查询词典 compressional waves

There are two kinds of elastic waves in solids a compressional wave and a transverse wave.

在固体中有两类弹性波，一类是压缩波，另一类是横波。

The radiation energy of the compressional and shear waves is greater in soft formation than in hard formation.

经向应力源辐射能量的95％在井内以管波形式传播(200Hz)，随着频率的增高，辐射进入地层的能量有明显增加。

The radiation patterns of the compressional and shear waves from different sources are numerically studied.

准快纵波、准慢纵波和准SV波之间的耦合关系也被导出。

In this paper,by numerical calculation, the effect of gas saturation on dispersion of model waves,excited spectrum of compressional wave and shear wave and full wave of acoustic logs in cased boreholl are discussed.

通过数值计算讨论了气体饱和度对声测井曲线的模式波的频散特性、纵波和横波的激发特性、全波波形的影响。

Due to the multilayered medium is more close to the real situation, Thomsen's definition of velocity ratio between compressional and shear waves is more accurate.

Thomsen于 1999年提出多层介质条件下的共转换点计算公式，其假设前提与实际情况更为接近，对纵横波速度比的定义也更为精细。

Non zero offset VSP ; converted SV waves ; compressional versus shear wave velocity ratio ; Poisson's ratio

非零偏VSP ；转换SV波；纵、横波速度比；泊松比

Two works guaranteed the fulfilment of this studies,(1)developing compressional - and shear - waves transducers with broadband which is key part of the system in the physics model experiment, and study of the special property and using skills of the transducers , groping the relative experience to develop transverse wave measurment and observation at laboratory.(2) establishing a suit of comprehensive testing system to observe the elastic wavefield in anisotropy media .

首先通过研制物理模型实验技术中的关键器件纵横波宽频带换能器，及对其性能和使用技巧的研究，积累实验室开展各向异性介质的测试经验，建立了一套较完整观测各向异性介质弹性波场的测试系统。

Using pattern recognition, we can obtain the slowness, amplitude andprimary frequency of compressional, shear and Stonely waves respectively, andthen calculate the available geological parameters.

我们根据各波型到达时间、相位、振幅和频率四方面的差异进行模式识别，在离散化输入条件下从长源距全波波形图上分离提取了纵波。横波和斯通利波的时差、振幅和主频，进而计算出各有关地质参数。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。