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amplitude ratio 振幅比,幅值比;幅度比率

  • Using this software, the relationship between degree of defect and ratio of amplitude was studied, in which the influence of the characteristics of the soil around piles is taken into account.

    通过大量正演计算,拟合出为黏土、砂土、粉土条件下缺陷程度时域速度响应波形入射波与反射波波之间关系式

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  • Numerical calculation results show the dependence of the power (energy) focusability on the obstruction ratio, truncation parameter, the amplitude modulation and phase fluctuation parameters.

    数值计算结果表明功率(能量)集中度与光阑遮拦、光束截断参数以及振幅调制位要畸变参数等有关。

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  • Numerical results show that the squeezing ratio decrease at some initial distance when the amplitude increase and the squeezing was best if pluse wave shape near fundamental soliton.

    数值结果表明增大初始振幅初始一定距离范围内能减小压缩接近理想光孤子脉冲波形压缩效果最好

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  • But the seismic amplitude ratio of major aftershock was not steady.

    余震地震序列地震振幅稳定

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  • Though the analysis of the Fresmel formula, the builds a new simple and visual geometric illustration which can offer the amplitude ratio named Fresnel formula.

    通过公式分析,找到一种新的简单直观几何图示完整地给出涅耳公式的四个振幅比关系

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  • Moreover, the effects of density and depth ratio, amplitude and wavelength on maximal total force and total moment are analyzed.

    分析了相对密度比、深度波幅波长因素最大作用力力矩影响

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  • The amplitude ratio of the mainlobe to sidelobe of window function is an important index and so is the maximal energy ratio.

    函数辨与旁辨振幅最大能量比都是窗函数的重要性能指标

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  • It has the same transmission constant as the exciting mode, but its amplitude reduces at the decreasing ratio of core radium.

    具有激励相同传输常数幅度渐缩速率衰减。

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  • Analytical solutions were obtained, and the formulae for resonance frequency, velocity distribution, amplitude ratio and node location derived.

    我们获得了解析然后给出共振频率速度分布振幅节点位置公式。

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  • The amplitude ratio anomaly and the velocity ratio anomaly in HBC area can be usually seen at anticlinal axis areas and small noses.

    HBC地区的纵、横波振幅异常速度比异常多分布于构造部和鼻褶上

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  • By comparison with other logging data, the amplitude of Stoneley wave and the ratio of Stoneley wave amplitude to compressional wave amplitude are related to formation permeability.

    它们其它测井资料对比,发现斯通·利幅度及其与纵波幅度比值地层渗透性有关

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  • Moreover, we find that the formation time of screening solitons decreases with increasing amplitude, while the PV soliton's is relative to the intensity ratio.

    另外发现稳态屏蔽孤子形成时间随着振幅增加而减少开路光伏孤子的时间行为与孤子峰值强度与暗辐照比值有关

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  • The software using method of amplitude ratio can compute source mechanism easily in less limitations. It can give both earthquake location parameter and source mechanism solution.

    使用振幅比法计算地震震源机制软件,要求条件、计算简便易行,满足地震台网地震速报中同时提供震源机制解参数的需要。

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  • When the frequency is small, the amplitude has an obvious effect on the critical aspect ratio.

    裂面形貌扰动频率振幅裂腔分节临界形态影响显著

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  • Elastic parameter such as impedance, velocity, Poisson ratio etc. and pre-stack amplitude, frequency attributes can be used to quantitatively predict the fracture density and direction.

    利用阻抗速度泊松弹性参数叠前振幅频率属性裂缝密度方位进行定量预测

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  • Based on the above, the impact of amplitude coefficient ratio on amplitude-phase Double Differential Space-Time Codes is discussed, and an optimal selection scheme in amplitude coefficient is given.

    此基础讨论了幅度系数比对幅度相位差分空时影响给出一种最佳的幅度系数选择方案

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  • C variable amplitude pulse charging mode was proposed to reduce capacity ratio of charge-discharge and water-loss rate, so the batteries in series were in conformity, thus to extend the cycle life.

    变幅脉冲充电模式减少充放电容量比率水量,促使串联中各电池性能的一致达到延长深循环寿命的目的。

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  • Detection of multiple signals is studied, the change of detection performance is analyzed what is contact with the number of sinusoid signals and the ratio of each amplitude.

    研究了信号检测分析了检测性能随正弦信号个数幅度变化

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  • The intrinsic frequency of P-wave increases because of existence of apparatus and its amplitude has been influenced by velocity ratio of P-wave vs S-wave.

    纵波固有频率仪器存在而增大,纵波幅度地层的纵、横波速度的影响。

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  • The design concept of the relative frequency amplitude ratio and the relative frequency width of toque motor stiffness of electro-hydraulic servo valve are proposed.

    提出了利用相对频率幅值相对伺服力矩马达设计概念

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  • The results of field test showed that adopting cascade geophone pattern can be results of good continuation of phase, enhanced amplitude and high signal-to-noise ratio on the records.

    实际野外试验结果表明采用串联检波器方式所得记录相位连续性振幅增强,信比较

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  • The viscoelastic damper reduces the dynamic amplitude of bridge structure through change the frequency and damper ratio.

    弹性阻尼通过改变桥梁结构频率阻尼比来达到减振目的。

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  • The device Adopt the constant-ratio electric circuit and time-amplitude conversion, the accuracy of delay time raised biggest.

    采用恒比定时电路以及转换显著提高延迟时间的测量精度

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  • A new technique for picking the first S-Wave arrival is presented by multiplying energy ratio of the long window to the short window by the square of the amplitude envelope of waveforms in the paper.

    提出了利用波形长短时能量比值与波形信号能量包络平方乘积检测横波初至方法

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  • We'll acquire the small broken rate when speed ratio is big, the angle of knife dish is small, amplitude and frequency is small, the number of blade is 4.

    速度比较倾角较小振幅频率较小、刀片数量4可以获得较小破头

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  • Then, a numerical calculation method about installing positions of dampers on transmission lines by calculating the weighted amplitude ratio isp.

    为更好地控制架空输电线微风振动,研究防振锤安装位置优化计算方法是非常必要的。

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  • Through the stress-controlled test the effect of the amplitude ratio, the average stress, stress amplitude and loading rate on the ratcheting strain and strain range are studied.

    通过应力控制,研究平均应力,应力幅,加载棘轮应变以及棘轮应变幅的影响

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  • Furthermore, with the method of amplitude ratio with different frequency selected, the areal attenuation effect and local site response have been studied.

    采用振幅频率方法研究区域衰减效应局部场地响应。

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  • With reduced the concentration of hydrogen, the oscillation start critical equivalence ratio is higher and the maximum amplitude of thermoacoustic oscillation is larger.

    随着氢气含量减少,起临界当量比变热声振荡最大振幅变大。

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  • With reduced the concentration of hydrogen, the oscillation start critical equivalence ratio is higher and the maximum amplitude of thermoacoustic oscillation is larger.

    随着氢气含量减少,起临界当量比变热声振荡最大振幅变大。

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