An analysis method is proposed to identify structure borne sound source based on vibrational energy flow theory.
基于能量流理论提出了识别结构噪声源的分析方法。
The results show that the vibrational spectra are valuable for reflecting the structure and composition characteristic of the minerals.
结果表明，振动光谱是表征稀土氟碳酸盐矿物结构和组分特征的有效手段。
The geometry, electronic structure and vibrational spectrum of B_8N_ (12) cluster were studied by using quantum chemical ab initio method, and its stability and properties were discussed.
用量子化学从头计算方法研究B_8N _(12)的几何构型、电子结构和振动光谱，讨论其稳定性和化学反应性质。
In this paper, the relationship between the structure vibration and the surface noise radiation is analyzed and deduced from the acoustic and vibrational theory.
本文从声学振动理论出发，分析并导出了结构的振动与表面辐射噪声的关系。
The effects of N substitution on the molecular structure and the vibrational modes are also discussed.
讨论了N原子取代对分子结构及振动模的影响。
The structure and vibrational frequencies of Ractopamine molecule in the THz range were simulated by density functional theory.
采用密度泛函理论对莱克多巴胺分子的结构和振动频率进行了模拟。
It was shown that the molecule structure and vibrational modes of nicotinic acid and nicotinamide can be analyzed by the combination of simulation and experimental results.
结果表明，数值模拟和实验结果相结合，可以用来分析烟酸和烟酰胺的分子结构和分子振动模式。
Under the excitation of harmonic force the vibrational power flow characteristics of plate with a surface crack are investigated from the view of structure-borne sound.
从结构噪声的观点研究了在简谐力作用下含有表面裂纹板的振动功率流特性。
In view of structure-borne sound, a diagnosis method for the detection and location of the peripheral surface crack of circular plates by means of vibrational power flow is investigated.
从结构噪声的观点，利用振动功率流方法对圆板在集中力作用下的周向表面裂纹进行了诊断研究。
In view of structure-borne sound, a diagnosis method for the detection and location of the peripheral surface crack of circular plates by means of vibrational power flow is investigated.
从结构噪声的观点，利用振动功率流方法对圆板在集中力作用下的周向表面裂纹进行了诊断研究。
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