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This article presents the methodology for de-embedding the effect of a printed array of probes in a planar very-near-field measurement system. The effect of the individual probes and their feed lines is de-embedded using a proprietary calibration process. Then, the effect of the large printed array on the field distribution around the antenna under test (AUT) is estimated using a combination of simulation...
This paper describes the development and deployment of “tile” array technology, which is the foundation of lighter and cheaper AESA antennas. Close agreement is demonstrated between the modelled and measured performance of an X-band array, which provided azimuth and elevation beam-steering over a 20% bandwidth. Furthermore the authors show how the thinness of the tile can be exploited in a multi-facet...
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