Application of Aperture Extrapolation Beamformer in Multibeam Bathymetric Sonar
Limited by the cost, the size of multibeam bathymetric sonar becomes smaller. It is a significant issue to increase the beamforming capability of small aperture array. As the most commonly used method at present, virtual aperture technique together with LPAE beamforming method is discussed in detail in the paper. Compared with conventional beamforming method through theoretical analysis and computer simulation, LPAE beamforming has better performance for higher SNR, narrower receiving beams, and better resolution ability on nearly spaced goals. This method is proved to be effective, practical and superior by the processed results recorded with multibeam sonar sea trial data.
multibeam bathymetric sonar LPAE beamformer signal to noise ratio resolution ability
Tian Zhou Shan Li Haisen Li Lu Yin
Science and Technology on Underwater Acoustic Laboratory,Harbin Engineering University, Harbin, Chin College of Electronic Engineering, Naval University of Engineering, Wu Han, China
国际会议
2010 IEEE 10th International Conference on Signal Processing(第十届信号处理国际会议 ICSP 2010)
北京
英文
2349-2352
2010-08-24（万方平台首次上网日期，不代表论文的发表时间）