Analysis and Design of a Ka-Band Satellite Shaped Offset Reflector Antenna For Producing a Contoured Beam To Cover The Taiwan Region

Huey-Ru Chuang, Sheng Lung Chen, Chien Yung Chiang

Research output: Contribution to journalArticle

Abstract

Analysis and design of a Ka-band (20-GHz) satellite offset-fed shaped reflector antenna with a single feed for producing a contoured beam to cover the Taiwan region is presented. The design of this shaped reflector antenna is for future geostationary (GEO) satellite communication or DBS (direct broadcasting satellite) applications to serve the Taiwan region. The geometrical optics (GO)/aperture field (AF) method and aperture phase optimization procedures are employed for reflector surface shaping to produce the desired contoured beam. The physical optics (PO) method is used to accurately calculate the far-field radiation pattern. Numerical simulation results show that the designed shaped reflector produces a Taiwan region converge beam and effectively reduces the antenna gain level in the nearby area of mainland China. Further reduction of the antenna gain level can be achieved by shifting the boresight direction of the satellite antenna for a certain small angle.

Original languageEnglish
Pages (from-to)245-256
Number of pages12
JournalJournal of the Chinese Institute of Engineers, Transactions of the Chinese Institute of Engineers,Series A/Chung-kuo Kung Ch'eng Hsuch K'an
Volume18
Issue number2
DOIs
Publication statusPublished - 1995 Jan 1

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Antenna reflectors
Antenna feeders
Satellites
Satellite antennas
Antennas
Geostationary satellites
Physical optics
Geometrical optics
Broadcasting
Communication
Computer simulation

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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abstract = "Analysis and design of a Ka-band (20-GHz) satellite offset-fed shaped reflector antenna with a single feed for producing a contoured beam to cover the Taiwan region is presented. The design of this shaped reflector antenna is for future geostationary (GEO) satellite communication or DBS (direct broadcasting satellite) applications to serve the Taiwan region. The geometrical optics (GO)/aperture field (AF) method and aperture phase optimization procedures are employed for reflector surface shaping to produce the desired contoured beam. The physical optics (PO) method is used to accurately calculate the far-field radiation pattern. Numerical simulation results show that the designed shaped reflector produces a Taiwan region converge beam and effectively reduces the antenna gain level in the nearby area of mainland China. Further reduction of the antenna gain level can be achieved by shifting the boresight direction of the satellite antenna for a certain small angle.",
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