Backscattering Cross Section of Ultrawideband Antennas

Author

Hu, Sanming ; Chen, Honghui ; Law, Choi Look ; Shen, Zhongxiang ; Zhu, Lei ; Zhang, Wenxun ; Dou, Wenbin

Author_Institution

Positioning & Wireless Technol. Centre, Nanyang Technol. Univ.

Volume

6

fYear

2007

fDate

6/29/1905 12:00:00 AM

Firstpage

70

Lastpage

73

Abstract

Backscattering of ultrawideband (UWB) antennas is theoretically and experimentally studied in this letter. The finite-difference time-domain (FDTD) method using Berenger´s perfectly matched layer absorbing boundary condition (PML-ABC) is employed for simulation and the measurement is carried out in indoor environment. Monostatic radar cross section (RCS) of square-slot antenna and printed circular-disc monopole antenna (PCDMA) terminated with three different kinds of loads are numerically calculated and experimentally verified. They are in good agreement in the frequency range from 3 to 11 GHz. Afterwards, scattering characteristics of the structural and antenna modes of two kinds of UWB antenna structures are extensively characterized in both the frequency domain and time domain

Keywords

backscatter; electromagnetic wave absorption; finite difference time-domain analysis; microstrip antennas; monopole antennas; radar cross-sections; slot antennas; ultra wideband antennas; 3 to 11 GHz; FDTD; PCDMA; RCS; UWB antennas; backscattering cross section; finite-difference time-domain method; monostatic radar cross section; perfectly matched layer absorbing boundary condition; printed circular-disc monopole antenna; scattering characteristics; square-slot antenna; ultrawideband antennas; Antenna theory; Backscatter; Boundary conditions; Finite difference methods; Loaded antennas; Perfectly matched layers; Radar antennas; Time domain analysis; Ultra wideband antennas; Ultra wideband technology; finite-difference time domain (FDTD); radar cross section (RCS); time domain; ultrawideband (UWB) antenna;

fLanguage

English

Journal_Title

Antennas and Wireless Propagation Letters, IEEE

Publisher

ieee

ISSN

1536-1225

Type

jour

DOI

10.1109/LAWP.2007.893069

Filename

4137528