E-field probe calibration in reverberation chamber

摘要

Dynamic range is an important parameter of E-field probe. Some probes could measure E-field amplitude more than 1000V/m. How to calibrate a probe at high amplitude calibration level? Reverberation chamber may be used for this application. Reverberation chamber is a shielded enclosure that is generally equipped with mechanical paddles. Reverberation chamber could generate higher E-field amplitude than anechoic chamber with same input power and it will decrease calibration cost. But the field in reverberation chamber is complex. Some issues of probe calibration in reverberation chamber were discussed in the paper. From some measurements, linear characteristic of reverberation chamber is verified, and one E-field probe was calibrated in reverberation chamber.