Title :
Control of Effective Wavelength in the Waveguide for Grating Lobes Suppression of Slotted Waveguide Array
Author :
Matsui, Toru ; Sakakibara, Kunio ; Ikeno, Yuki ; Kawaguchi, Kazushi ; Kikuma, Nobuyoshi ; Hirayama, Hiroshi
Author_Institution :
Dept. of Comput. Sci. & Eng., Nagoya Inst. of Technol., Nagoya
Abstract :
Slotted waveguide array antenna with no grating lobes is designed and performance is evaluated by simulation. Grating lobes are suppressed by shortening the slot spacing or the effective guided wavelength in the waveguide by using metamaterial technique. Effect to suppress the grating lobe is confirmed by simulation of radiation pattern.
Keywords :
antenna radiation patterns; metamaterials; slot antenna arrays; antenna radiation pattern; grating lobes suppression; metamaterial technique; slotted waveguide array antenna; wavelength control; Antenna arrays; Arrayed waveguide gratings; Capacitance; Distributed parameter circuits; Electromagnetic waveguides; Inductance; Phased arrays; Polarization; Propagation delay; Slot antennas;
Conference_Titel :
Antenna Technology: Small Antennas and Novel Metamaterials, 2008. iWAT 2008. International Workshop on
Conference_Location :
Chiba
Print_ISBN :
978-1-4244-1522-9
DOI :
10.1109/IWAT.2008.4511369
