A Rigorous UTD Analysis of Electromagnetic Scattering from Resistive Strips and Resistive-loaded Conducting Strips
Author: Douglas H. Casanova (CAPT, USAF.)
Publisher:
Published: 1991
Total Pages:
ISBN-13:
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Author: Douglas H. Casanova (CAPT, USAF.)
Publisher:
Published: 1991
Total Pages:
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Published: 1992
Total Pages: 312
ISBN-13:
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Published: 1992
Total Pages: 1120
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DOWNLOAD EBOOKAuthor: IEEE Antennas and Propagation Society
Publisher:
Published: 1992
Total Pages: 670
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DOWNLOAD EBOOKAuthor: W. H. Shafer
Publisher: Springer Science & Business Media
Published: 1993
Total Pages: 368
ISBN-13: 9780306444951
DOWNLOAD EBOOKVolume 36 reports (for thesis year 1991) a total of 11,024 thesis titles from 23 Canadian and 161 US universities. The organization of the volume, as in past years, consists of thesis titles arranged by discipline, and by university within each discipline. The titles are contributed by any and all a
Author: Marck C. Heaton
Publisher:
Published: 1990
Total Pages: 0
ISBN-13:
DOWNLOAD EBOOKThis paper investigates the scattering from impedance strips and impedance-loaded conducting strips. The UTd diffraction coefficient for an edge in a conductor is heuristically modified for impedance edges and junctions. Essentially, this is done by scaling the UTD diffraction coefficients according to changes in the geometrical optics field. The new diffraction coefficients are then used to investigate the scattering from impedance strips and impedance- loaded conducting strips. Both uniform and tapered impedances are considered. Results are compared to moment method and physical optics predictions and to measured data. The scattering pattern of a uniform impedance strip was seen to behave as that for a conducting strip, but at a lower level. However, tapering the impedance was seen to significantly decrease the sidelobe levels relative to the main lobe. Also, applying an impedance load to a conducting strip reduced the sidelobe levels. This was most pronounced for loads of tapered impedance. the modified UTD approach accurately predicted the sidelobe levels and locations for the simple impedance strips, and worked fairly well for the impedance-loaded conducting strips. The predictions for all geometries were better near broadside incidence than near edge-on.
Author: Marck C. Heaton
Publisher:
Published: 1990
Total Pages:
ISBN-13:
DOWNLOAD EBOOKThis paper investigates the scattering from impedance strips and impedance-loaded conducting strips. The UTd diffraction coefficient for an edge in a conductor is heuristically modified for impedance edges and junctions. Essentially, this is done by scaling the UTD diffraction coefficients according to changes in the geometrical optics field. The new diffraction coefficients are then used to investigate the scattering from impedance strips and impedance- loaded conducting strips. Both uniform and tapered impedances are considered. Results are compared to moment method and physical optics predictions and to measured data. The scattering pattern of a uniform impedance strip was seen to behave as that for a conducting strip, but at a lower level. However, tapering the impedance was seen to significantly decrease the sidelobe levels relative to the main lobe. Also, applying an impedance load to a conducting strip reduced the sidelobe levels. This was most pronounced for loads of tapered impedance. the modified UTD approach accurately predicted the sidelobe levels and locations for the simple impedance strips, and worked fairly well for the impedance-loaded conducting strips. The predictions for all geometries were better near broadside incidence than near edge-on.
Author:
Publisher:
Published: 1992
Total Pages: 1250
ISBN-13:
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Published: 1994
Total Pages: 826
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DOWNLOAD EBOOKAuthor: Leonard L. Tsai
Publisher:
Published: 1973
Total Pages: 48
ISBN-13:
DOWNLOAD EBOOKA theory is developed for the TM analysis of a two-dimensional strip which is vanishingly thin, perfectly conducting and edge loaded. Integral equations are formulated and solved numerically for the currents on the body, and the scattered fields and radar cross sections are calculated from the currents. Numerical data are presented and a limited parameter study is undertaken. (Author).