Suddenly they do the Doppler effect where they turn their backs to you, in a way, and they're marching away from you and you hear very little sound.
突然，他们也产生了多普勒效应，当他们转身背对你时，当他们背离你前进时，你会听到一种很微弱的声音。
Wind farm turbines create a Doppler effect as they rotate, creating a potential radar blackout zone.
风力涡轮机在旋转过程中产生多普勒效应，形成一个潜在的雷达中断区。
If you stay where you are and you don't move and I move these tuning forks, you will hear a different frequency and that's what we call Doppler effect.
如果我站在这里，你们不移动，我移动这些音叉，那么你们会听到不同，频率，这就是我们，所说的多普勒效应。
And when it is here again-- when the angle between f And so this phenomenon is called the Doppler effect.
当它再一次到这里-,当速度和你们之间的,撇又等于f，then，f，prime，equals，f，again。,这个现象被称为,多普勒效应。
It is caused by the Doppler effect (something similar happens when a police car or fire engine with its siren blaring drives past you, and the pitch of the sound suddenly drops).
这是由多普勒效应(类似一辆警车或消防车鸣着警笛从你身边经过，之后音高突然下降)引起的。
Objective to demonstrate the effect of low dose lidocaine infusing into chocolate cyst of ovary on color Doppler ultrasound guidance.
目的论证多次小剂量利多卡因在彩超引导下注入无水乙醇治疗卵巢巧克力囊肿中的作用。
A similar effect, called the Doppler shift, causes the siren of an approaching ambulance to apparently change pitch as it passes you.
它是一种类似的多普勒频移的效应，就像救护车在你面前驶过时，会促使逐渐靠近你的警报器明显地改变其音调那样。
I'm going as the Doppler effect.
我准备扮演多普勒效应。
The results show that the formula for the transverse Doppler effect is incorrect in many texts and literatures.
结果表明常见教科书和文献中关于横向多普勒效应的定义和计算公式是不正确的。
Theory of Stark effect modulation with Doppler broadening is analyzed by the semiclassical theory.
用半经典理论分析了含多勒普加宽的斯塔克效应调制。
For each of these templates the data are corrected for the full Doppler effect of the corresponding orbit.
然后将数据按照每一个模板对应的轨道进行全多普勒效应的修正。
The Doppler effect is widely used in astronomy for measuring the velocity at which distant stars or nebulae are approaching or receding.
多普勒效应在天文学上广泛应用于测量距离遥远的恒星或星云靠近我们或离开我们速度。
AIM: To investigate the relationship between carotid atherosclerosis plaque and cerebral infarction and study the effect of carotid Doppler ultrasonography on risk assessment of cerebral infarction.
目的：探讨颈动脉粥样硬化斑块与脑梗死的关系，了解颈动脉多普勒超声在脑梗死危险预测中的作用。
A new type of rotation body profile measuring system utilizing laser Doppler effect was proposed.
提出一种基于激光多普勒效应的回转体表面轮廓测量系统。
The negative Doppler effect will limits the power to an acceptable level during the time delay for protective action.
多普勒负反应性反馈效应能在保护动作延迟的时间内将功率限制在可接受的水平。
This article put a stress on the principle of Doppler effect and its application to astronomy, radar, transportation, medical treatment, etc.
本文重点讨论了多普勒效应的原理以及它在天文学、雷达、交通、医疗等方面的应用。
This paper, on the viewpoint of Lorentz transformation of wavelength of lightwave, derives the frequency equation of Doppler effect of light with tow methods.
本文从光波波长的洛仑兹变换出发用两种方法导出了光的多普勒效应的频率公式。
In the displacement measurement system of scattering surface laser Doppler effect, the measuring accuracy is affected by the weakly Doppler signal that may be lost or discontinuous.
利用激光多普勒效应实现固体面内位移测量时，由于散射光的多普勒信号十分微弱，有时还出现淹没或不连续，影响位移测量精度。
The influences of Doppler effect on radio fuze performance in different cases of missile-target encounter and velocity compensation were analyzed.
探讨了不同弹目交会情况下多普勒效应对无线电引信性能的影响及速度补偿问题。
A new testing method is introduced in the paper, the speed and displacement single grating measuring system has been realized by using Doppler effect of grating moving.
本文介绍一种新的测试方法，利用光栅运动的多普勒效应，实现速度或位移测量的单光栅测量系统。
Pulse Doppler radar is a new type of radar which uses the Doppler effect due to the relative movement between the object and the radar to measure the velocity of the object.
脉冲多普勒雷达是利用目标与雷达之间相对运动产生的多普勒效应实现测速功能的一种新型雷达。
Doppler effect can be demonstrated by manufactured device when the sound source is in circular motion. The frequency spectrum is gained with chart spectrum analysis software.
利用自制装置演示了声源作圆周运动的多普勒效应，并应用图谱分析软件得到频率分布图。
One of the main methods of fetal monitoring is monitoring the fetal heart rate (FHR), and the method based on Ultrasonic Doppler effect is a effective method without wound to detect the FHR.
监听胎儿心率是胎儿监护的主要方法之一，基于超声多普勒效应的胎心率检测法是一种有效的无创方法。
The theory of speckle interferometry is applied to study the measurement of the in-plane displacement of solid surface by laser Doppler effect.
本文采用散斑干涉理论研究固体表面面内位移测量的激光多普勒效应方法。
We accordingly propose to take the marginal decay curve (whose function is simple) as a criterion to check if an observed pulse could be taken as a candidate suffered from the Doppler effect.
于是我们提出把极限衰减曲线作为检验观测脉冲是否是多普勒效应作用下的结果的一个标准。
There are different formulae for Doppler effect using different frames of reference in literatures.
由于所用参考系不同，因而各种文献给出了不同形式的多普勒效应表达式。
This paper discusses a new method for measuring displacement using grating Doppler effect.
本文研究了一种利用光栅衍射的多普勒效应进行位移测量的新方法。
Doppler radio Direction Finder is a technology that measures the Angle between radio transmitter and the radio using Doppler effect (Doppler principle).
多普勒无线电测向技术即为利用多普勒效应测定无线电发射设备与接收设备之间夹角的一种技术。
Doppler radio Direction Finder is a technology that measures the Angle between radio transmitter and the radio using Doppler effect (Doppler principle).
多普勒无线电测向技术即为利用多普勒效应测定无线电发射设备与接收设备之间夹角的一种技术。
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