Method and apparatus for the correction of signal-pairs
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United States of America Patent
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Jun 30, 1998
Grant Date -
N/A
app pub date -
Feb 27, 1997
filing date -
Aug 29, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Method and apparatus for correcting signal-pairs from vectors that represent inphase signals (I) and quadrature signals (Q). The values for correction of the amplitude error .alpha. and phase error .delta. are determined by calculating the most probable correction values of offsets from a center point of the signal-pairs using signal probes from the stream of the inphase and quadrature signals. The amplitude error .alpha. and phase error .delta. are calculated corrected as a function of the signal probes only after a preceding correction of the center point.
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