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IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 45, NO. 1, JANUARY 1997 147 Extrapolation of Time-Domain Responses from
 

Summary: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 45, NO. 1, JANUARY 1997 147
Extrapolation of Time-Domain Responses from
Three-Dimensional Conducting Objects
Utilizing the Matrix Pencil Technique
Raviraj S. Adve, Student Member, IEEE, Tapan Kumar Sarkar, Fellow, IEEE,
Odilon Maroja C. Pereira-Filho, Student Member, IEEE, and Sadasiva M. Rao, Senior Member, IEEE
Abstract-- In this paper, we use the matrix pencil approach
to extrapolate time-domain responses from three-dimensional (3-
D) conducting objects that arise in the numerical solution of
electromagnetic field problems. By modeling the time functions
as a sum of complex exponentials, we can eliminate some of the
instabilities that arise in late times for the electric-field integral
equation in the time domain. However, this method can also
be utilized for extending the responses obtained using a finite-
difference time-domain (FDTD) formulation.
Index Terms--Time-domain analyses.
I. INTRODUCTION
IN most of computational electromagnetics the solution
technique assumes a time-harmonic behavior for all field
quantities. This implies that the solution is in the frequency

  

Source: Adve, Raviraj - Department of Electrical and Computer Engineering, University of Toronto
Sarkar, Tapan K. - Department of Electrical Engineering and Computer Science, Syracuse University

 

Collections: Engineering