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Radar Cross Section Measurement within Reverberation Chamber: Stirrer position issues

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Fig. 1.  Radar Cross Section measurement setup in Reverberation Chamber  RC. In this communication, we intend to show the impact of  the  stirrer  when  the  two  measurements  (with  and  without  target) are not performed for the same stirrer position
Fig. 2.  Waveform  versus  frequency  of  the  real  part  of  the  difference  between  the  measured  reflection  coefficients  of  the  loaded  and  empty  cavities (for the same stirrer positon), at 0° target position
Fig. 5.  Mean  relative  error  between  RCS  patterns  obtained  with  a  stirrer  position  shift  (

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