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1篇 您的检索式：作者名="Stephan Joeckel"

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		题名	作者	年代	出处	被引量
	1	Measurement system for wind turbine acoustic noise assessment based on IEC standard and Qin's model显示文摘A novel measurement system specially used in noise emission assessment and verification of wind turbine generator systems is presented that complies with specifications given in IEC 61400-11 to ensure the process consistency and accuracy. Theory elements of the calculation formula used for the sound power level of wind turbine have been discussed for the first time, and detailed calculation procedure of tonality and audibility integrating narrowband analysis and psychoacoustics is described. With a microphone and two PXI cards inserted into a PC, this system is designed in Qin′s model using VMIDS development system. Benefiting from the virtual instrument architecture, it′s the first time that all assessment process have been integrated into an organic whole, which gives full advantages of its efficiency, price, and facility. Mass experiments show that its assessment results accord with the ones given by MEASNET member.	Sun Lei Qin Shuren Bo Lin Xu Liping Stephan Joeckel	2008	仪器仪表学报2008，29，3：	3

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