Asymptotic Waveform Evaluation (Awe) Technique for Frequency Domain Electromagnetic Analysis

Asymptotic Waveform Evaluation (Awe) Technique for Frequency Domain Electromagnetic Analysis
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Publisher : Createspace Independent Publishing Platform
Total Pages : 30
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ISBN-10 : 172517135X
ISBN-13 : 9781725171350
Rating : 4/5 (350 Downloads)

Book Synopsis Asymptotic Waveform Evaluation (Awe) Technique for Frequency Domain Electromagnetic Analysis by : National Aeronautics and Space Administration (NASA)

Download or read book Asymptotic Waveform Evaluation (Awe) Technique for Frequency Domain Electromagnetic Analysis written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-16 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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. Cockrell, C. R. and Beck, F. B. Langley Research Center NASA-TM-110292, NAS 1.15:110292 RTOP 522-33-11-02...


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