A Normalized Site Attenuation Automatic Measurement Method for OATS

Normalized site attenuation (NSA) is one of the key technical indicators to evaluate whether an open area test site (OATS) can be used as a qualified site for electromagnetic compatibility (EMC) testing. In this paper, an NSA automatic measurement method for OATS is presented. The proposed method uses multiple frequency points measurement and makes full use of the antenna ascending and descending, making the measurement much more efficient.