查询词典 acoustic wave

Target identification using moving targets acoustic wave is a basic task of the acoustic detection system.

利用声目标在运动过程中产生的声波，对目标进行识别是被动声探测系统的基本任务。

A deflection angle of acoustooptical Bragg diffraction on an acoustic-optical medium is modulated by ultrasonic, and on the other hand, surface acoustic wave propagation velocity can be influenced by rotational velocity Ω of SAW medium.

摘 要：声表面波陀螺效应表现为SAW介质旋转角速度Ω对SAW波速的调制作用，以及对布拉格衍射角的调制作用。

Under given conditions, the shock wave is degraded into acoustic wave and the acoustic level of which depends directly on the weight of explosive charge in the blasting cap.

在一定条件下冲击波衰减成声波，声级的大小直接与爆炸的药量有关。

Secondly, the acoustic wave equation is used derive the stiffness matrix of acoustic rectangular element for performing the acoustic field finite element analysis.

第二部分应用声场波动方程式配合二维矩形元素进行声场有限元素分析。

A set of emitter which slenderize the acoustic wave has been designed, and also a set of receiver which select the scattered acoustic wave according to the position of the scattering particle has been designed.

研制出的发射传感器和接收传感器，能够分别产生细长的发射声束和接收声束，使信息窗区域面积能够控制在很小的范围内，位置也被控制在设计值处，满足了分区测量的要求。

In this paper, one example from Zhongyuan Oilfield, Wen-33-26 well with long spacing acoustic wave train log is given. The measured ''shear wave velocity was treated as Rayleigh wave velocity. The poisson ratio and Young...

本文以中原油田Wen-33-26井的长源距声波全波列资料为例，将所测得的井下"横波"速度当作瑞利波速度处理，求得的泊松比和杨氏弹性模量值更为合理。

This paper investigated the true propagation paths of acoustic wave in two-dimensional temperature gradient field-single peaked symmetry and deflective respectively, using the two- dimensional acoustic ray tracing method of forward deploying triangle. Besides, a simulating calculation and analysis of this acoustic ray tracing algorithm in model temperature was given.

该文使用二维空间中的三角形前向展开方法，对二维温度梯度场中的声线轨迹进行追踪，并分别在具体的单峰对称温度场和单峰偏斜温度场模型中，对该声线追踪算法进行了仿真计算和分析。

Vector acoustic field is a very important part of sound wave, but the vector information of acoustic wave has been unwitnessed for a long time.

矢量声场时声波场的重要组成部分，但在相当长的一段时间内没有受到重视，声波的矢量信息却被忽略了。

Concrete components have flaws, such as loose, hole, slit band and so on. These flaws not only lead to the change of acoustic velocity, but also have strong absorption and attenuation action to the acoustic wave. It is an effective method to detect engineering quality of concrete components by using acoustic velocity CT and attenuation CT combined detection technology.

混凝土构件中存在的诸如松散、空洞、缝隙夹层等缺陷，不仅造成声波速度的变化，而且对声波具有较强的吸收衰减作用，利用声波速度CT和衰减CT联合检测技术是检测混凝土构件工程质量的有效方法。

The relationship between the laser plasma acoustic wave and laser plasma shock wave is also studied. A method to judge the mechanical effect of the laser plasma shockwave according to the character values of the laser plasma acoustic wave is got.

论文还分析研究了激光等离子体声波和激光等离子体冲击波力学效应的关系，提出了利用激光等离子体声波特征量判断激光等离子体冲击波力学效应的方法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。