But the seismic amplitude ratio of major aftershock was not steady.
主余震地震序列的地震振幅比不稳定。
The amplitude ratio of the mainlobe to sidelobe of window function is an important index and so is the maximal energy ratio.
窗函数的主辨与旁辨的振幅比和最大能量比都是窗函数的重要性能指标。
The amplitude ratio anomaly and the velocity ratio anomaly in HBC area can be usually seen at anticlinal axis areas and small noses.
在HBC地区的纵、横波振幅比异常和速度比异常多分布于构造的轴部和小鼻褶上。
Analytical solutions were obtained, and the formulae for resonance frequency, velocity distribution, amplitude ratio and node location derived.
我们获得了解析解,然后给出了共振频率、速度分布、振幅比和节点位置公式。
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的微风振动,研究防振锤安装位置的优化计算方法是非常必要的。
Furthermore, with the method of amplitude ratio with different frequency selected, the areal attenuation effect and local site response have been studied.
采用振幅谱频率比方法,研究区域衰减效应和局部场地响应。
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.
通过对菲涅耳公式的分析,找到一种新的简单直观的几何图示,能完整地给出菲涅耳公式的四个振幅比关系。
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比和相对频宽的电液伺服阀力矩马达的设计概念。
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,研究了幅值比,平均应力,应力幅,加载率对棘轮应变以及棘轮应变幅的影响。
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的震源机制解软件,要求条件低、计算简便易行,可满足地震台网在地震速报中同时提供震源机制解参数的需要。
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,拟合出桩周土为黏土、砂土、粉土条件下缺陷程度与时域速度响应波形中入射波与反射波波幅比之间的关系式。
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)集中度与光阑的遮拦比、光束截断参数以及振幅调制和位要畸变参数等有关。
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,增大初始振幅在初始一定距离范围内能减小压缩比,接近理想光孤子的脉冲波形压缩效果最好。
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、泊松比等弹性参数和叠前振幅、频率属性可对裂缝密度和方位进行定量预测。
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、深度比、波幅、波长因素对最大总作用力和总力矩的影响。
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.
纵波的固有频率因仪器的存在而增大,纵波幅度还受地层的纵、横波速度比的影响。
It has the same transmission constant as the exciting mode, but its amplitude reduces at the decreasing ratio of core radium.
它具有与激励模相同的传输常数,但幅度却以芯径渐缩的速率衰减。
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.
将它们与其它测井资料对比,发现斯通·利波的幅度及其与纵波幅度的比值与地层的渗透性有关。
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的形成时间随着振幅的增加而减少,而开路光伏孤子的时间行为与孤子峰值强度与暗辐照的比值有关。
When the frequency is small, the amplitude has an obvious effect on the critical aspect ratio.
裂面形貌扰动频率越小,振幅对裂腔分节临界形态比的影响越显著。
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时幅转换显著提高了对延迟时间的测量精度。
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,采用串联检波器串的方式所得记录的相位连续性好、振幅增强,信噪比较高。
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.
在此基础上,讨论了幅度系数比对幅度相位双差分空时码的影响,并给出了一种最佳的幅度系数选择方案。
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和失水量,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。
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窗能量比值与波形信号能量包络的平方乘积检测横波初至的新方法。
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.
研究了多信号检测,分析了检测性能随正弦信号个数和幅度比的变化。
The viscoelastic damper reduces the dynamic amplitude of bridge structure through change the frequency and damper ratio.
粘弹性阻尼器通过改变桥梁结构的频率和阻尼比来达到减振目的。
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.
速度比较大、刀盘倾角较小、振幅与频率较小、刀片数量为4把时可以获得较小的破头率。
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.
速度比较大、刀盘倾角较小、振幅与频率较小、刀片数量为4把时可以获得较小的破头率。
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