Dong Weimin, Ji Yonghui. Analysis Errors and Updating Methods of PhaseDifference in Sound Intensity Measurement System[J]. Journal of Southwest Forestry University, 1999, 19(2): 131-134. DOI: 10.11929/j.issn.2095-1914.1999.02.013
Citation: Dong Weimin, Ji Yonghui. Analysis Errors and Updating Methods of PhaseDifference in Sound Intensity Measurement System[J]. Journal of Southwest Forestry University, 1999, 19(2): 131-134. DOI: 10.11929/j.issn.2095-1914.1999.02.013
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Analysis Errors and Updating Methods of PhaseDifference in Sound Intensity Measurement System

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  • Phase difference is the main reason which can lead to measuring errors in Sound Intensity Measurement.In this thesis,the main reason which lead to phase difference can be found by calculation and analysis,and update methods with errors of phase difference of system can be posed in the measurement way of FFT.
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