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Experimental Determination of DRW Antenna Phase Center at mm-Wavelengths Using a Planar Scanner: Comparison of Different Methods

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7 Author(s)
Padilla, P. ; Radiat. Group (GR), Tech. Univ. of Madrid (Univ. Politec. de Madrid-UPM), Madrid, Spain ; Pousi, P. ; Tamminen, A. ; Mallat, J.
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A study of the phase center position of dielectric rod waveguide (DRW) antennas (silicon and sapphire) for different millimeter-wave (mm-wave) frequencies is presented in this document. Phase center position is determined using data obtained by planar scanning and analyzed by means of different methods: least squares fit method with and without weighting coefficients and plane wave spectrum (PWS) analysis method. A study of the radiation pattern and phase center position for different mm-wave frequencies is provided and the results of the different methods are presented and compared.

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Antennas and Propagation, IEEE Transactions on  (Volume:59 ,  Issue: 8 )