It presents obvious frequency dispersion effect and its sonic velocity increases along with the incident frequency increase.
岩体是具有多种微结构的复杂体，具有明显的频散效应。
The viscosity coefficient of pore fluid in saturated sandstone has an obvious effect on the attenuation, modulus, and velocity dispersion in low frequency range.
饱和砂岩中扎隙液体的粘滞系数对饱和砂岩的衰减、模量和速度色散的影响在较低频段是明显的。
The viscosity coefficient of pore fluid in saturated sandstone has an obvious effect on theattenuation, modulus, and velocity dispersion in low frequency range.
饱和砂岩中扎隙液体的粘滞系数对饱和砂岩的衰减、模量和速度色散的影响在较低频段是明显的。
It is theoretically shown that the application of high-order difference method in structure and velocity images decreases frequency dispersion error, but improves effect and accuracy of computation...
理论分析表明，在构造与波速成像中采用高阶差分方法，可以减小频散误差、提高计算效率与计算精度、获得满意的效果。
When the frequencies of the sine waves increase, the frequency dispersion of the hysteresis loops of the rocks is strengthened. This effect is also intensified with the saturation fluids.
随着正弦波频率增加岩石的滞回圈频散效应增强，饱和液体加强了这种频散作用。
The paper studies the random question of rocket self-defect, puts forward a new method of reducing the effect of rocket dispersion by designing equitably the first nature frequency of launcher.
本文研究了火箭弹自身缺陷的随机性。提出了通过合理设计发射装置一阶固有频率，克服火箭弹自身缺陷对落点散布的影响。
Chapter 3: Focuses on the effect of frequency chirping on Supercontinuum generation in dispersion flattened and dispersion decreasing fibers.
第三章：研究了色散平坦渐减光纤中，入射光脉冲的初始啁啾对超连续谱产生的影响情况。
Based on the optical rotatory dispersion effect, an optical filter for selecting the second harmonic of a frequency-doubled laser is constructed from quartz in combination with polarizers.
针对倍频激光中存在基频光的实际情况，依据石英晶体的旋光特性，利用石英晶体和起偏棱镜的组合，设计了一种用于去除倍频激光中基频光的光学滤波器。
Based on the optical rotatory dispersion effect, an optical filter for selecting the second harmonic of a frequency-doubled laser is constructed from quartz in combination with polarizers.
针对倍频激光中存在基频光的实际情况，依据石英晶体的旋光特性，利用石英晶体和起偏棱镜的组合，设计了一种用于去除倍频激光中基频光的光学滤波器。
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