Nonlinear filtering using polyphase filter banks
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United States of America Patent
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Apr 5, 2016
Grant Date -
Dec 10, 2015
app pub date -
Jun 10, 2014
filing date -
Jun 10, 2014
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Abstract
A method and apparatus for analyzing an input signal. A nonlinear filter system comprises a plurality of polyphase filter banks corresponding to a plurality of orders of nonlinearity. Each of the plurality of polyphase filter banks is configured to process an input signal with respect to a plurality of selected frequency subbands to generate an output signal that corresponds to a corresponding order of the each of the plurality of polyphase filter banks.
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