Proceedings of the IEEK Conference (대한전자공학회:학술대회논문집)
- 1998.10a
- /
- Pages.1267-1270
- /
- 1998
Characteristics Analysis of Wide-Band One-Shot Beam as Variation of Weighting Width
가중치 폭 변화에 따른 광대역 단일빔 특성 분석
Abstract
This paper analyzes the characteristics of wide-band one-shot beam formed by using all sensors of array at once, as variation of weighting width. Gaussian function is applied to each sensor as a role of weighting. As the results of the simulation for nested linear array having 17 sensors for each octave, as the width goes wider the directivity index(DI) becomes lower but more even and the variation of beamwidth becomes smaller. It is confirmed, therefore, that weighting width is carefully decided in consideration of DI level, DI stability and the beamwidth.
Keywords