摘要
本文从波动理论出发.推导了振动波场的测试理论.介绍了频率/波数谱分析方法。频率/波数谱不仅可提供领域信息.也可提供波数域信息.即波传播信息。用此法分析壳体结构的受激响应的结果表明.用这种方法研究结构振动具有其独特的优越性。
Based on the theory of wave motion the measuring theory and approach of frequency/wavenumber spectrum of vibration field are introduced. A frequency/wavcnumber spectrum includes not only the information of frequency domain,but that of wavenumber domain, i. e. wave propagation information. By means of this approach,the excitation respoce of a shell structure has been analysed.The results show its effectiveness.
出处
《华东船舶工业学院学报》
1995年第4期35-40,共6页
Journal of East China Shipbuilding Institute(Natural Science Edition)
基金
中船总基金
关键词
振动
波传播
频率
波数谱
壳体振动
vibration
wavenumber spectrum / frequency/wavenumber