Application Of Awe For Rcs Frequency Response Calculations Using Method Of Moments Final Report Nasa Cr 4758 Mar 24 1997
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APPLICATION OF AWE FOR RCS FREQUENCY RESPONSE CALCULATIONS USING METHOD OF MOMENTS FINAL REPORT... NASA-CR-4758... MAR. 24, 1997
Author: United States. National Aeronautics and Space Administration
language: en
Publisher:
Release Date: 1998*
Application of Awe for RCS Frequency Response Calculations Using Method of Moments
Author: National Aeronautics and Space Adm Nasa
language: en
Publisher: Independently Published
Release Date: 2018-10-22
An implementation of the Asymptotic Waveform Evaluation (AWE) technique is presented for obtaining the frequency response of the Radar Cross Section (RCS) of arbitrarily shaped, three-dimensional perfect electric conductor (PEC) bodies. An Electric Field Integral Equation (EFIE) is solved using the Method of Moments (MoM) to compute the RCS. The electric current, thus obtained, is expanded in a Taylor series around the frequency of interest. The coefficients of the Taylor series (called 'moments') are obtained using the frequency derivatives of the EFIE. Using the moments, the electric current on the PEC body is obtained over a frequency band. Using the electric current at different frequencies, RCS of the PEC body is obtained over a wide frequency band. Numerical results for a square plate, a cube, and a sphere are presented over a bandwidth. A good agreement between AWE and the exact solution over the bandwidth is observed. Reddy, C. J. and Deshpande, M. D. Unspecified Center NAS1-19935; RTOP 505-64-52-04...