frequency ratio
英 [ˈfriːkwənsi ˈreɪʃiəʊ]
美 [ˈfriːkwənsi ˈreɪʃioʊ]
频数（率）比
双语例句
- In1960, American families ate out at restaurants much more often than Japanese and British families and the average frequency ratio was1.2:0.2:0.4 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。 - Spatial Frequency Ratio Image Fusion Method Based on Improved Lifting Wavelet Transform
改进提升小波变换的空间频率比图像融合 - 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。 - Study of countermeasures to deceptive jamming using random linear modulation frequency ratio SAR
随机线性调频斜率SAR抗欺骗干扰方法研究 - By analyzing the relation between the self oscillation frequency and the system frequency response, the relation between the precision of the harmonic linearization and the frequency ratio of the input signal and self oscillation signal, a method to design the self oscillation frequency is brought forward.
通过分析自振荡频率ωc与系统频率特性的关系、振荡线性化精度与输入信号和自振荡信号频率比ω0/ωc的关系，提出了自振荡频率的设计方法； - However, LT-TMD needs higher optimum tuning frequency ratio and lesser optimum damper ratio with reference to traditional TMD.
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。 - Analogue voltage-to-frequency ratio converter in weighing system
称重系统模拟电压&频率比变换电路 - 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。 - 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.
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； - Two new conceptions which are the coefficient of frequency ratio and the sensitive simple-harmonic wave of vibration of structure are proposed.
在此基础上提出了频比系数和结构振动敏感谐波2个概念。 - 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。 - 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.
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。 - Furthermore, an optimal frequency ratio of linearizing signal to control signal is presented.
在实际应用中由于初始条件的变化并不总是能够得到理想的等幅不等宽的脉冲调宽信号，因而传统理论分析得出的线性化信号频率与弹旋频率比并不总是最优的。 - It is shown that the nonlinear frequency ratio increases with the vibration amplitude and the slenderness ratio.
计算结果表明非线性频率与线性频率之比随振动幅值的增大和梁长细比的增大而增大； - Seismic frequency and frequency ratio in different magnitude range
不同震级范围的地震频度和频度比 - A new parameter, the frequency ratio of the transverse force is proposed. The parameter can best describe the characteristics of the transverse force spectrum in one respect.
在频域内建议了一个新参数一横向力比频率，它能从一个方面较好地概括横向力谱的特征。 - The paper, based on the simulation results, presents the optimum frequency ratio from the two following aspects: phase error and magnitude linearity.
从相位误差和幅值线性度这两个方面考虑，根据仿真计算结果，得出最优的频率比。 - Optimum frequency ratio of adjacent jet actuators is1 ∶ 1, and the bigger amplitude ratio can obviously improve control effect.
在所取算例中，相邻激励器频率最佳比为1∶1；大的幅值比可明显提高控制效果。 - 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.
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。 - 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。 - The parameters include the frequency spacing, average damping ratio, tuning frequency ratio, total number, mass ratio, and normalized acceleration feedback gain coefficient.
这些参数包括：频率间隔、平均阻尼比、调谐频率比、总数、质量比和标准化加速度反馈增益系数。 - The simulation results show that the optimal frequency ratio to some extent greatly improves the guidance precision and reduces the trajectory miss distance.
仿真结果表明，这一最佳频率比大大提高了导弹的制导精度，减小了脱靶量。 - By using numerical calculation, the relations between ( da/ dN) d, frequency ratio and damp ratio are given, an experimental rig is developed for ( da/ dN) d and the calculated results are in agreement with experimental ones.
通过数值计算给出了（da/dN）d与频率比、阻尼比之间的关系；研制了（da/dN）d的试验装置，并由实验初步验证了计算结果。 - 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。 - For signal instantaneous frequency ratio greater than two, according to the ridge curves that signal components correspond and the information on the ridge, directly separate signals. When the signal instantaneous frequency closed, public ridge is used to extract two or more components together.
当信号瞬时频率比值大于2时，我们直接根据信号分量对应的脊线及脊线上的信息，对信号进行分离；而瞬时频率比值小于一定值时，我们采用公共脊将多个分量一起分离出来。 - Traditional V/ F control ( Constant voltage frequency ratio) can not meet the requirements because of small starting torque disadvantage.
传统的V/F（恒压频比）控制又存在启动转矩小的缺点，不能够满足要求。 - This chapter also discusses the stability between the cable and the beam with some frequency ratio of resonance.
讨论了索和梁之间几种频率比下的内共振解的稳定性。 - In the choice of low-frequency sub-band coefficients, a scheme of the combination of weighting and selection based on spatial frequency ratio is presented; And the high-frequency was fused by weighting fusion algorithm based on edge.
在选择低频子带系数时提出了一种基于空间频率比的加权与选择相结合系数选择方案；针对高频子带的融合，采用一种基于边缘信息的加权融合方法。