9HUMPHREYS D A, DICKERSON R T. Traceable measurement of error vector magnitude ( EVM ) in WCDMA signals [C]. International Waveform Diversity & Design Conference,Pisa,Italy,2007 : 270-274.
10HUDLICKA M. Laboratory system for a traceable measurement of error vector magnitude[C]. Proceedings of the 39th European Microwave Conference,2009: 934-937.