amplitude variation
英 [ˈæmplɪtjuːd ˌveəriˈeɪʃn]
美 [ˈæmplɪtuːd ˌveriˈeɪʃn]
网络 振幅变化
双语例句
- He discovered, on closer inspection, that the rocks contained gold
经过更为仔细的探察，他发现这些岩石含金。 - AVO is a seismic exploration technology using the characteristics of amplitude variation versus offset to recognize the rock types and oil-gas reservoir.
是利用振幅随偏移距变化特征分析和识别岩性和油气藏的地震勘探技术。 - Development on amplitude of variation working cylinder cad system of truck crane
汽车起重机变幅油缸CAD系统的研制 - The amplitude variation of reflection were influenced and controlled by many factors.
地震波反射振幅的变化受诸多因素的影响和控制。 - Reservoir fluid prediction method based on prestack amplitude variation with angle inversion
基于叠前振幅随角度变化反演的储层流体识别方法 - It estimates the seismic parameters using real seismic data gathers through the amplitude variation with respect to the change of incident angle.
它根据振幅随入射角变化关系，由实际地震道记录估算岩石的地震参数。 - Moreover, the wavelet coefficients modulus can give the amplitude variation of the fault characteristic torque during the startup process of the induction motors and it can be used as the rotor fault severity factor to analysis the number of rotor broken bars.
同时，对应尺度上小波系数的模值还能够反映该故障特征转矩在电机起动过程中的幅值变化规律，将其作为故障严重程度指标则可以进一步判断转子断条根数。 - This paper introduced the structural and tuning principles of a three-dimensional vibration table, established variable stiffness experimental equipment and studied the role played by resonance in the energy and amplitude variation in a variable stiffness system.
首先介绍了三维振动台的结构原理和变刚度调谐原理，建立了变刚度试验装置，研究了共振在变刚度系统中能量和振幅变化情况。 - It can be seen from synthetic waveform that the influence of well-wall boundary condition on acoustic waveform is so serious that the amplitude variation of Stoneley wave fails to reflect true variation of formation permeability.
由合成波形可以看出，井壁上的边界条件对声波波形影响很大，由此产生的斯通利波的幅度变化并不完全代表地层渗透率的变化。 - The amplitude spectrum is suitable for total fracture distribution because of its better detection results for strong amplitude variation.
振幅谱对于引起振幅剧烈变化的裂缝检测效果好，有利于检测整体裂缝的分布。 - And the azimuthal anisotropy of P-wave reflects the situation of fracture of underground medium. Especially, P-wave azimuthal amplitude variation with offset ( AVO) is sensitive to fracture.
所以地震P波的方位各向异性反映了地下介质裂缝的发育情况，尤其是P波方位AVO属性，对裂缝的发育程度具有较好的敏感性。 - In the paper, we make use of complete Zoeppritz equation to make theoretical models corresponded to different stratum parameters, and study the amplitude variation characteristic with offset.
利用完全形式的Zoeppritz方程，制作了具有不同地层参数的理论模型，研究振幅随炮检距的变化特征。 - However, in the presence of amplitude variation with offset ( AVO), and particularly at large offsets, reflection coefficients and polarities may differ significantly from those at normal incidence.
然而，在振幅随炮检距变化的情况下，即当偏移距范围很大时，无论是反射波的振幅还是极性都发生了非常大的变化。 - Analysis and Mechanism Study on amplitude variation of an observation indication of exercise test R wave
运动试验观察指标R波振幅改变的分析及其机制探讨 - The amplitude variation of seiches is related to the air pressure, wind field and rainfall above the lake.
定振波振幅的突变与气压场、风场和降水分布不均匀并在短期内发生突变有关。 - An amplitude-limited filter was designed in the analog cir-cuit, which eliminates the need of adjusting hardware circuit parameters for large amplitude variation of the sensor signal.
模拟信号调理部分加入限幅滤波电路，解决传感器信号强度变化大、需要调整硬件电路参数的问题。 - The position of the image and the amplitude variation in the optical field are associated with the focus and the distance from the object to the front focal plane of the lens system.
象的空间位置和光场振幅的变化与透镜系统的焦距以及物体距焦平面的位置有关。 - AVO inversion modeling based on seismic data consequentially confirms such a pattern of amplitude variation with offset in seismic reflection on the top of Shannon reservoir sandstone.
基于地震资料的AVO反演研究进一步证实了该地区Shannon砂岩储层顶部地震反射振幅随炮检距的改变而变化的规律。 - A clear latitude-independence can also be obtained for the harmonic amplitude variation of geomagnetic potential, with its distribution and time variation on the north-south hemisphere is asymmetrical with respect to the Equator.
地磁位的谐波振幅变化有明显的纬度依赖性，在南北半球的分布及其时间变化与地球赤道非对称。 - The simplified formula takes into account of the factors, such as permeability coefficient, velocity of fluctuation, specific yield, aquifer thickness, water level amplitude variation and rainfall intensity.
该公式考虑了渗透系数、升降速度、给水度、含水层厚度、水位变幅及降雨强度的影响。 - This system can measure amplitude variation, frequency, phase and acceleration of rail steel vibration.
该方法能够测出轨道振动的幅度、频率、相位、加速度等参数。 - The results measured showed: ( 1) Amplitude variation of pressure in the axial direction was greater. The maximum average value of axial pressure was 3.3 × 10~ 4 Pa, and that of radial pressure was 8 × 10~ 3 Pa.
测定结果表明：轴向压力的波动较大，最大轴向压力的平均值为3.3×10~4帕，最大径向压力的平均值为8×10~3帕； - The anisotropy, porosity, fluid saturation and effective pressure are the significant factors which effect on amplitude variation with offset ( AVO) of seismic wave in the medium.
介质的各向异性、孔隙率、流体饱和度及有效压力等是影响地震波振幅随炮检距变化（AVO）的重要因素。 - The anisotropy of a medium has a serious influence on the multiwave amplitude variation with incident angle.
介质各向异性对多波振幅随着入射角的改变而变化（AVA）有着重要的影响。 - Thermoacoustic theory has been studied particularly by exploring the time structure of acoustic signals and the law of acoustic pulse amplitude variation.
通过对水声信号的时间结构和声脉冲幅度变化规律的测定，着重研究了热声理论。 - Lunar phase-effect on amplitude variation of Z component on magnetically quiet days
磁静日Z变幅的月相效应 - In view of determining the steel bar quantity and distribution problems in steel reinforced concrete, this topic adopts the survey of measuring the amplitude variation and the phase change of the reflection signal, to achieve the goal.
针对确定钢筋混凝土中钢筋的数量和分布的问题，本课题采取测量反射信号的幅度变化和相位变化，实现测量目的。 - The damage index spectrum peak amplitude variation Δ A which was extracted from the crack reflection Lamb wave differential signal showed good agreement with the change tendency of the fatigue crack length.
提取裂纹反射波差信号的频谱峰值幅度变化量ΔA与疲劳裂纹长度的变化趋势吻合较好，即ΔA可作为Lamb波定量表征裂纹长度的损伤指数。 - The closer to the electrode, the larger the current density value of nerve fascicle is and the more obvious the AF amplitude variation is. 3.
距离电极近的神经纤维束电流密度值大，激活函数幅度变化最明显。 - When you using the phase part and phase block matching method, the brightness of the image information can only lead to amplitude variation and the phase information is not affected.
利用相位相关匹配方法时，图像的亮度信息只会导致幅度变化，而对相位信息没有影响。