Fig 1.
Multi-antenna scattering scenario.
Fig 2.
A scattering parameter solving model.
Fig 3.
A wireless power transmission system.
Fig 4.
The geometry of the array antenna element.
Fig 5.
Array antenna element S parameter.
Fig 6.
Antenna array geometry layout.
Fig 7.
Radiation patterns under uniform amplitude and in-phase excitation.
Fig 8.
Array system link block diagram.
Fig 9.
The S parameter of phased array antenna system.
Fig 10.
Attenuator composition diagram.
Fig 11.
Photograph of the phased array antenna system (Front Side).
Fig 12.
Photograph of the phased array antenna system (Back Side).
Fig 13.
Phased array antenna system calibration setup.
Fig 14.
Reference Distribution Map of Channel Consistency.
Fig 15.
Attenuator phase response performance curve.
Fig 16.
Attenuator phase response performance curve.
Fig 17.
Comparison of repeatability results of the amplitude response of attenuators.
Fig 18.
Comparison of repeatability results of the phase response of attenuators.
Fig 19.
Comparison of repeatability results of the phase response of antenna radiation pattern.
Fig 20.
Measured radiation patterns of the calibrated array antenna.
Fig 21.
Simulation model layout illustration.
Fig 22.
Comparison of the pattern constructed by algorithm and simulation model.
Fig 23.
Simulation scanning beam radiation pattern of array antenna (XOZ-plane).
Fig 24.
Simulation scanning beam radiation pattern of array antenna (YOZ-plane).
Fig 25.
Measured scanning beam radiation pattern of array antenna (XOZ-plane).
Fig 26.
Measured scanning beam radiation pattern of array antenna (YOZ-plane).
Table 1.
Distributions of excitations.
Fig 27.
Comparison of the pattern before and after gain equalization optimization.
Fig 28.
Comparison of the simulation and measured radiation pattern in case 2.
Table 2.
Weighted value distribution.
Fig 29.
The relationship between PSO initialization conditions and convergence.
Table 3.
Parameter definitions in Fig 29.
Fig 30.
The relationship between the number of particles and the convergence rate.
Fig 31.
Algorithm running time curve.
Table 4.
Parameter using in case 1.
Table 5.
Algorithm performance comparison.
Fig 32.
Photograph of the six-element array antenna.
Table 6.
Excitation distribution of the six-element array antenna.
Fig 33.
The S parameter of the six-element array antenna.
Fig 34.
Test scenario for far field measurement.
Fig 35.
The radiation pattern of the six-element array antenna.