Title :
Extrapolation of time-domain responses from three-dimensional conducting objects utilizing the matrix pencil technique
Author :
Adve, Raviraj S. ; Sarkar, Tapan Kumar ; Pereira-Filho, Odilon Maroja C ; Rao, Sadasiva M.
Author_Institution :
Dept. of Electr. & Comput. Eng., Syracuse Univ., NY, USA
fDate :
1/1/1997 12:00:00 AM
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
Keywords :
electromagnetic field theory; electromagnetic wave scattering; extrapolation; finite difference time-domain analysis; integral equations; matrix algebra; time-domain analysis; FDTD formulation; complex exponentials; electric-field integral equation; electromagnetic field problems; extrapolation; finite-difference time-domain formulation; matrix pencil technique; numerical solution; three-dimensional conducting objects; time-domain responses; Computational electromagnetics; Differential equations; Electromagnetic fields; Electromagnetic scattering; Extrapolation; Finite difference methods; Fourier transforms; Frequency domain analysis; Integral equations; Time domain analysis;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
