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On the attenuation of transient fields by imperfectly conducting spherical shells

Harrison, C. W., Jr. and Papas, C. H. (1965) On the attenuation of transient fields by imperfectly conducting spherical shells. IEEE Transactions on Antennas and Propagation, 13 (6). pp. 960-966. ISSN 0018-926X. https://resolver.caltech.edu/CaltechAUTHORS:20190305-104559757

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Abstract

Exact formulas for the electric and magnetic fields at any arbitrary point within a cavity region completely enclosed by a conducting spherical shell of arbitrary size are derived under the assumption that the exciting electromagnetic field is a linearly polarized, monochromatic, plane wave falling on the external surface of the shell. It is shown that the polarization of the electromagnetic field at the center of the cavity is the same as the polarization of the incident wave. From a knowledge of this steady-state solution, the time history of the electromagnetic field at the center of the cavity is calculated for the case where the incident wave is a Gaussian pulse. Numerical information on the effectiveness of the aluminum and copper shields under steady-state and transient conditions is provided for several pulse durations, shield sizes, and wall thicknesses.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1109/TAP.1965.1138552DOIArticle
Additional Information:© 1965 IEEE. Manuscript received April 5, 1965; revised June 2, 1965. The mathematical development was verified by R. S. Satterwhite. Margaret Houston programmed this problem for the Sandia Laboratory CDC-3600 Computer. The expert typing was done by Barbra A. Ford.
Issue or Number:6
Record Number:CaltechAUTHORS:20190305-104559757
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190305-104559757
Official Citation:C. Harrison and C. Papas, "On the attenuation of transient fields by imperfectly conducting spherical shells," in IEEE Transactions on Antennas and Propagation, vol. 13, no. 6, pp. 960-966, November 1965. doi: 10.1109/TAP.1965.1138552
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:93525
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:05 Mar 2019 18:52
Last Modified:03 Oct 2019 20:55

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