Correlator
Encyclopedia
Correlator may refer to:
- Correlation function (quantum field theory)Correlation function (quantum field theory)In quantum field theory, the matrix element computed by inserting a product of operators between two states, usually the vacuum states, is called a correlation function....
- An optical correlatorOptical correlatorAn optical correlator is a device for comparing two signals by utilising the Fourier transforming properties of a lens. It is commonly used in optics for target tracking and identification.-Introduction:...
- A leak noise correlatorLeak noise correlatorA leak noise correlator is an electronic device used for Leak Detection and as a leak locator to find leaks in pressurized water or gas lines.Typically, microphones or acoustic sound sensors are placed in contact with the pipe, at two or more points, to record the sound emitted by a leak somewhere...
- A correlation functionCorrelation functionA correlation function is the correlation between random variables at two different points in space or time, usually as a function of the spatial or temporal distance between the points...
(probability)