The nonlinear stiffness of the insulating system and the best frequency ratio are put forth.
采用非线性刚度为主的隔振系统，确定了最佳频率比。
The spatial frequency ratio which could reflect regional similarity among images was defined.
②定义了能够反映图像之间区域相似程度的空间频率比概念。
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。
The effect of antenna size on frequency is analysed, whi ch shows that the frequency ratio can be tuned from 1.67 to 2.67.
分析 了天线尺寸变化对工 作频率的影响，得出所设计的天线频率比在1.67～2.67范围内可调。
In 1960, American families ate out at restaurants much more often than Japanese and British families and the average frequency ratio was 1.
1960年，美国家庭每月在饭店就餐的平均次数要远远高于日本和英国家庭，三者的比例依次为每月次：1。
On constant frequency ratio, loading ratio has an importance influence on the initiation and propagation of fatigue crack under double frequency complex loading.
在频率比确定的条件下，载荷比是影响双频疲劳裂纹萌生及扩展的一个重要因素。
The effects of the angle of the tilted support, the frequency ratio and mass ratio of the system on the response of acceleration and displacement were discussed.
讨论了系统支承角、系统频率比以及系统质量比等对易损件加速度及位移响应的影响规律。
In 1960, American families ate out at restaurants much more often than Japanese and British families and the average frequency ratio was 1.2:0.2:0.4 times per month.
1960年，美国家庭每月在饭店就餐的平均次数要远远高于日本和英国家庭，三者的比例依次为每月次：1.2：0.2：0.4。
In 1960, American families ate out at restaurants much more often than Japanese and British families and the average frequency ratio was 1.2:0.2:0.4 times per month.
1960年，美国家庭每月在饭店就餐的均匀次数要远远高于日本和英国家庭，三者的比例依次为每月次：1.2：0.2：0.4。
Finally, a solution to restraining the harmonic current and ripple torque is suggested, ie a larger modulation frequency ratio of 3k is to be adopted, as it is used in SPWM.
文中还提出了抑制谐波电流和脉动转矩的方法，如在SPWM生成中，采用较大的3的整数倍调制比。
After the analyses of circuit theory of analogue voltage-to-frequency ratio converter, the design requirement of component parameters and the calculation method are presented.
分析了模拟电压一频率比变换电路原理，给出了元件参数的设计要求及其计算方法。
Based on the above-defined evaluation criteria, the evaluation is carried out for the effects of earthquake dominant frequency ratio (EDFR) on the seismic control performance of the ATMD.
根据选择的评价准则，评价了地震卓越频率系数(EDFR)对atmd抗震控制性能的影响。
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。
In order to achieve the most effective results of TMD system applied in diminishing the vibrations, there exists an optimization problem such as the optimum frequency ratio and optimum damp ratio.
为了达到调频质量阻尼系统最佳减振效果，需要对系统的参数进行优化，即求出最优频率比和最优阻尼比。
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。
The closer the ratio is to 100 percent, the lower the frequency of disk I/O, and therefore the less overhead of reading data.
命中率越接近 100%，磁盘I/O的频率就越低，因而读取数据的开销就越少。
The write-behind configuration should be tuned to best match your environment with regards to the ratio of write transactions, the same record update frequency, and database update latency.
write - behind的配置可以调整，以满足自己的运行环境，这其中包括写事务的比例，相同记录更新的频率，以及数据库的更新延迟。
The equivalent viscous damping ratio and the equivalent natural frequency are obtained by comparing the system with a purely linear, spring-mass-damper system of single freedom.
通过和单自由度线性弹簧-质量-阻尼系统进行比较，得到该带裂缝梁结构的等效自然频率和等效粘滞阻尼比。
The natural frequency, damping ratio and mode shape of a multi-degree-of-freedom system are analyzed and the identified results are in good agreement with the theoretical values.
并针对一多自由度系统具体论述了固有频率、阻尼比和振型的识别方法，识别结果与理论结果吻合较好。
A new method is proposed to reduce the peak-to-average power ratio of orthogonal frequency division multiplexing system.
提出了一种新的降低正交频分复用系统峰均功率比的方法。
This paper designs a Lissajous Figures signal generator which can generate sine wave with different ratio of frequency, By utilizing oscillograph, all kinds of stable diagram can be shown.
设计了一种利萨如图形信号发生器，能产生不同频率比的正弦信号，通过示波器能方便地得到各种稳定的利萨如图形。
The theoretical and experimental results are presented, which show the low axial ratio and low loss characteristics over octave frequency band of the polarizer.
给出理论和实验结果，证明了这种四层曲折圆极化器可以在倍频程范围内得到良好的低轴比、低损耗特性。
The relationship between frequency and prestress, ratio of rise to span of tensioned cable and membrane structure are also studied.
系统分析了索膜结构自振特性与预应力、矢跨比、索初始应力等的关系。
The experimental results show that the loss factor and damp ratio decrease, the resonance frequency increases with increase of the aperture of the piston in the damper.
对阻尼器不同孔径进行了对比试验，试验结果表明：随着活塞孔径的增大，阻尼器的损耗因子和阻尼比减小，共振频率增加。
The results show that the deposit rate, composition and properties of coating change with the variation of duty ratio and pulse frequency.
结果表明，镀层的沉积速率、镀层成分及镀层的性能都随脉冲频率和占空比的变化而变化；
The effects of pulse current, frequency, duty ratio and inverse current in zincate system on the appearance and corrosion resistance of zinc coating are investigated.
研究了在锌酸盐镀锌体系中采用脉冲电流时，脉冲频率、脉冲的占空比、反向电流对镀层外观、耐蚀性的影响。
By the analysis penetration of ZnOw into the compound board will compose a microscopic damping structure, which can reduce the vibration frequency and increase the damping ratio.
分析认为，氧化锌晶须渗入在复材中将形成微观的阻尼结构，起到降低固有振动频率和增大衰减率的作用。
The influence factors such as the dimension of exciting coil, the frequency, the duty ratio and the voltage of exciting pulse were analysed, the principle of choosing testing parameters was proposed.
分析了激励线圈的尺寸、激励脉冲的频率、占空比和电压等因素对脉冲涡流检测系统的影响，给出了实际检测过程中选择参数的原则。
The results show that the increase of the milling time, the vibration frequency and the charge ratio can effectively decrease the grain size of the alloy powder.
结果表明：球磨时间延长，振动频率提高和球料比的增大可有效地降低合金粉的晶粒尺寸。
The results show that the increase of the milling time, the vibration frequency and the charge ratio can effectively decrease the grain size of the alloy powder.
结果表明：球磨时间延长，振动频率提高和球料比的增大可有效地降低合金粉的晶粒尺寸。
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