Title :
The design of a broadband slotted waveguide antenna for electronical beam steering applications in MW radiometry
Author :
Schreiber, Emil ; Jirousek, Matthias ; Peichl, Markus ; Suss, Helmut
Author_Institution :
DLR (German Aerosp. Center) Oberpfaffenhofen, Microwave & Radar Inst., Wessling, Germany
Abstract :
The design of a broadband slotted-waveguide antenna at Ka-band for electronic beam steering in microwave (MW) radiometry imaging will be introduced. The paper discusses the investigation of the enhancement of the scanning angle as a function of the slot spacing of a slotted-waveguide antenna in non-resonant mode with longitudinal shunt slots on the wide side of the rectangular waveguide. Furthermore a method for the improvement of the broadband antenna character is presented, which is a mandatory factor for a successful use in MW radiometry imaging applications.
Keywords :
beam steering; broadband antennas; microwave imaging; radiometry; rectangular waveguides; slot antennas; Ka-band; MW radiometry imaging; broadband antenna character improvement; broadband slotted waveguide antenna design; electronical beam steering applications; longitudinal shunt slots; microwave radiometry imaging; nonresonant mode; rectangular waveguide; scanning angle enhancement; slot spacing function; Antenna measurements; Broadband antennas; Broadband communication; Microwave radiometry; Slot antennas; broadband; electronical beam steering; radiometry; slotted waveguide antenna;
Conference_Titel :
Microwave Conference (EuMC), 2013 European
Conference_Location :
Nuremberg
