標題: | Development and analysis of a two-stage beamformer for multiple correlated interferers using rectangular array |
作者: | Lin, TT Lee, TS 電信工程研究所 Institute of Communications Engineering |
公開日期: | 1-一月-1999 |
摘要: | A two-stage two-dimensional (2-D) beamformer is proposed for signal enhancement in an environment of multiple correlated interferers using a rectangular array. In the first stage, subarray beamformers are constructed which exhibit reliable interference cancellation using difference preprocessed and spatially smoothed data. A secondary combining of all possible subarray beamformers is then performed to fully exploit the array aperture. It is shown that, compared to the conventional one-stage optimum beamformer, the two-stage beamformer performs equally well and requires a much lower complexity of implementation when a suitable subarray size is chosen. (C) 1999 Acoustical Society of America. [S0001-4966(99)04701-3]. |
URI: | http://dx.doi.org/10.1121/1.424601 http://hdl.handle.net/11536/31644 |
ISSN: | 0001-4966 |
DOI: | 10.1121/1.424601 |
期刊: | JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA |
Volume: | 105 |
Issue: | 1 |
起始頁: | 241 |
結束頁: | 251 |
顯示於類別: | 期刊論文 |