Determination of bearings of sound source with sound pressure gradient based on higher order spectra

被引：0
|
作者：
Liu, X. [1 ]
Xiang, J. [1 ]
Zhang, X. [1 ]
Shen, Y. [1 ]
机构：
[1] Northwestern Polytechnical Univ., Xi'an, 710072, China
来源：
Binggong Xuebao/Acta Armamentarii | 2001年 / 22卷 / 02期
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摘要：
Determination of the bearings of sound source with the sound pressure gradient is a new method put forward by the authors. The method has system errors (determinate errors) and random errors. A method based on higher order spectra is proposed to reduce the random error when the interfering noise is Gaussian while the source signal is non-Gaussian. As a result of the non-sensitivity of higher order spectra to the Gaussian noise, the detrimental effects of interfering noise can be suppressed. Simulation results show the effectiveness of the new method.
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页码：222 / 225
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