The existence of higher order mode waves in expansion mufflers is proved theoretically.
从理论上推导了扩张室消声器内可能存在的高次波。
Hereby, the change ratio of the first order mode shape is presented as the indicator for structure damage detection.
提出以第一阶振型改变率作为结构损伤识别的标识量。
The free space coupling technique is utilized to excite the ultrahigh-order mode to act as a probe, which is considered to be very sensitive to the wavelength change.
提出了一种测量微小角位移的新方法，该法基于一种金属包覆波导结构，通过棱镜耦合激发空气导波层中的超高阶导模作为灵敏探针。
The theoretical modal analysis showed that there was a dense high-order mode section and the high-order modes behaved the local characteristics in the frame structures.
理论模态分析表明框架结构存在模态密集区且高阶模态具有局部特征。
Based on analysis of the insufficient plan modes which are widely used now, a new plan mode, Predict-order mode in supply chain was proposed for Time Competition.
在分析现有供应链计划模式不足的基础上，为实现基于时间竞争的目的，提出了基于预订单思想的计划模式。
Based on the consistent mode imperfection method, the initial defect model was determined by the least order mode of eigenvalue buckling, and the maximum displacement value.
初始缺陷的模型是根据一致缺陷模态法，按最小特征值屈曲模态分布，并控制其最大值的方法确定。
For the case of hydrodynamic noise, in which the range of the frequency-thickness product of interest is relatively low, the symmetric zero-order mode dominates the noise radiation.
对于水动力噪声情况，感兴趣的频率厚度乘积相当低，这时零阶对称模式对噪声辐射起主要作用。
This article gives the elementary analysis on why does high-order mode resonance arise and how to control it, and proposes several practical methods controlling high-order mode excitation.
对高功率电控铁氧体功率分配器产生高次模谐振的原因进行了初步的唯象分析，并提出了几种有效的高次模谐振控制方法。
In this paper, the contribution of high order mode shape to the frequency response function of disproportional damping structure is expressed by using low order mode shape and system matrix.
本文用低阶模态和系统矩阵表达高阶模态对非比例阻尼结构频响函数的贡献。
In this paper, the contribution of high order mode shape to the frequency response function of disproportional damping structure is expressed by using low order mode shape and system matrix.
本文用低阶模态和系统矩阵表达高阶模态对非比例阻尼结构频响函数的贡献。
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