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- Sound Velocity Correction and Depth Reduction in Sounding 水深测量中的声速改正问题研究
- Sound Velocity Correction of Multi-Beam Echo Sounding System 多波束测深系统声速校正
- Keywords multi-beam bathymetric;sound velocity profile;sound velocity correction;acoustic ray-tracking;equivalent sound velocity profile; 多波束测深;声速剖面;声速校正;声线跟踪;等效声速剖面;
- sound velocity correction 声速改正
- Well Log Datum Velocity Correction. 井曲线基准面校正。
- Since environment factors influence the bend of sound ray directly, the accuracy of sound velocity profile and its correction algorithm will affect multi-beam bathymetric accuracy. 声速剖面精度及其校正方法直接影响多波束测深数据的精度,其主要原因是由于环境参数直接影响着声线折射弯曲程度。
- As an example, the distribution of the detonation pressure, density, particle and sound velocity along the detonation profile are given for TNT. 以tnt为例进行了计算,给出了其爆轰波内压力、度、速和声速等参数的分布。
- Finally, at long ranges, the blast wave becomes essentially a sound wave and its velocity approaches ambient sound velocity. 最后，在很远的距离处，爆震波基本上就变成一种声波，其速度已接近周围的声速。
- The vascular wall shear rate measurement, unambiguous turbulence measurement and maximum blood flow velocity correction methods using transverse Doppler technique were represented, and in vitro and in vivo experiment results were reported. 本文提出了利用横向多普勒技术估计血管剪切率、进行无模糊湍流测量以及最大血流速度校正的新方法 ,设计了多通道横向多普勒系统 ,实验结果证实了横向多普勒技术在血流动力学领域应用的有效性。 本文从应用方面扩展了横向多普勒技术的研究领域。
- William J.Capell,Sr.Determination of Sound Velocity Profile Errors Using Multibeam Data[C].Proceeding of Oceans 1999,1 144-1 148. 冯士笮;李风崎;李少菁.;海洋科学导论(第一版)[M]
- In the stress-atrain course of being controlled, thc sound velocity of each type seafloor sediment is variance as the developing of the strain course. 各类海底沉积物在受控应力-应变过程中，声速随应变过程发展而变化；
- 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 improved experiment device of interference of sound wave can feel the interference countervail and strengthening of sound in ordinary lab, and measure the sound velocity. 摘要本文给出了改进声波干涉实验装置的具体方案，该改进装置可在普通实验室内感受声音的干涉相消和干涉加强现象，并能测定声速和频率。
- After partition the pipe into calculation cells, the sound velocity, fuel density, fuel pressure and flowing velocity at every calculation crunode in different time are gained. 在对油管合理地划分计算单元后,可求解得到油管各个结点在不同时刻的燃油音速、密度、压力和流速等特征参数值。
- The shortening of the medullar rays naturally decreases the sound velocity a lot and, consequently, reduces the vibration capabilities of the instrument. 材料虽然没拿，但因此认识他太太，后来为材料的事也联系过很多次，只是材料总是不合心意，生意没成但人还是认识了。
- Results Compared with sound velocity and attenuation, the backscatter coefficient could reflect the structural change of biological tissue.The high frequency ul... 结果高频背向散射系数较声速、声衰减更能反映组织结构的变化,高频超声图像具有高的分辨率。
- The orientation structure of the polyacrylonitrile precursors was quantitatively studied by the sound velocity method and the wide angle X-ray diffraction. 采用声速法及X射线衍射法对不同拉伸倍数聚丙烯腈原丝的取向结构进行研究。
- This paper analyzes the reason of systematic error forming, the sound velocity error and attitude error are thought to be two main contribution factors. 摘要在多波束数据处理中，系统误差一般很少被顾及，部分文献采用两步滤波法削弱了系统误差的影响，但所建模型的可靠性较差。
- In the experiment of measuring sound velocity, the sound velocity is generally measured by producing standing waves between a couple of ultrasonic transducer. 摘要在物理实验中常利用在1对换能器之间形成的驻波测量声速。
- Atmospheric environment model, enter the height value, can be provided for a high degree of atmospheric pressure, density, sound velocity, and other parameter values! 大气环境模型，输入高度值，就可以得到规定高度的大气压强、密度、声速、等各种参数值！
