Performance degradation in fast frequency-scanned circular arrays

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Date
1983
Authors
Arora, R
Patel, M
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Abstract
The performance deterioration that sets is when a circular array is scanned fast using the method of frequency scanning is considered. The high-speed effects are a loss in the main-beam amplitude and a change in sidelobe level. However, in contrast with the case of a linear array, the circular array is relatively free from variations in the beamwidth or generation of spurious frequencies. Specific examples in radar and sonar are discussed.
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Keywords
circular array, main-beam, sidelobe level, radar and sonar
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