Abstract

In this article, based on the working principle of vector signal analyzer and theories of error vector magnitude (EVM), Combined signal demodulation experiment of vector signal analyzer, converting some types of digital modulation signal EVM into root mean square of error vector magnitude(EVMRMS). According to the relationship between EVMRMS and bit error rate(BER), analyzing the relationship between vector signal analyzer EVM and BER, and the simulation results are carried out.

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