method is general and the time response of the induced current is obtained using an inverse Fourier transform of the current in the frequency domain. The focus is on the characteristics and propagation of the transmission line mode. Comparisons with full-wave simulations strengthen the validity of the proposed method.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1340513
Report Number(s):
SAND--2016-9030J; 647352
Journal Information:
Journal of Electromagnetic Waves and Applications, Journal Name: Journal of Electromagnetic Waves and Applications Journal Issue: 2 Vol. 31; ISSN 0920-5071
Publisher:
Taylor & FrancisCopyright Statement
Country of Publication:
United States
Language:
English

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