sound velocity

The programs adopt stratified constant-gradient method to approximately describe the sound velocity distribution.

程序中采用分层等梯度近似来描述海洋中的声速分布.

The Sound Velocity Measurements of Fe-O-S at High Pressure and the Candidate Compositions Research of Earth's Outer Core

Fe-O-S高压声速测量及外地核组分的限定性研究

The velocity of sound in water is more than four times that in air.

声音在水中的速度是在空气中的速度的4倍多.

A method to estimate temperature coefficient of sound velocity at high pressure

高压下声速温度系数的一种新算法

Study on the variation of sound velocity of ultrasonic transverse wave at varied temperatures

不同温度下超声波横波声速变化的研究

Here, the sound pressure field and particle velocity field of sound diffraction by an elastic spherical shell are studied theoretically.

以实际应用需求为背景，从理论上分析了平面声波在弹性球壳上的衍射声压场和振速场；

Different admixture and additive make the change of the velocity of sound different;

不同类型外掺料与外加剂控制水泥石工程特性的原理不同，声速反应也不同；

Method for Inversing Sound Velocity Profiles Based on Multi-beam Sonic Line Travel

基于多波束声线传播的声速剖面反演法

The minimum values of sound velocity and dynamic Young's modulus were found at the grain angle of 45 °.

当表层单板的纤维倾斜角为45°时，木塑复合层压板的传声速度和动态弹性模量最小。

The sound velocity of the concrete with waste slag was tested before and after freezing and thawing in water, 3.5% NaCl and 3.5% NaCl+ 5.0 Na_2SO_4 solutions.

用超声波法检测了掺废渣混凝土在水溶液、3.5%氯化钠溶液以及3.5%氯化钠与50%硫酸钠复合溶液中冻融前后的声速变化。

THE INTERFERENCE FACTOR OF VORTEX LIFT OF WING-BODY COMBINATIONS AT SUBSONIC SPEED Sound velocity and acoustic nonlinearity parameter B/ A in medium composed by certain components

亚声速组合体非线性升力干扰因子不同元系媒质的声速与非线性声参量

Research on the Influence of Surface Sound Velocity in Multibeam Echo Sounding

表层声速对多波束测深影响的研究

Space-time change feature of sound velocity profile in South China Sea

南海声速剖面时空变化特征

Quality Control of Sound Velocity Profile Based on ARGO Measurements

基于ARGO数据的声速剖面质量控制

Discussion on the experiment of sound velocity measured by standing wave method

驻波法测量声速实验的讨论

Measuring wave velocity of liquid surface wave by the method of ultrasonic grating measurement for sound velocity The cruising speed of this new type of fighter is Mach two.

超声光栅测声速的方法运用到液体表面波波速的测量这种新型战斗机的巡航速度为声速的两倍。

The special sound velocity profile in deep ocean provides two favorable conditions for long-range propagation: the surface duct and SOFAR channel.

深海特殊的声速剖面分布形式，为远距离的声传输提供了两个可以利用的条件：表面声道和深海声道。

The traced technical target should be pressure platform effect that is not affected by temperature and velocity of sound.

所追踪的技术目标是不受温度、音速影响的压力平台效应。

Application of Virtual Oscillograph with Sound Card in the Measuring Sound Velocity

利用基于声卡的虚拟示波器测定声速

Mesoscale phenomena has been considered to be the main contribution of the temporal and spatial variation in the actual ocean environment. It directly results in the changing of the sound velocity profile structures, which can make an impact on wave propagation further.

海洋中尺度现象，是引起实际海洋环境空间分布变化的主要因素，它直接影响到声速剖面结构特征，并进一步影响海区的声传播特性。

This paper introduced a new Lamb wave sensor based on the analysis of nowaday methods for measuring sound velocity in liquid.

在分析现有液体声速测量方法的基础上，提出了一种新的兰姆波传感器。

The acoustic radiation resistance matrix is combined with the velocity vector on a vibration surface to predict the total sound power radiated from the structure.

利用声辐射阻力矩阵和振动面上的速度矢量预报了结构声辐射的总功率。

Upbuild the signal model for ship noise, deduce the relationship between sound pressure and particle velocity in plane wave.

建立本舰噪声的信号模型，推导了平面波声场声压和振速的相关性。