| Theoretical and Experimental Research on the Sound Field in A Finite Duct |
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| 作者姓名： | 王峰林 安丽俐 傅勤毅 彭玉才 |
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| 作者单位： | Dept. of Mechanical Engineering，Harbin Institute of Technology，Harbin，150001，China |
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| 摘 要： | Based upon the theoretical analysis of the sound field in a finite duct and the spatialsampling principle,this paper applies the adaptive filtering technique to the measurement of thesound field in the duct with the distribution patterns of standing waves in the direction of thewaveguide and high—order wavefront on the cross section of the duct measured and the acousticmode theory proved by experimental results.
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Theoretical and Experimental Research on the Sound Field in A Finite Duct |
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| WANG Fenglin,AN Lili,FU Qinyi,PENG Yucai.Theoretical and Experimental Research on the Sound Field in A Finite Duct[J].Journal of Harbin Institute of Technology,1997(3). |
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| Authors: | WANG Fenglin AN Lili FU Qinyi PENG Yucai |
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| Abstract: | Based upon the theoretical analysis of the sound field in a finite duct and the spatial sampling principle, this paper applies the adaptive filtering technique to the measurement of the sound field in the duct with the distribution patterns of standing waves in the direction of the waveguide and high -order wavefront on the cross section of the duct measured and the acoustic mode theory proved by experimental results. |
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| Keywords: | A finite duct acoustic mode adaptive filtering measurement of sound field spatial sampling |
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