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- Jenny G. Maloney, G. S. Smith, W. R. Scott
- Digest on Antennas and Propagation Societyâ€¦
- 1989

The analysis of a group of three simple antennas is used to illustrate the accuracy of the FDTD (finite-difference time-domain) method and to show that various geometrical features are handledâ€¦ (More)

- L.N. Pringle, P.H. Harms, +6 authors G. S. Smith
- IEEE Transactions on Antennas and Propagation
- 2004

A reconfigurable aperture (RECAP) antenna is described in which a planar array of electrically small, metallic patches are interconnected by switches. The antenna can be reconfigured to meetâ€¦ (More)

- R. Todd Lee, G. S. Smith
- IEEE Antennas and Propagation Societyâ€¦
- 2003

The basic TEM horn antenna consists of two identical triangular plates meeting at an apex of each. The angular width of each plate is /spl alpha/, and the angular separation between the plates isâ€¦ (More)

- R. Todd Lee, G. S. Smith
- IEEE Transactions on Antennas and Propagation
- 2004

Some time ago, Carrel presented an analytical formula, based on conformal mapping, for the characteristic impedance of the transverse electromagnetic horn antenna . Later, results from this formulaâ€¦ (More)

- G. S. Smith
- IEEE Transactions on Antennas and Propagation
- 2004

In this paper, a single-antenna reciprocity relation is derived for the time domain. First, the antenna is considered on transmission; next, the same antenna is considered when it is receiving anâ€¦ (More)

- I.R. Capoglu, G. S. Smith
- IEEE Transactions on Antennas and Propagation
- 2008

A total-field/scattered-field (TF/SF) plane-wave source is developed for the finite-difference time-domain analysis of general (possibly lossy) planar layered media. A 1-D auxiliary grid is createdâ€¦ (More)

- J.C. Maloney, M P Kesler, +4 authors G. S. Smith
- IEEE Antennas and Propagation Societyâ€¦
- 2000

This paper introduces a reconfigurable aperture concept derived from fragmented aperture design where the configuration of the fragmented aperture may be switched by the user to obtain differentâ€¦ (More)

- G. Tong Zhou, G. S. Smith
- International Symposium on Antennas andâ€¦
- 1990

A well-known problem with convergence that detracts from the theory for the thin-wire circular-loop antenna is eliminated by using a more realistic model for the excitation, one that corresponds moreâ€¦ (More)

- D.R. Reid, G. S. Smith
- IEEE Transactions on Antennas and Propagation
- 2009

A Fresnel zone plate is designed to perform the function of a doubly-hyperbolic lens. The focusing characteristics of the zone plate and the lens are compared using both measured data andâ€¦ (More)

- P.H. Harms, Jenny G. Maloney, M P Kesler, E. Kuster, G. S. Smith
- IEEE Antennas and Propagation Societyâ€¦
- 1998

The authors demonstrate an approach that is an effective, noninvasive means of measuring surface current distributions. Some guidelines for making the measurements are given, and results from anâ€¦ (More)