Radar level gauge system and method providing a signal...

Details Radar level gauge system and method providing a signal... Radar level gauge system and method providing a signal...

2007-12-06

2009-06-23

Sotomayor, John B (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Determining distance

Material level within container

C342S090000, C342S091000

Reexamination Certificate

active

07551122

ABSTRACT:
A method for determination of a filling level of a product contained in a tank, comprising the steps of generating and transmitting an electromagnetic signal; propagating the transmitted electromagnetic signal towards the product in the tank; receiving echo signals resulting from reflections at impedance transitions encountered by the transmitted electromagnetic signal; classifying one of the echo signals as a surface echo signal resulting from reflection at a surface of the product inside the tank; evaluating an additional echo signal; providing, if an amplitude of the additional echo signal is greater than a predetermined disturbance echo threshold, a signal indicative thereof; and determining the filling level based on the surface echo signal.

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