传播时间法,transit-time
1)transit-time传播时间法
1.The signal processing techniques intransit-time ultrasonic flowmeters over the past fifty years were reviewed.主要从信号处理的角度,回顾了传播时间法超声流量计近五十年来的技术进展,分别评述了时差法、相差法和频差法中经典的检测技术,重点介绍了近年出现的一些新颖测量方法。
英文短句/例句
1.The method of propaga-tion time and the method of tide lag can be used for forecasting the occurrence-time of tide bore.涌潮潮时预报方法有传播时间法和隔日滞后时间法。
2.Review of the Signal Processing Techniques in Transit-Time Ultrasonic Flowmeters传播时间法超声流量计信号处理技术进展述评
3.Research on Measurement of Ultrasonic Transit Time Based on Sing-around Method;基于回振法的超声波传播时间测量方法研究
4.Research of Acoustic Temperature Field Measurement System and Acoustic Travel-time Measurement Method声学法测温系统及声传播时间测量方法研究
5.Pair-wise Broadcast Time Synchronization Algorithm for Wireless Sensor Networks无线传感器网络比对广播时间同步算法
6.Preprocessing methods for spectrum analysis of pulse transit time variability脉搏传播时间变异性谱分析的预处理方法研究
7.Non-Time-step-parameter Time Finite Element Methods and Grid Methods for Numerical modeling of Elastic Wave Propagation in Dynamics;动力问题的非时间步参数时间有限元法及弹性波传播数值模拟的格子法
8.a delay line based on the time of propagation of sound waves.基于传播声波的时间的延滞线路。
9.a delay line based on the time of propagation of electromagnetic waves.基于传播电磁波时间的延滞电路。
10.Propagation Characteristics of Time-Reversed Electromagnetic Wave and Its Application时间反演电磁波的传播特性及其应用
11.He explained that gravity was not an instantaneous force as Newton assumed, but that it took time to travel.他解释，重力不像牛顿说的那样是瞬时传播的，它的传播需要时间。
12.On the Gain and Loss of Criminal Law about Dissemination of Venereal Diseases;传播性病罪法益研究——实然与应然之间
13.It was put forward that in recent market transmitting environment, the research and practice of symbol transmitting is in urgent need.提出在传播环境中,关于符号传播研究和时间的迫切性。
14.In a hundredth of a second, light travels 3,000 kilometers.在百分之一秒的时间里，光传播了3000千米。
15.Analysis of pulse transit time variability based on LZ complexity基于LZ复杂度的脉搏传播时间变异性分析
16.Numerical simulation study on inversion of two dimensional flow field using acoustic ray travel time基于声传播时间的二维流场反演数值仿真研究
17.The elastic modulus of a special alloy material are measured by the ultrasonic pulse-echo method, when the temperature is changed from -20℃~60℃.为实现超声声速的快速、精确测量应用数字相关法精确确定超声信号的传播时间。
18.A GA-based Method for Delay and Delay Variation Constrained Multicast Routing;时延及时延抖动受限组播路由遗传算法
相关短句/例句
time promulgate algorithm时间传播算法
3)propagation time传播时间
1.The affecting factor analysis ofpropagation 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 wavepropagation 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 ofpropagation 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。
4)travel time传播时间
1.Sound speed profile in ocean inverted by usingtravel time;由传播时间反演海水中的声速剖面
2.The measurement technology of the ultrasonictravel 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 thetravel 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。
5)method of time difference of direct transmission直接传播时间差法
6)propagation delay time传播延时间
延伸阅读
传播①散布开去：传播技艺｜借助现代化通讯设备，信息得以及时地广泛地传播。②人与人或群体之间借助于语言和非语言符号，直接或间接地传递信息、情报、意见、感情等的过程。是与人类同时产生的社会现象。随着社会生产力的发展和科技的进步，出现了多种多样的传播工具和方式。
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