摘要
麦克风相阵列测量技术是气动噪声研究的重要手段。针对利用麦克风相阵列技术识别运动中的声源的难点,对时域Beamforming算法、解多普勒效应技术等核心技术开展了研究,形成了适用于运动声源的麦克风相阵列测量技术。开展了地面验证试验,验证了阵列数据处理算法。
引文
[1]Robert W.Stoker1,Yueping Guo,et.,Airframe Noise Source Locations of a 777 Aircraft in Flight and Comparisons with Past Model Scale Tests,AIAA2003-3232
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[3]Leon Brusniak,et.Acoustic Imaging of Aircraft Noise Sources Using Large Aperture Phased Arrays,AIAA2006-2715
[4]William M.Humphreys,Jr.,and Thomas F.Brooks,Noise Spectra and Directivity For a Scale-Model Landing Gear,AIAA 2007-3458
[5]Henri A.Siller,“Localisation of Sound Sources on Aircraft in Flight,”Berlin Beamforming Conference2012.Be Be C-2012-01
[6]M.Snellen,J.Domhof,A.Koelwijn,E.Smeur,“Phased array B737 fly over measurements for assessing,”Berlin Beamforming Conference 2012
[7]Vincent Fleury,Patrice Malbequi,“Slat noise assessment from A340 flyover measurements,”Berlin Beamforming Conference 2012.Be Be C-2012-02
[8]R.Stoker and Y.Guo.“Airframe Noise Source Locations of a 777 Aircraft in Flight and Comparison with Past Model-Scale Tests.”AIAA-2003-3232,2004.
[9]R.P.Dougherty,“Advanced Time-domain Beamforming Techniques”,AIAA 2004-2955
[10]G.Zechel,A.Zeibig,M.Beitelschmidt,“Time-domain Beamforming on Moving Objects with Known Trajectories,”Berlin Beamforming Conference 2010.Be Be C-2010-12