Digital Beamforming Aspects of Wideband Circular Arrays

  title={Digital Beamforming Aspects of Wideband Circular Arrays},
  author={Hans Steyskal},
  journal={2008 IEEE Aerospace Conference},
Circular array antennas are attractive in many applications since they offer uniform beam coverage over 360 degrees in azimuth, and moreover, they can generate radiation patterns with a main beam and sidelobes that are essentially independent of frequency. In this paper we consider a wide band circular array beamforming concept based on phase modes generated by a spatial Fourier transform of the array excitation. In particular, we evaluate the computational load associated with the digital… CONTINUE READING
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