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Simulated Quiet Zone (QZ) performance of a designed Compact Antenna Test Range (CATR) is validated by QZ field probing. Numerical simulations of CATRs, however, lack of modeling the probe. The receiving antenna which is used in order to evaluate the field in the QZ has an influence on the calculated / measured co- and particularly, on the cross-polar components. The degree of the probe effect depends...
An axisymmetric phased array fed confocal parabolic Gregorian reflector system is explored. The antenna utilizes a planar phased array located near the vertex of the primary reflector. Numerical electromagnetic simulations based on the multilevel fast multipole method (MLFMM) were used to analyze and optimize the antenna parameters for limited scanning. Simulations of the scanning performance of a...
The Compensated Compact Ranges (CCRs) of Airbus Defence & Space form a dual-reflector arrangement to create a cross-polar-compensated electromagnetic field in an indoor facility which shows far-field characteristics in close proximity to the reflectors. Serrations are mounted on the reflectors to mitigate diffraction of the waves. The serrations of the main reflector which face the illuminating...
Large dual, doubly curved reflector compact ranges are typically designed for antenna and payload testing of spacecraft antennas and/or transponder units. The applicable frequency bands are therefore at or above the L-Band. In the recent past several customer requests were raised related to UHF frequency operations at a dual reflector compact range. In order to analyze these effects at UHF frequencies,...
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