TY - GEN
T1 - Improved-Reliability Phase-Retrieval with Broadband Antenna Measurements
AU - Paulus, Alexander
AU - Knapp, Josef
AU - Kornprobst, Jonas
AU - Eibert, Thomas F.
N1 - Publisher Copyright:
© 2020 EurAAP.
PY - 2020/3
Y1 - 2020/3
N2 - Conventional phaseless near-field measurement data is not adequate for reliable transformation into the far field. We tackle this challenge by a formulation working with multifrequency phaseless measurements under the assumption of coherently measured spectra. Such data is, for instance, obtained with a transmitting antenna under test and standard receivers featuring a nonzero coherent bandwidth. The focus of this work is on an advanced algorithm to demonstrate that this ansatz is very promising for further research and real-world investigations. Empirical studies based on simulation data demonstrate that appropriately merging this multi-frequency data significantly increases the chance of successful phaseless near-field far-field transformation. As a by-product, this multi-frequency phase retrieval method supports also the retrieval of the phase of farfield antenna measurements.
AB - Conventional phaseless near-field measurement data is not adequate for reliable transformation into the far field. We tackle this challenge by a formulation working with multifrequency phaseless measurements under the assumption of coherently measured spectra. Such data is, for instance, obtained with a transmitting antenna under test and standard receivers featuring a nonzero coherent bandwidth. The focus of this work is on an advanced algorithm to demonstrate that this ansatz is very promising for further research and real-world investigations. Empirical studies based on simulation data demonstrate that appropriately merging this multi-frequency data significantly increases the chance of successful phaseless near-field far-field transformation. As a by-product, this multi-frequency phase retrieval method supports also the retrieval of the phase of farfield antenna measurements.
KW - broadband receiver
KW - far-field measurements
KW - magnitude-only antenna measurements
KW - phase retrieval
KW - phaseless near-field far-field transformation
UR - https://www.scopus.com/pages/publications/85088654569
U2 - 10.23919/EuCAP48036.2020.9135084
DO - 10.23919/EuCAP48036.2020.9135084
M3 - Conference contribution
AN - SCOPUS:85088654569
T3 - 14th European Conference on Antennas and Propagation, EuCAP 2020
BT - 14th European Conference on Antennas and Propagation, EuCAP 2020
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 14th European Conference on Antennas and Propagation, EuCAP 2020
Y2 - 15 March 2020 through 20 March 2020
ER -