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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Xiao Zhou Tie Jun Cui |
| Copyright Year | 2002 |
| Abstract | In the conventional time-domain physical optics (PO) method, the far fields scattered by a metallic plate S of arbitrary shape have been given by a surface integral. However, the numerical evaluation of such a surface integral is time-consuming, which becomes the crux of time-domain PO technique. In this letter, a time-domain PO integral is formulated under the incidence of plane waves and observation in the far-field region. Then, the surface integral over S is reduced to a line integral around the boundary of S . When S is a polygon, the line integral is further reduced to a closed-form expression, which is very similar to the well-known Gordon formula in the evaluation of PO integral in the frequency domain. When S is arbitrarily shaped, the integral evaluation is also efficient once the polygon mesh is given. The efficiency and accuracy of the closed-form expression in the time domain are demonstrated through a number of numerical examples. |
| Sponsorship | IEEE Antennas and Propagation Society |
| Starting Page | 965 |
| Ending Page | 968 |
| Page Count | 4 |
| File Size | 885186 |
| File Format | |
| ISSN | 15361225 |
| Volume Number | 11 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Time domain analysis Surface waves Physical optics Optical surface waves Integral equations Scattering Closed-form solutions time-domain physical optics (PO) Closed-form far-field observation plane wave incidence |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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