An improved method for classification and metrological characterization of disturbances on QAM signals
作者： L. DeVito , S. Rapuano , G. Truglia
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摘要: This paper describes a method for classification and estimation of the most common disturbances on quadrature amplitude modulation (QAM) signals. The is based evaluation statistical moments two-dimensional distribution received symbols constellation diagram. In paper, operating principle shown, its implementation commercially available instrument presented. has been validated with several simulated actual European cable television (TV) signals compliant to ETSI ETS 300429 standard. results these experimental investigations are also
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