Errors in Measurement of Microwave Interferograms Using Antenna Matrix
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New antenna matrices for both scalar and vector measurement of microwave interferograms for the frequency 2.45 GHz were developed and used for an analysis of sources of measurement errors. Influence of mutual coupling between individual antennas in an antenna matrix on a measurement of microwave interferograms, particularly on a measurement of interferogram minimum values, was studied. Simulations and measurements of interferograms, proposal of a new calibration procedure and correction method are presented. Influence of differences in radiation patterns of individual antennas of an antenna matrix on a measurement of microwave interferograms was studied as well.
Document typePeer reviewed
Document versionFinal PDF
SourceRadioengineering. 2008, vol. 17, č. 3, s. 25-32. ISSN 1210-2512
- 2008/3