Abstract
In this paper, we present an electromagnetic analysis for three-dimensional arbitrarily shaped large structures illuminated by a short pulse. The time domain electric field integral equation (EFIE) formulation is used to obtain the early time data with a central differencing scheme to evaluate the time derivatives of the potential functions. The solution method is based on the method of moments (MoM) and marching-on-in-lime (MOT) technique. Low frequency data is generated using a frequency domain integral equation method. The hybrid method is based on the singular value decomposition (SVD) of the frequency and the time domain data for a direct extrapolation of a causal signal. The detailed mathematical procedures are included along with representative numerical results from an aircraft model.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 898-904 |
| Number of pages | 7 |
| Journal | Microwave and Optical Technology Letters |
| Volume | 49 |
| Issue number | 4 |
| DOIs | |
| State | Published - Apr 2007 |
Keywords
- Central difference
- Early-time and low-frequency data
- Electric field integral equation
- Electromagnetic wave scattering
- Hybrid method
- Implicit method
- Marching-on-in-time
- Method of moments
- Singular value decomposition
- Time domain analysis
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics
- Electrical and Electronic Engineering