HU Bo *,YANG DeSen,SHI ShengGuo & SUN Yu Science and Technology on Underwater Acoustic Laboratory,Harbin Engineering University,Harbin 150001,China
Abstract:
Near-field acoustical holography (NAH) is a powerful tool for identifying noise sources and visualizing acoustic field. By recording the acoustic pressures in the near-field, the acoustic quantities in the whole 3-D field can be reconstructed and predicted. However, the current theory of NAH is not applicable to tracking large scale moving noise sources. Therefore, the hybrid near-field acoustical holography is developed for reconstructing acoustic radiation, which is derived from statistically optimized ne...