References 1SIJTSMA P OERLEMANS S HOLTHUSEN H Location

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运动点声源的传播模型 References: [1]SIJTSMA P, OERLEMANS S, HOLTHUSEN H. Location of Rotating Sources by Phased

运动点声源的传播模型 References: [1]SIJTSMA P, OERLEMANS S, HOLTHUSEN H. Location of Rotating Sources by Phased Array Measurements[C/OL] Maastricht, Netherlands: American Institute of Aeronautics and Astronautics, 2001[2021– 02– 28]. . [2]SIJTSMA P. Experimental Techniques for Identification and Characterisation of Noise Sources[J]. Aerospace Vehicles, 2004: 47. [3]莫品西. 旋翼气动噪声的声成像理论与试验研究[D/OL]. 上海交通大学, 2018. 从波动方程出发: 空间任意一点的声压写成源强与Green函数乘积的形式: 代入得到: 进一步解得: 故空间任意一点声压: 引入 得到: 的求和表达式: 其中 满足: 4

运动点声源的传播模型 References: [1]SIJTSMA P, OERLEMANS S, HOLTHUSEN H. Location of Rotating Sources by Phased

运动点声源的传播模型 References: [1]SIJTSMA P, OERLEMANS S, HOLTHUSEN H. Location of Rotating Sources by Phased Array Measurements[C/OL] Maastricht, Netherlands: American Institute of Aeronautics and Astronautics, 2001[2021– 02– 28]. . [2]SIJTSMA P. Experimental Techniques for Identification and Characterisation of Noise Sources[J]. Aerospace Vehicles, 2004: 47. [3]莫品西. 旋翼气动噪声的声成像理论与试验研究[D/OL]. 上海交通大学, 2018. 得到: 其中 满足: 一般常写成: 马赫数在声源与传声器之间矢量上的投影 5