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Fast Algorithms for Convolution

  • Richard E. Blahut
Part of the Signal Processing and Digital Filtering book series (SIGNAL PROCESS)

Abstract

The most important structure in digital signal processing is the nonrecur-sive digital filter known as the finite impulse response (FIR) filter. The FIR filter is simply a tapped delay line. It convolves the input datastream with the filter taps. An incoming datastream of digital samples enters the filter and an outgoing datastream of digital samples leaves the filter. The datastreams entering and leaving the filter are so long as to appear infinite. Perhaps thousands or even millions of samples pass through the filter per second, and this may continue indefinitely.

Keywords

Fast Algorithm Finite Impulse Response Real Multiplication Finite Impulse Response Filter Chinese Remainder Theorem 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag New York, Inc. 1992

Authors and Affiliations

  • Richard E. Blahut
    • 1
  1. 1.IBMOwegoUSA

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