Frequency-Sampling Design of Two-Dimensional FIR Digital Filters with Nonuniform Samples.

Abstract

Various approaches to the frequency-sampling design of two-dimensional FIR filters are analyzed. The IDFT approach requiring uniform sampling on a Cartesian grid is first described. A method which allows arbitrary placement of frequency samples but which does not satisfy the Haar condition is presented. Finally, a novel, computationally efficient method which allows nonuniform sampling and which always provides a unique design solution is presented. The new approach is compared with the other methods in terms of design flexibility, computational efficiency, and performance. Keywords include: Filters; Digital; Two-Dimensional; Finite impulse response(FIR); and Frequency-sampling.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1987
Accession Number
ADA187773

Entities

People

  • William J. Rozwod

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Algorithms
  • Bandpass Filters
  • Chebyshev Polynomials
  • Computer Programs
  • Computers
  • Digital Filters
  • Digital Signal Processing
  • Efficiency
  • Electrical Engineering
  • Engineering
  • Frequency Response
  • Polynomials
  • Quadrants
  • Signal Processing
  • Test And Evaluation
  • Two Dimensional
  • United States

Fields of Study

  • Engineering

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