Title :
A novel approach for dispersion engineering of an LPDA antenna based on time reversal technique
Author :
Farahani, H. Sarbandi ; Khaleghi, A. ; Balasingham, I.
Author_Institution :
K.N. Toosi Univ. of Technol., Tehran, Iran
Abstract :
In this paper, a novel approach based on time reversal pre-distortion technique is proposed to compensate the dispersion of a log-periodic dipole array (LPDA) antenna. The main objective is to achieve high fidelity output pulse in the main direction of the antenna. The fidelity factor of the antenna is investigated in other radiation directions using the proposed method. This eliminates the drawbacks of the methods proposed for dispersion compensation in previous works.
Keywords :
antenna radiation patterns; dipole antenna arrays; directive antennas; log periodic antennas; LPDA antenna; antenna radiation direction; dispersion compensation; dispersion engineering; fidelity factor; high fidelity output pulse; log-periodic dipole array antenna; time reversal predistortion technique; Arrays; Dipole antennas; Directive antennas; Dispersion; Ultra wideband antennas;
Conference_Titel :
Antennas and Propagation Conference (LAPC), 2011 Loughborough
Conference_Location :
Loughborough
Print_ISBN :
978-1-4577-1014-8
Electronic_ISBN :
978-1-4577-1015-5
DOI :
10.1109/LAPC.2011.6114137
