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专利名称：Detecting and measuring interference
contained within a digital carrier
发明人：Jeffrey C. Chu,Michael L. Downey申请号：US10375221申请日：20030226
公开号：US20030165205A1公开日：20030904
专利附图：
摘要：A method and system for measuring noise and or interference in a
communications signal without taking the signal out of service. In the present inventionthe communications signal is converted from an RF signal into an IF signal. The IF signal is
then digitized and stored. The stored signal is processed to determine the interferencesignal. The interference signal is calculated from an error vector produced by a blindequalizer demodulator. The interference signal is extracted and presented to a user.
申请人：CHU JEFFREY C.,DOWNEY MICHAEL L.
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