Precision digital phase meter
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United States of America Patent
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Oct 24, 2006
Grant Date -
N/A
app pub date -
Nov 23, 2005
filing date -
Nov 23, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of measuring phase includes receiving an analog signal; converting the analog signal into a digital signal; representing the digital signal as N sets of samples; aligning the N sets of samples to a common time frame; removing zero bias drift from the digital signal; and calculating a phase of the analog signal based on the digital signal with the zero bias drift removed. The phase can have a time resolution substantially equal to a time between adjacent samples.
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