Wide-bandwidth phased arrays using random subarraying

Amit P. Goffer, Moshe Kam, Peter R. Herczfeld

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations


Beam steering with phased arrays requires the use of true-time-delay devices when communicating a wideband signal. In many applications, this requirement cannot be met, due to size and cost limitations, and the array is divided into subarrays: each element is implemented with a phase shifter (frequency independent phase-shifting device) and each subarray is fed through a single true time delay. The common implementation is with identical contiguous subarrays, which, due to periodicity, cause high sidelobes and grating lobes. We suggest to design divided arrays by trying random sizes of subarrays, with random locations of their centers, in order to avoid periodicity. We develop closed-form expressions for the average array factor, the average power pattern and its variance.

Original languageEnglish (US)
Title of host publicationConference Proceedings - European Microwave Conference
PublisherPubl by Microwave Exhibitions & Publ Ltd
Number of pages6
ISBN (Print)0946821127, 9780946821129
StatePublished - 1990
Externally publishedYes
EventProceedings of the 20th European Microwave Conference - Budapest, Hung
Duration: Sep 10 1990Sep 13 1990

Publication series

NameConference Proceedings - European Microwave Conference


OtherProceedings of the 20th European Microwave Conference
CityBudapest, Hung

All Science Journal Classification (ASJC) codes

  • General Engineering


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