Title :
2-D FDFD Analysis of Electromagnetic Scattering by Complex Targets
Author :
Xiao-juan, HU ; De-biao, Ge ; Bing, Wei
Author_Institution :
Dept. of Phys., Xidian Univ., Xi´´an
Abstract :
The formulations in finite-difference frequency-domain (FDFD) computational domain are obtained from Maxwell´s equations. The absorbing boundary and total-field boundary are analyzed in detail in order to simulate electromagnetic scattering problems in open region. The incident wave is introduced by setting equivalent electromagnetic currents on the total-field boundary. In order to save memory and speed up the solving speed, a compressed storage scheme and the conjugate gradient method are adopted respectively. The Kirchhoff surface integral representation is used to calculate the far field from the FDFD near field data . Numerical examples are presented to verify this method.
Keywords :
Maxwell equations; conjugate gradient methods; electromagnetic wave scattering; finite difference methods; frequency-domain analysis; integral equations; 2D FDFD analysis; Kirchhoff surface integral representation; Maxwell´s equations; complex targets; conjugate gradient method; electromagnetic currents; electromagnetic scattering; finite-difference frequency-domain method; storage scheme; total-field boundary; Electromagnetic analysis; Electromagnetic scattering; Finite difference methods; Frequency domain analysis; Gradient methods; Magnetic analysis; Maxwell equations; Physics; Radar scattering; Time domain analysis;
Conference_Titel :
Antennas, Propagation & EM Theory, 2006. ISAPE '06. 7th International Symposium on
Conference_Location :
Guilin
Print_ISBN :
1-4244-0162-3
Electronic_ISBN :
1-4244-0163-1
DOI :
10.1109/ISAPE.2006.353583
