Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 31, 2007
Patent Application Number
09655755
Date Filed
September 6, 2000
Patent Primary Examiner
Patent abstract
Method and apparatus for designing digital filters are provided. One method includes the steps of determining a real-valued discrete-frequency representation of a desired digital filter and transforming this discrete-frequency representation into a corresponding discrete-time representation. The discrete-time representation is circularly shifted and a window is applied to the discrete time representation to produce a zero-padded reduced length filter. Thereafter input signal x[n] is convolved with the reduced length filter.
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