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

Microwave & Radar Inst., DLR (German Aerosp. Center) Oberpfaffenhofen, Wessling, Germany

fYear

2013

fDate

9-11 Oct. 2013

Firstpage

379

Lastpage

382

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; radiometry; rectangular waveguides; slot antennas; Ka-band; MW radiometry; broadband slotted waveguide antenna; electronical beam steering; longitudinal shunt slot; microwave radiometry imaging; nonresonant mode; rectangular waveguide; scanning angle; slot spacing; Antenna measurements; Broadband antennas; Broadband communication; Electromagnetic waveguides; Radiometry; Slot antennas; broadband; electronical beam steering; radiometry; slotted waveguide antenna;

fLanguage

English

Publisher

ieee

Conference_Titel

Radar Conference (EuRAD), 2013 European

Conference_Location

Nuremberg

Type

conf

Filename

6689193