Method for high pass filtering for echo processing in time...

Details Method for high pass filtering for echo processing in time... Method for high pass filtering for echo processing in time...

G - Physics

01

S

G01S 15/08 (2006.01) G01F 23/296 (2006.01) G01S 7/521 (2006.01) G01S 7/527 (2006.01) G01S 7/53 (2006.01) G01S 15/10 (2006.01)

Patent

CA 2405658

A method and system for high-pass filtering to remove DC and/or low frequency components of a receive signal from the transducer of a level measurement system. In one embodiment, the method includes generating a maximum signal profile and a minimum signal profile for the receive signal, generating a midpoint reference signal from the maximum and minimum signal profiles and subtracting the midpoint reference signal from the receive signal to produce a filtered signal.

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