Methods and devices for determining the linearity of signals
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United States of America Patent
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Feb 19, 2008
Grant Date -
May 25, 2006
app pub date -
Nov 19, 2004
filing date -
Nov 19, 2004
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Abstract
A method (for example, machine-implemented, e.g., via a receiver), for determining whether a transmitted pulsed-signal is a linear or non-linear frequency modulated (FM) signal, includes: iteratively determining upper and lower bound slopes associated with frequency components of a pulse of a signal during a time period of the pulse; and comparing each determined upper bound slope to a previous or initial upper bound reference slope and comparing each determined lower bound slope to a previous or initial lower bound reference slope in order to determine the linearity, or non-linearity, of the signal.
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