Goodness-of-fit tests in reverberation chambers: is sample independence necessary?

Goodness-of-fit (GoF) tests are interesting tools to test the overmodedness of the field inside a reverberation chamber (RC). In the definition of GoF tests independent and identically distributed samples are required. In this study, we focus on the effect of partial data correlation on GoF tests. We analyze the sensitivity of the most common GoF tests used in electromagnetic compatibility. The results presented herein are based on numerical and experimental data. We show that most of GoF tests are insensitive to correlations up to rather high values depending on the type of GoF test chosen. Implications for practical applications are discussed.