fundamental ripple frequency脉动基频
Fundamental Train Frequency轴承保持器损坏频率
fundamental angular frequency基本角频率
fundamental vibrational frequency基频;振动基频
fundamental E frequency基频
fundamental U frequency基频
fundamental resonance frequency基本共振频率
fundamental-frequency content基波含量
longitudinal fundamental optical frequency纵向光学基频率
Because of spectral leakage and picked-fence effects associated with the system fundamental frequency variation, a direct application of the FFT algorithm may lead to inaccurate results for measuring harmonics and interharmonics.
因频谱泄露和栅栏效应以及系统基本频率的波动,普通的FFT算法不能准确测量谐波和间谐波成份。
参考来源 - 基于ARM Linux的电力谐波检测算法实现This paper relates with some new dynamics modification theory. I analyses fundamental frequency, modality and horizontal stiffness.
本文结合动力学修正的一些最新理论，在测试分析的基础上，主要对龙门起重机的基频、模态以及龙门起重机的水平刚度进行分析，并且结合大型有限元软件——ANSYS对之进行仿真。
Finally, Taking experimental mode analysis of the thin elastic plate for instance, the fundamental frequency of analysis method is compared with the first rank natural frequency of the experimental mode. Thus, analogy conclusions prove the experimental mode correct.
4．将弹性矩形板示例的试验模态分析结果，进行基波频率与试验模态的一阶固有频率相比较，验证试验的正确性。
参考来源 - 复杂弹性板的振动基波共形解析及试验模态分析