It is found that doppler-shift can influence the resonant position and Dopper-shift is more obvious if Rabi frequency is larger.
结果表明，多普勒频移对共振位置有精细的影响，并且拉比频率越大多普勒频移更加明显。
Design test case, using the channel simulator simulated doppler-shift under high speed environment, by establishment different value of doppler-shift, tests the package lose rate of GPRS;
设计测试案例，利用信道模拟机模拟高速环境下的多普勒频移，设置不同多普勒频移值，测试GPRS丢包率。
And so you get all this useful information in astronomy by making the Doppler shift measurements of binary systems.
你们可以得到所有，天文学中的有用信息，只要对双星系统进行，多普勒顿移。
If you have a binary system whereby both stars are visible so you get the spectrum of both stars, then you see the Doppler shift of both stars in the spectrum.
若存在一个双星系统，两颗恒星均看不见，你能得到双星的光谱，然后在光谱中看到，双星的多普勒顿移。
All this comes out of Doppler shift measurements: the velocities, the radii, the periods and even the masses of these objects.
顿移测量法得到，速度，半径：，周期，以及，这些物体的质量，如果作为观察者。
So now we have a situation that I just described earlier that you have the Doppler shift of both objects, and remember, I told you that you also get the masses.
正如我早先形容过的，我们知道二者的，多普勒顿移，记住，你们也知道，物质的质量，得到供体星和。
So by timing the pulses of the x-rays, you can get a handle on the Doppler shift of the neutron star.
你可以运用，中子星的,多普勒顿移，这意味着你可以得到。
This paper has discussed the way of probing Doppler shift signal based on crossed phase detecting method in detail and introduced each function circuits briefly.
本文详细的论述了依据正交相位检测法提取多普勒频移信号的方法，并对各部分实现电路作一简要的介绍。
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。
In the satellite navigation and positioning system, Doppler shift is one of the key problems that may degrade the performance of the satellite receiver.
在卫星导航定位系统中，多普勒频率偏移是影响接收机性能的关键因素之一。
LEO satellite communication system has the properties of larger power dynamic range, larger and faster changed doppler frequency shift and rapid fluctuation compared to ordinary communication system.
相对于一般的通信系统而言，低轨卫星通信系统具有信号动态范围大，多普勒频移大且变化速度快，信道起伏剧烈等特点。
As Doppler shift signal can significantly reflect the speed of flow, the abstracting of Doppler shift signal is the key of blood flow speed testing in a ultrasonic blood flow detector.
超声血流仪实现其测量血流速度的关键是多普勒频移信号的提取，多普勒频移信号是血流速度的真实反映。
But both of them are sensitive to carrier frequency shift, further, they have comparative BER under AWGN and Doppler shift environment.
但两者都对载波频率偏移敏感，且在AWGN和多普勒频移环境下表现相当。
By calculating the Doppler shift and its uncertainty in the signal covering area, the relation between Doppler shift and the position of the receiver is obtained.
通过对地面卫星信号覆盖区内的多普勒频率偏移及不确定性范围的计算，给出了卫星导航系统信号的多普勒频率偏移与接收机位置之间的关系。
A general formula of relativistic Doppler shift is obtained from Lorentz transformation, and the supersonic motion is discussed as well.
利用洛伦兹变换导出了相对论性的多普勒颇移的普遍公式，并且讨论了波源的超音速运动情况。
The channel of LEO satellite is different from wireless channels on the ground. Low SNR and large Doppler shift are the two characteristic of LEO satellite channel.
低轨卫星的信道与地面无线信道具有不同的特点，低信噪比与大多普勒频移是低轨卫星信道的两个显著特征。
In this paper, with Rayleigh fading the random characteristics of multipath time delay and Doppler shift in HF ionospheric channels is discussed.
本文在瑞利衰落模型下，研究了高频电离层信道中多径时延与多普勒频移的随机特性。
Authorized bandwidth The necessary bandwidth required for transmission and reception of intelligence. This definition does not include allowance for transmitter drift or Doppler shift.
授权带宽智能传输和接收所需的带宽。该定义不包括允许发射机漂移或多普勒漂移。
We report the Doppler shift of Na spectroscopy changing with the slow wave factor in a slow wave microwave field the reason of the phenomenon is discussed.
报道了在慢波场中原子波谱多普勒频移随微波慢波系数的变化，并讨论产生这种现象的原因。
Doppler shift is unavoidable in underwater acoustic communications because of relative moving between the transmitter and the receiver.
在水声通信中，由于发射和接收平台之间的相对运动，多普勒频移是无法避免的。
A biological recognition method by feature detection of human body on the move was presented, and the mathematical model of Doppler shift was established.
根据生物的生命体行为特征，提出一种新的生物识别方法，并建立了多普勒频移数学模型。
High dynamic environment may cause a large Doppler shift, thus the general GPS receiver is difficult to work reliably without outside assistance.
高动态环境会造成较大的多普勒频移，这使得一般的GPS接收机在没有外界辅助的情况下难以可靠工作。
The measurements of HF Doppler shift in the ionosphere have long been a powerful tool in monitoring the ionospheric disturbances due to its features of continuity in time and simplicity.
由于地面电离层多普勒频率偏移测量具有时间连续、设备相对简便等固有特征，它特别适合于扰动监测。
When there is faint Doppler echo in noise, the system output is intermittent chaotic, and the Doppler shift can be obtained accurately by calculating the interval of chaotic state.
当噪声中含有微弱的多普勒回波时，通过理论分析可知系统输出为阵发混沌状态，且可根据混沌状态的间隔周期较准确地求出回波信号的多普勒频移。
Then a new method of computing Doppler shift is presented, in which the variation of link length is regarded as the relative velocity between satellite and earth station.
随后给出了一种以链路距离变化率作为相对速度来计算多普勒频移的新方法。
Compared with normal mobile communications environment, the most prominent problem of high mobility environment is the impact of Doppler shift on communication.
与普通的移动通信环境相比，高速移动环境最突出的问题是多普勒频移对通信产生的影响。
There is provided a Doppler type ultrasonic flowmeter (1) for measuring a flow rate of a fluid (10) by using an ultrasonic Doppler shift.
提供了一种通过利用超声波多普勒频移来测量流体(10)的流速的多普勒型超声波流量计(1)。
The formulas of Doppler shift due to the reflected signal and that travelling through the ionosphere are thus derived.
在此基础上得到电离层反射信号的多普勒频移公式以及穿过电离层的信号的多普勒频移公式。
The formulas of Doppler shift due to the reflected signal and that travelling through the ionosphere are thus derived.
在此基础上得到电离层反射信号的多普勒频移公式以及穿过电离层的信号的多普勒频移公式。
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