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Abstract:
导波在杆中多模态及频散特性对研究工作带来一定困难,然而利用时频分析可以有效地分析杆中多个模态.本文采用短时傅里叶变换对杆中导波进行了时频分析,时频分析结果与自由杆群速度频散曲线相吻合.表明,时频分析可作为导波在杆中传播特性分析的有力工具.
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仪器仪表学报
ISSN: 0254-3087
Year: 2006
Issue: z2
Volume: 27
Page: 1316-1317,1325
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 20
Chinese Cited Count:
30 Days PV: 4
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