Device for determining and/or monitoring the volume flow...

Details Device for determining and/or monitoring the volume flow... Device for determining and/or monitoring the volume flow...

2004-12-15

2008-09-16

Nghiem, Michael P. (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

Reexamination Certificate

active

07426443

ABSTRACT:
A ultrasonic flow measuring device, which is distinguished by a low energy consumption. A control/evaluation unit ascertains a plurality of sampled values (aiwith i=1, 2, 3, . . . ) of a received measuring signal at defined points in time (t) of a predetermined time range and interpolates the sampled values by a continuous function (f(t)), wherein the continuous function (f(t)) is formed by a sum of a predetermined number (n ∈ N) of wavelets (W) and wherein each wavelet (W) corresponds to the product of a sampled value with a sine function(sin⁡(x)x)and with a Gaussian bell curve (e−αx2, α ∈ R).

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