Definition of "correlator" []

• That which correlates or causes correlation (noun)
• A correlation function (noun)
• A type of device used to compare two signals (noun)

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• "Of course, there's no way to tell which sites’ readers are well-groomed or if they’re hip, but media planners can add in terms like "clubs," "nightlife", “sample sale” and "fashion" into Ad Planner’s search term correlator to find sites whose users are more likely to search for those terms, as measured across large quantities of data."
• "This correlator, however, is written in a high level programming language, like C++, and runs on a relatively off-the-shelf multi-core computer for a much, much lower cost than "traditional" correlators."
• "At the end of the session, Adam Deller, now of the NRAO and also affiliated with PAPER (soon anyway!) talked about his software correlator for the VLBA and other VLBI instruments."