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Using two-dimensional signal vectors, the process of Doppler shift modulation and demodulation ...

文中从二维信号矢量的角度分析了多普勒频移调制和解调的过程，推导出提取速度信息的信号处理方法。

And after measuring the Doppler shift of scattered light, the winds speed can be calculated.

在本文中，分别介绍了基于CO_2激光器的相干测速和基于1.55μm光纤激光器的全光纤相干测风两种实验系统。

This method can obtain time delay, Doppler shift and polarization scattering matrix in one pulse duration.

该方法可以在单个脉冲周期内同时获取目标的距离信息、速度信息和极化信息。

In addition, for the Doppler frequency shift induced by the platform continuous motion, this paper also analyses its effect on imaging.

另外，对于平台连续运动引入的多普勒频移，该文也分析了其对成像造成的影响。

Those complicated Doppler shift s are where the angular resolution comes from.

有了这些复杂的多普勒偏移，就有了角分辨率的问题。

In certain wireless channel, the Doppler frequency shift will be caused by wireless channel output signal aliasing.

在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。

Interpretation of Doppler shift as an indication of motion.

作为运动指示，对多普勒频移的解释。

Doppler shift is used to get wind speed, wind direction is got by appropriate scanning technique.

它利用了激光光谱的多谱勒频移，来得到视线风速，通过不同方向的扫描获取风向。

Theoretical analysis was carried out to achieve the analytical expression for Doppler shift and amplitude of liquid surface wave.

对此进行了理论分析，得到了多普勒频移与液体表面波振幅之间的解析关系式，并利用贝塞尔函数分析了频谱分析图中解调出低频液体表面波频率的可行性，设计并实现了一套液体表面波多普勒相干检测的实验装置。

It almost always uses the doppler frequency shift for detecting moving targets or for measuring

也常常用多普勒频移测移动的目标或者是测量。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。