Journal
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
Volume 16, Issue -, Pages 1723-1726Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2017.2669910
Keywords
Equivalent dipole moment (EDM); method of moments (MoM); MoM-PO; physical optics (PO)
Funding
- National Natural Science Foundation of China [61331007, 61571085, 61301271, 41306192, 41476088]
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A new efficient hybrid method is proposed for calculating the electromagnetic scattering and radiation from electrically large, three-dimensional, perfect electric conductor objects. The method consists of efficient iterative method of moments-physical optics (EI-MoM-PO) and equivalent dipole moment (EDM). The EDM is adopted to fill the MoM impedance matrix and accelerate the evaluation of the coupling between MoM and PO regions, which promotes the computing efficiency. Furthermore, combined with EI-MoM-PO method, the proposed hybrid method is easier to implement and the formulations are more refined compared to the traditional MoM-PO method. Numerical results indicate that the proposed method has high accuracy and good robustness and can greatly reduce the computational time.
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