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1)  Ray Travel-time
声线传播时间
1.
By analyzing the influence of sound speed perturbation and array tilt on ray travel-time,ray travel-time and relative arrival-time errors are formulated in this paper.
本文通过分析声速扰动与基阵倾斜对声线传播时间的影响,推导了声线传播时间误差和时延误差估计公式,揭示了基于声线传播时间和相对到达时刻的匹配场声源定位对失配的敏感性。
2)  acoustic travel time
声传播时间
1.
The ACM was designed for transmitting and receiving the sound signal at same time,and accurate measuring acoustic travel time between two separated stations,using the M-sequence sound signal and GPS time clock.
该声学测流仪采用了M序列码声信号,通过利用GPS时间信号进行两个站位间异地同步水下声信号的发送和接收,实现双向声传播时间的精确测量。
3)  acoustic propagation time measurement
声磁传播时间差
1.
In order to locate power cable fault fast and accurately,the acoustic propagation time measurement was developed to detect cable fault.
为了快速准确的找到电力电缆故障所发生的位置,研究了声磁传播时间差法测寻电力电缆故障点。
4)  flight-time
传播声时
5)  propagation time
传播时间
1.
The affecting factor analysis of propagation time of peak flood in downstream of the Yellow River;
影响黄河下游洪峰传播时间因素的分析
2.
under the condition of identical source sensor location,testing stress wave propagation time-goal sensor location curve,respectively in the hole sample and the intact.
在确定传感器布置方式及数量的基础上,通过敲击不同位置源传感器,测试未钻孔木圆盘试样应力波传播时间,在同一试样钻一定直径孔洞,测试应力波传播时间;在源传感器位置相同的条件下,分别测试出有孔洞、无孔洞传播时间—目标传感器位置曲线,对比分析应力波在有孔洞木材内部传播时间变化的特点,实现对木材内部孔洞定性判别。
3.
Nondestructive pressure measurement based on surface wave usually requests accurate measurement of propagation time of surface wave in the medium.
基于表面波的压力无损测量方法要求精确地测量表面波在介质中的传播时间。
6)  travel time
传播时间
1.
Sound speed profile in ocean inverted by using travel time;
由传播时间反演海水中的声速剖面
2.
The measurement technology of the ultrasonic travel time of the ultrasonic based on phase-matched theory was presented.
通过虚拟仪器平台的实验,表明该测量系统的信号传播时间测量具有ns级的测量精度。
3.
In this paper,we not only consider the difference between "up-crossing"and "down-crossing" of the wavefront and the stochastic surface and present the general equations of the probabilities of the travel time of the earlier arrivals,but also extend the resu.
Fuks和Godin关于随机界面背向散射脉冲传播时间统计特性理论只适应于随机界面和波阵面“up-crossing”且界面高度-斜率不相关情形。
补充资料:传播常数(见传输线)


传播常数(见传输线)
propagation constant

  ChUon匕oChongsh日传播常数(propagation constant)线。见传输
  
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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