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- Research on the production of a new type of sound velocity measuring unit 新型声速测定仪的研制
- DETERMINATION OF THE SYNTHETIC ATTENUATION COEFFICIENT OF SOUND INTENSITY IN SOUND VELOCITY MEASURING 声速测定中声强的综合衰减系数的测定
- Research for Attenuation of Sound Wave in Sound Velocity Measurements 声速测量实验中声波衰减现象的研究
- sound velocity measuring 声速测量
- A Discussion on the Receiving Signal of Transducer in Experiment of Sound Velocity Measurement 声速测定中换能器接收信号探析
- 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。
- sound velocity measurement 声速测量
- 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。
- This paper has made systematic accuracy analysis of DR582 velocity measuring radar system developed by Danish TERMA company. 本文对丹麦托马(TERMA)公司研制的DR582测速雷达作了系统精度分析.
- 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。
- 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]
- Research on three-dimensional velocity measurement using nonorthogonal LDV[J]. 引用该论文 竺晓程;赵岩;杜朝辉.
- 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;
- pulse method of measuring sound velocity 测量声速的脉冲法
- This paper has analyzed where the measuring error comes from in two dimensions four beams and two colors laser Doppler velocity measuring system. The synthesizing method of uncertainty has been given. 分析了实测中二维四光束双色激光多普勒测速系统测量误差的来源,给出了不确定度的合成方法。
- 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。