Generation of sum and difference patterns using fractal subarrays

D. H. Werner, K. C. Anushko, P. L. Werner

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


In this letter, we explore the potential for the application of fractal subarrays to the generation of sum and difference patterns. For the purposes of this investigation, a standard planar array is decomposed into two subarrays: one in the form of a Sierpinski carpet, and the other consisting of its complement. A methodology is then introduced for feeding the two subarrays in order to produce either a sum or a difference pattern. A particular example is considered in which directive gain plots are obtained for both the sum and difference modes of a 27×27 planar array.

Original languageEnglish (US)
Pages (from-to)54-57
Number of pages4
JournalMicrowave and Optical Technology Letters
Issue number1
StatePublished - Jul 5 1999

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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