It is suggested that low frequency fluctuation occurs with cavitation inception in water hydraulic pump.
提出了在纯水液压泵中气蚀初生伴随着低频压力脉动现象。
For uniform time sampling, the level of frequency fluctuation will greatly influence the results of spectrum analysis.
采用等时隙采样方法，频率随机波动的大小则会严重影响谱分析的结果。
The low-frequency fluctuation periods and the initial amplitudes have close relationship in the resonance interaction.
三波共振相互作用低频振荡周期与初始扰动振幅有很强的相关关系；
The accuracy of the dielectric loss measurement based on harmonic analysis algorithm is greatly influenced by the frequency fluctuation.
用谐波分析法进行介损测量时，很容易受到系统频率波动的影响，从而降低测量的准确度。
The accuracy of the dielectric loss measurement based on harmonic analysis algorithm is greatly influenced by the frequency fluctuation.
用谐波分析法进行介损测量时，很容易受到系统频率波动的影响，从而降低测量的准确度。
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