cross-correlator

cross-correlator

[¦krȯs′kär·ə‚lād·ər]
(electronics)
A correlator in which a locally generated reference signal is multiplied by the incoming signal and the result is smoothed in a low-pass filter to give an approximate computation of the cross-correlation function. Also known as synchronous detector.
References in periodicals archive ?
A radiation tolerant ASIC-based cross-correlator needs to be developed.
The APPH6000RM-IS features a cross-correlator engine and internal low noise reference sources to enable fast and accurate “one-click” measurements.
A white light cross-correlator produces accurate measurement of the change in the cavity length, over a wide range of temperatures and for long periods.
The company product portfolio includes ultrafast laser oscillators and amplifiers based on Ti:Sapphire, Cr:Forsterite, Er- and Yb-doped fiber, supercontinuum sources, tabletop multi-terawatt systems; and a variety of measurement tools such as autocorrelators, SPIDER, cross-correlator and ultrafast dynamic measurement systems.