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Noise Power Ratio the Analytic
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Noise Power Ratio the Analytical Way
Noise power ratio (NPR) testing is a valuable tool for characterizing return
path link performance capability. It provides a quick snapshot of a link’s
noise and distortion performance with one easy to understand performance
curve. Additionally, it is a relatively simple test to perform, particularly with
the development of automated NPR test equipment. The development of HFC
into a high performance two-way interactive communications medium has
meant the need to assure a high quality link. NPR testing is a valuable
characterization tool towards meeting this goal.
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