Level measurement using autocorrelation

Details Level measurement using autocorrelation Level measurement using autocorrelation

1992-05-08

1993-08-03

Sotomayor, John B.

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

Determining distance

Material level within container

G01S 1334

Patent

active

052333523

ABSTRACT:
First and second identical pseudo-random binary sequences are generated. The second sequence is delayed in a variable delay arrangement, and a reflected first sequence is compared with a delayed second sequence. The second sequence is delayed until the reflected sequence and the delayed sequence are coincident. The delay of the adjustable delay is equal to the travel time of the first sequence.

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