Cascaded integrated comb filter with fractional integration
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United States of America Patent
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Jul 6, 2010
Grant Date -
Mar 26, 2009
app pub date -
Sep 26, 2008
filing date -
Sep 26, 2007
priority date (Note) -
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Abstract
A cascaded integrator comb filter includes a first integrator that receives an input signal x[n] and provides an integrated signal, and a fractional integrator that also receives the input signal x[n] and provides a fractional integrated signal. A summer sums the integrated signal and the fractional integrated signal and provides a summed signal indicative thereof to a second integrator, which receives and integrates the summed signal to provide a second integrator output signal. A decimator unit receives the second integrator output signal and provides a decimated signal to a differentiator that receives the decimated signal and provides a differentiated signal.
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