NDLI: Asymptotic waveform evaluation (awe) technique for frequency domain electromagnetic analysis

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Asymptotic waveform evaluation (awe) technique for frequency domain electromagnetic analysis

Content Provider	NASA Technical Reports Server (NTRS)
Author	Cockrell, C. R. Beck, F. B.
Copyright Year	1996
Description	The Asymptotic Waveform Evaluation (AWE) technique is applied to a generalized frequency domain electromagnetic problem. Most of the frequency domain techniques in computational electromagnetics result in a matrix equation, which is solved at a single frequency. In the AWE technique, the Taylor series expansion around that frequency is applied to the matrix equation. The coefficients of the Taylor's series are obtained in terms of the frequency derivatives of the matrices evaluated at the expansion frequency. The coefficients hence obtained will be used to predict the frequency response of the system over a frequency range. The detailed derivation of the coefficients (called 'moments') is given along with an illustration for electric field integral equation (or Method of Moments) technique. The radar cross section (RCS) frequency response of a square plate is presented using the AWE technique and is compared with the exact solution at various frequencies.
File Size	478666
Page Count	15
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19970005000
Archival Resource Key	ark:/13960/t6062gw73
Language	English
Publisher Date	1996-11-01
Access Restriction	Open
Subject Keyword	Communications And Radar Asymptotic Series Integral Equations Radar Cross Sections Series Expansion Waveforms Computational Electromagnetics Taylor Series Frequency Response Electric Fields Frequency Ranges Method of Moments Matrices Mathematics Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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