1) Fundamental frequencies
低阶固有频率
2) fundamental natural frequency
最低阶固有频率
1.
The fundamental natural frequency of low-order system is obtained from decomposition of mass matrix and stiffness matrix.
本文采用子空间迭代法将工程结构高阶动力系统减缩为低阶动力系统，然后用Ｃｏｌｌａｔｚ包含定理的推广求出该结构系统的最低阶固有频率。
3) first natural frequency
一阶固有频率
1.
The first natural frequency is very important when it is in use.
其一阶共振频率对实际运用是非常重要的参数之一,通过有限元分析软件Ansys的运用,得出该二维力矩器的伯德图,在图上查出聚焦及循迹方向一阶固有频率对应的值,与行业标准(草案)进行比对,验证该二维力矩器的参数设定是符合标准的。
5) lowest natural resonant frequency
最低固有谐振频率
6) nature frequency
固有频率
1.
The mode and nature frequency of pinned-pinned pipes conveying fluid with elastic foundations;
弹性地基两端铰支输流管的模态和固有频率
2.
Experimental research on nature frequency of prestressed concrete beams;
预应力梁固有频率的试验研究
3.
The nature frequency,vibration pattern,and dynamic performance torsion moment of a rolling mill's main drive system are computed with the master and dependent DOF model built by using the master and dependent DOF method to link a speed-down machine's high speed part to low speed part as well as a gear's driver wheel to driven wheel.
使用主从自由度法实现轧机主传动系统中减速机高速端和低速端、齿轮机座主动轮和从动轮之间的连接,建立主从自由度模型计算某轧机主传动系统的固有频率、振型及其在咬钢冲击载荷作用下的响应扭矩,并与分支式模型所得结果进行比较。
补充资料：固有频率
又称“本征频率”。振动系统作固有振动时的频率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条