An optimum damping structure for noise reduction applied in the scoured region of high-speed flow is studied by experimental method.
本文通过试验方法研究了高水流冲刷区优化的阻尼降噪结构。
Eventually, the approximate analytic solution of the optimum damping parameter is obtained to provide a simple and effective reference and design method for the engineers.
最后给出了计算最优阻尼参数的近似解析式，为工程师提供了简便有效的参考依据及设计方法。
The optimum parameters include the optimum frequency spacing, average damping ratio, and tuning frequency ratio.
最优参数包括最优频率间隔、最优平均阻尼比和最优调谐频率比。
Through the optimum searching, one may obtain the optimum frequency spacing, average damping ratio, tuning frequency ratio, and corresponding index representing the control effectiveness of MTMD.
通过最优搜寻可得MTMD的最优频率间隔、平均阻尼比、调谐频率比和相应的无量纲控制有效性指标。
Dynamic experiment shows that the use of microcomputer for optimum excitation control can largely improve the damping and stability of sync generator.
动态试验表明微机最优励磁控制可大幅度提高系统的阻尼与稳定性。
Through the optimum searching, the optimum frequency spacing, average damping ratio, tuning frequency rat IO and corresponding index measuring the control effectiveness of MTMD could be obtained.
通过最优搜寻可得MTMD的最优频率间隔、平均阻尼比、调谐频率比和相应的无量纲控制有效性指标。
The bouncing overall power is nearly maximized at the optimum frequency ratio of the minimum pitching overall power. The higher rear-frequency and the higher rear-damping ratio reduce pitching motion.
跳动总功率在最小俯仰总功率的最佳频率比时，几乎达到最大值，较高的后频和较高的阻尼比减少了俯仰运动。
Theoretical analyses are made to such important characteristics as that the resonance frequency is a monotonous increasing function of oil film damping and that there is an optimum value of oi...
对于共振频率是油膜阻尼的单调增函数，以及油膜阻尼关于轴端振幅存在最优值等特性进行了理论分析，并得出若干重要结论。
Theoretical analyses are made to such important characteristics as that the resonance frequency is a monotonous increasing function of oil film damping and that there is an optimum value...
对于共振频率是油膜阻尼的单调增函数，以及油膜阻尼关于轴端振幅存在最优值等特性进行了理论分析，并得出若干重要结论。
Theoretical analyses are made to such important characteristics as that the resonance frequency is a monotonous increasing function of oil film damping and that there is an optimum value...
对于共振频率是油膜阻尼的单调增函数，以及油膜阻尼关于轴端振幅存在最优值等特性进行了理论分析，并得出若干重要结论。
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