频率比

pín lǜ bǐ
  • frequency ratio
频率比频率比
  1. 然而,LT&TMD比传统的TMD具有更大的最优调谐频率比和更小的最优阻尼比。

    However , LT-TMD needs higher optimum tuning frequency ratio and lesser optimum damper ratio with reference to traditional TMD .

  2. 采用振型分解反应谱法,分析了小高层建筑屋顶花园作为TMD的减震原理和该TMD与主体结构频率比和质量比的变化规律,并阐述了对TMD的最优参数设计;

    This paper , by taking roof garden as TMD in mid-rise building , discusses the shock reduction principle and the change rule of frequency ratio and mass ratio between TMD and structure , based on the modal analysis response spectrum . The TMD 's optimal parameters design is explained .

  3. 某些频率比其他频率更容易找到并获取阻断其信号的设备。

    It 's easier to find and acquire jamming equipment for some frequencies than it is for others .

  4. 诺福克自然生活的创始人贝拉·米德尔顿补充道:“我一点也不惊讶地毯比马桶圈要脏,这主要是因为人们清洁卫生间的频率比清洁地毯的频率高得多。”

    Bella Middleton , Founder16 of Norfolk Natural Living , added : ' I am not at all surprised that your carpets are dirtier than your loo seat , largely because people clean their bathroom a lot more often than they do their carpets .

  5. 寻找移动WiMAX的可用频率比固定WiMAX更为困难;

    Looking for applicable frequency for mobile WiMAX is harder than fixed WiMAX ;

  6. 分析表明,在一定深度裂纹下,转子系统响应随不同角频率比表现出复杂的非线性现象,出现了周期k运动、拟周期运动和混沌运动等多种运动形式。

    It indicates that complicated nonlinear phenomena at different angular frequencies appear as the shaft crack gets a certain depth , such as period-k motion , quasi-periodic motion and chaos motion .

  7. 通过最优搜寻得不同刚度比R时TMD最优调谐频率比、最优阻尼比和相应的Min。

    In light of the criterion and considering the different stiffness ratio R , one obtains the TMD optimum tuning frequency ratios and damping ratios as well as the corresponding values of Min.

  8. 结论中国汉族人载脂蛋白Eε4等位基因频率比西方人低,可以部分地解释汉族人AD的低发病率。

    Conclusions The obtained ε 4 rate of 10 0 % and 18 3 % are lower than most of the Western findings , and this may account in part for the lower prevalence of AD found among the Chinese Han nationality .

  9. 此外,还发现分离淋巴细胞的自发SCE频率比微量全血培养的显著地高(P<0.01)。

    Besides , it was found that the spontaneous SCE frequency obtained by separate lymphocytes culture method was significantly higher than by trace blood culture method ( P < 0.01 ) .

  10. 经分析可知,MTMD的频带宽度、阻尼比、质量比、中心频率比和TMD的个数对结构振动控制有重要影响,应对其进行优化。

    The results show that the frequency width , damping ratio , mass ratio , central frequency ratio and total TMD number of MTMD influence the vibration control effects . It is necessary to optimize these parameters .

  11. 通过最优搜寻得TMD最优调谐频率比和阻尼以及相应的控制有效性指标。考虑结构受控频率与地震基频的不同比值,研究地震基频对TMD最优参数及其有效性的影响。

    Through selecting the different values of the ratio of structural frequency of the controlled mode to seismic characteristic frequency , the research is carried out on the influence of seismic characteristic frequency on TMD optimum parameters and its effectiveness .

  12. 而run2在c∞v对称性时,五重态5∑-的计算频率比实验值稍低。

    It is found that the single states and the triplet states are in good agreement with the experimental values . For the C ∞ v symmetry , the calculated frequency of the quintuple state 5 Σ - is slightly lower than the experimental value .

  13. 在振动频率比热能(kT)低,并且键长的变化小于从反应物到产物间距离的情况下,此法算出的FC因子与经典和半经典方法的计算结果相吻合。

    The FC factors computed by using ab initio method are agree with the classical and semiclassical results , in case of the vibrational frequency lower than the heat energy kT , and the change of the bond length is less from the reactant to the product .

  14. 心肌梗死患者中-455A、-148T和448A的频率比健康人明显升高。

    The frequencies of - 455A , - 148T , 448A alleles in myocardial infarction disease were apparently higher than that of health adults .

  15. 基于定义的设计准则,研究了非对称结构的标准化偏心系数(NER)和扭转对侧向频率比(TTFR)对处于最优位置MTMD最优设计参数和有效性的影响。

    In terms of the above-defined design criteria , an evaluation is made on the influences of the normalized eccentricity ratio ( NER ) and the torsional to translational frequency ratio ( TTFR ) on the optimum design parameters and effectiveness of the MTMD set at the optimum placements .

  16. 为此,通过分析不同振型之间的位移、速度、位移-速度相关系数随频率比和阻尼比的变化规律,给出了复振型平方和开方(CSRSS)组合方法的适用范围。

    Hence , the applicability of the CSRSS ( complex square root of the sum of squares ) method is provided for studying the variations of the modal displacement , velocity , displacement-velocity correlation coefficients along with the ratios of different frequencies and damping .

  17. 我相信,英国获奖的频率比这要高。

    I believe the British victory rate is higher than this .

  18. 零点的频率比极点低。

    The zero occurs at a lower frequency than the pole .

  19. 晶闸管相控变频器的频率比极限

    Limit of frequency proportion in the thyristor phase control frequency converter

  20. 称重系统模拟电压&频率比变换电路

    Analogue voltage - to - frequency ratio converter in weighing system

  21. 抱歉这玩意响的频率比我的心跳还高

    Sorry . This thing beats more often than my heart .

  22. 幼鱼的呼吸频率比成鱼的高1.15~1.88倍。

    Respiratory rate of young fish was 1.15-1.88 time of adult fish .

  23. 女性点炸薯条的频率比其他任何食物都要高。

    Women order fries more often than any other food .

  24. 儿童戴头盔的频率比成人低得多。

    Children wear motorcycle helmets much less often than adults .

  25. 改进提升小波变换的空间频率比图像融合

    Spatial Frequency Ratio Image Fusion Method Based on Improved Lifting Wavelet Transform

  26. 过去,建房互助协会使用分支机构的频率比银行更高。

    Building societies once used branches more than banks .

  27. 低损耗电压频率比控制的变频调速系统性能仿真研究

    Simulation of Variable Frequency Drives System with Lower Losses Volts / Hertz Control

  28. 胶质细胞及其突起出现的频率比正常高。

    Frequency of glial cell and processes is higher than normal cerebral cortex .

  29. 长江流域水灾频率比黄河大。

    The flood frequency in Yangtze River is higher than in Yellow River ;

  30. 采用非线性刚度为主的隔振系统,确定了最佳频率比。

    The nonlinear stiffness of the insulating system and the best frequency ratio are put forth .