Interpolating apparatus

Details Interpolating apparatus Interpolating apparatus

G - Physics

06

F

354/30

G06F 17/15 (2006.01)

Patent

CA 1129099

- 1 - ABSTRACT OF THE DISCLOSURE Improvements in and relating to Data Processing Interpolating apparatus is provided for more accurately determining the peak position of a function, particularly a cross-correlation function derived from two related flow signals fed to an overloading counter correlation flowmeter, whereby the peak position is indicated by a set of signals corresponding to quantised values of a perimeter and the apparatus interpolates the peak position from selected signals of the set. The preferred method of operation comprises computing for each of the signals an average of the quantised values of the parameter corresponding to that signal, and summing a predetermined number of these average values to obtain an indication of an interpolated value of the peak position. Various output circuits are provided for flowmeter appli- cations to produce an output which is proportional to flow rate.

309726

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