电铸Ni_SiC金属基复合材料的抗拉强度与微观结构(5)

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上　海　交　通　大　学　学　报

第40卷　

　　由图5可以很容易识别两个噪声源的位置间距1m.三维图中的两个声源的峰值和A计权声压测

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量结果也相符.结果也表明“,十”字阵列是一种很好

的布置方式,结合波叠加算法取得了很好的识别效果.

4　结　语

将波叠加方法引入了噪声源识别领域,结合基于传声器阵列的测量技术和可视化的结果表示方法,提出了一种新的噪声源识别方法,并通过仿真和实验验证了该方法的正确性.仿真和实验研究都取得了良好的分辨效果,物体进行噪声源识别..的研究、、重建算法、可视化表示技术),系统.参考文献:

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