Title :
A two dimensional finite difference time domain analysis of quiet zone fields of a low frequency reflector
Author :
Ryan, D.A. ; Luebbers, R.J. ; Kunz, K.S. ; Steich, D.J. ; Nguyen, T.
Author_Institution :
Dept. of Electr. & Comput. Eng., Pennsylvania State Univ., University Park, PA, USA
Abstract :
The authors present an analysis of the reflector of a low-frequency anechoic chamber in two dimensions using the FDTD (finite-difference time-domain) method. A total field formulation is used for determination of the quiet zone fields of the low-frequency reflector. Two source excitations are examined. An analytic function is defined as the excitation source for the first example and an application of the theorem reciprocity yields the excitation source for the second example. The 2-D-FDTD results are compared with results from a 3-D corrected physical optics calculation and agreement is obtained.<>
Keywords :
anechoic chambers; electrical engineering computing; electromagnetic field theory; electromagnetic wave reflection; finite difference time-domain analysis; 2-D-FDTD; 3-D corrected physical optics; analytic function; computational electromagnetics; excitation source; finite difference time domain analysis; low frequency reflector; low-frequency anechoic chamber; quiet zone fields; source excitations; total field formulation; Anechoic chambers; Difference equations; Electromagnetic analysis; Electromagnetic propagation; Finite difference methods; Frequency domain analysis; Geometry; Maxwell equations; Physical optics; Time domain analysis;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1992. AP-S. 1992 Digest. Held in Conjuction with: URSI Radio Science Meeting and Nuclear EMP Meeting., IEEE
Conference_Location :
Chicago, IL, USA
Print_ISBN :
0-7803-0730-5
DOI :
10.1109/APS.1992.221560
