Real time subsample time resolution signal alignment in time domain

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United States of America Patent

PATENT NO 9871649
SERIAL NO

15194800

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Abstract

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System and method for subsample time resolution signal alignment. First and second signals may be aligned by iteratively performing the following until a termination condition is met: current samples of the first and second signals may be acquired, a delayed copy of the current samples of the first signal may be generated and subtracted from the current samples of the first signal to generate a third signal, a delayed copy of the current samples of the second signal may be generated with a current subsample delay and subtracted from the current samples of the first signal to generate a fourth signal, and an alignment error may be generated based on the third and fourth signals and the current subsample may be delay adjusted accordingly. The iteratively adjusting may generate a subsample resolution delay aligning the second signal to the first signal. Subsequent samples the first signal and the second signal may be aligned and output per the subsample resolution delay.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL INSTRUMENTS CORPORATION11500 N MOPAC EXPRESSWAY AUSTIN TX 78759

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chopra, Aditya Austin, US 73 163
Ferguson, Sean P Austin, US 1 4

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