Phase and group delays for circularly-polarized microstrip antennas

@article{Dong2006PhaseAG,
  title={Phase and group delays for circularly-polarized microstrip antennas},
  author={Weixin Dong and D. R. Jackson and J. T. Williams and L. Basilio},
  journal={2006 IEEE Antennas and Propagation Society International Symposium},
  year={2006},
  pages={1537-1540}
}
Applications such as high-precision GPS require an accurate characterization of the phase and group delays in the received signal. The purpose of this investigation is to explore and characterize both the phase and group delays for circularly-polarized (CP) microstrip antennas, which are common in GPS systems. Two types of CP patches are examined. The first is a square patch that is fed with a dual feed employing a 90deg phase shifter. The second is a nearly-square patch that is fed along the… CONTINUE READING

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