Doppler effect

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。

We derive in a much detail the formula of count rates, in terms of the integral of time, of gamma-ray bursts in the framework of fireballs, where the Doppler effect of the expanding fireball surface is the key factor to be concerned.

在火球模型下，我们详细地推导了Gamma射线暴计数率的公式，其中膨胀火球面的多普勒效应是考虑的主要因素。

A transducer for lateral remote displacement measurement based on grating laser Doppler effect is introduced.

介绍了一种光栅横向位移遥测传感器,被测位移和光束方向垂直.

In this paper, the influence of Doppler effect on GPS pseudo range measurement is described and the model of doppler correction for GPS pseudo range measurement is established.

论述了多普勒效应对GPS伪距测量的影响，建立了GPS伪距测量多普勒改正的模型。

The influence of the multi-path transmission and metal interference to the container RFID system were also analyzed. The theoretical basis to ignore the multi-path delay and Doppler Effect was given.

还分析了多径传播和金属干扰对集装箱RFID系统的影响，给出了可以忽略多经时延和多普勒效应的理论依据，提出了解决集装箱RFID系统中金属干扰问题的技术措施。

The paper uses VB programming technique to show the physical principle of Doppler Effect, so that the students can understand it well.

利用VB编程技巧，形象展示多普勒效应的物理机理，便于学生理解和掌握。

Doppler effect and vector summation scheme are the theoretical basis of profile measurement of ADCP.

多普勒效应和矢量合成是ADCP实现剖面测量的理论基础。

To measure temperature of gas discharge plasma with Doppler effect by using spectrum diagnosis.

讨论了用多普勒效应测量气体放电等离子体温度的光谱诊断方法.

Dynamic testing of MEMS based on laser doppler effect

基于激光多普勒效应的MEMS的运动检测

The Doppler Effect of Aviation Communication in OFDM System

基于正交频分复用（OFDM）的航空移动通信多普勒效应研究

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。

Based on Michelson interferometer, the laser Doppler effect experiment instrument is designed.

通过对迈克耳孙干涉仪动镜的改装和机械加工, 设计了激光多普勒效应实验装置.

The superposition property of elastic wave ′ s Doppler effect and the influence of relativistic time dilation and length contraction on elastic wave ′ s Doppler effect are also discussed.

讨论了弹性波多普勒效应的叠加性质，并指出相对论的时间膨胀和长度收缩对弹性波多普勒效应的影响。

We summarize the observational and theoretical results of Gamma-ray bursts ( GRBs), and present in detail the results of our three researches on the Doppler effect of fireballs on the light curves of GRBs based on Qin model.

本文综述了γ暴当前的观测特征和理论成果，详细介绍了本人在攻读博士学位期间基于Qin模型的多普勒效应对γ暴光变曲线脉冲的影响的三个研究工作。

Analyses and a Solution of the Doppler Effect in TDMA Satellite Communication System

TDMA卫星通信系统中多普勒效应的分析及解决

A New Fast-time Doppler Effect Compensation Method Applied to Step Frequency SAR System

步进频率SAR快时间多普勒效应补偿新方法

Simulating the Doppler Effect with MATLAB

利用MATLAB模拟多普勒效应

The relativistic Doppler effect for light waves is formulated exactly by 4-vector transformation.

利用四 维 波矢变换可以严格推导狭义相对论多普勒效应的计算公式.

In mobile communication system, a continuous channel estimation and tracing method is needed to implement the Viterbi algorithm of MLSE because of fading and Doppler effect.

在移动通信系统中，由于衰落和多普勒效应，为了实现基于Viterbi算法的极大似然序列估计（MLSE），需要不断跟踪信道参数变化。

OFDM as well as multi-channel-coding and multi-modulation is adopted by DRM. This combine with interleaving and error protection to decrease the effect of frequency selective fading, multi-path time delay and Doppler effect. Then the robustness of the signal transmitted is enhanced.

DRM采用OFDM调制方式和多级信道编码，使用交织、差错保护技术，大大地减轻了频率选择性衰落、多径时延以及多普勒效应的影响，提高了信号传输质量和稳定性。

The experiment research on laser micro-Doppler effect for detecting complex vibration of moving target is developed.

摘要建立了激光微多普勒效应探测系统,开展了激光微多普勒效应探测运动目标复合振动的实验研究.

Could GPS ever be used to measure effects besides the gravitational redshift and Doppler effect?

GPS除了用来量度重力红移与多普勒效应外,它还能测度其他效应 吗 ?

Explore the Doppler effect in a binary pulsar system by downloading the "Pulsating Science" 3D visualisation software.

您可以下载一款名为“Pulsating Science”的3维可视软件来探索脉冲双星系统中的多普勒效应。

Transcranial Doppler is a non-invasive cerebrovascular disease inspection methods which uses ultrasonic Doppler effect to detect the intracranial brain artery at the end of the main hemodynamic and blood physiological parameters.

经颅多普勒（Transcranial Doppler，TCD）是一种利用超声多普勒效应检测颅内脑底主要动脉的血流动力学及血流生理参数的无创伤性的脑血管疾病的检查方法。

Doppler effect on azimuth estimate of a moving target with IMP algorithm

多普勒效应对应用IMP算法估计目标方位的影响

This paper discusses the importance and value of all-fibre tunable laser in optical communication. CONTINUOUSLY TURNABLE LASER FROM INFRARED TO X-RAY REGION BY USING THE RELATIVISTIC DOPPLER EFFECT OF HIGH ENERGY ION BEAM IN NEGATIVE TEMPERATURE STATE

光纤调谐激光器在光通信领域中具有重要意义和应用前景。用负温度高能离子束的相对论多普勒效应实现从红外到X射线连续调谐激光器

This paper introduces the Doppler effect on OFDM system in mobile environment.

分析了在高速移动环境下存在的多普勒效应，指出了它对OFDM系统的影响。

Following, code tracking confirm the PN code phase precisely and track every multipath component's delay drifting due to Doppler effect.

同步跟踪则由多径跟踪的结果精确估计PN序列码相位，并实时跟踪信道各径成分由于多普勒效应产生的时延漂移。

At last, the paper discusses the principle and the process of disposal of using DirectSound technology to realize real time sound synthesization, playback and 3D sound effect, and realize 3D effect and Doppler Effect of the sound simulation.

探讨了利用DirectSound技术实现声音的混音、回放和3D效果的原理及处理过程，实现了机车声音仿真的3D音效和多普勒效应。

According to the Doppler effect, the multi-peak H_ α spectra is obtained, which are emitted by the neutral beam and separated from the unshifted H_ α.

根据多普勒效应，中性束中的氢粒子发出的Hα波长偏离本底的Hα波长，波长偏移量与氢粒子的能量相关，从而在光谱仪上得到多峰Hα谱线。