查询词典 Doppler shift

A method to measure the absolute velocity is developed in a spectral domain ODT system,where Doppler angle is determined by combined information on the measured Doppler shift and Doppler bandwidth,and then the flow velocity is determined from Doppler angle and Doppler shift.

发展了基于谱域ODT技术的绝对速度测量方法，该方法综合运用多普勒频移和多普勒展宽信息实现多普勒夹角的确定，进而实现流体绝对速度的测量。

Today, we call it the Doppler Shift.

现在 我们将这称为多普勒频移

Furthermore, applying the Doppler shift method, one can find the mass of a star.

此外，应用多普勒频移的方法，可以发现恒星的质量。

This is found by observing the doppler shift in the frequency of the radio signals broadcast from the satellite.

这是通过观测卫星所发射的无线电信号频率中多普勒偏移来确定的。

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, a model is formulated for Doppler spectral shift of the coupling field, and the characteristic of the Doppler spectrum of the composite backscattering field is analyzed in detail.

另外，本文还推导出了耦合散射场多普勒谱频移的理论公式，详细分析了复合后向散射场的Doppler 频谱特性。

In this paper,the influence of the Doppler shift on the performance of the PN code acquisition circuit is analyzed,and the method of orthogonally relative elimination is proposed to eliminate the Doppler shift.

文章在分析多普勒频移对PN码捕获性能影响的基础上，采用基带正交对消法去消除多普勒频移，消除了多普勒频移对PN码捕获电路的影响，解决了低信噪比情况下在基带上消除多普勒频移的难题。

By calculating the Doppler shift and the Doppler bandwidth relative to the three phase retardations,three-dimensional vector velocity distribution of the solution inside the capillary is obtained.

对已知浓度的聚苯乙烯溶液进行了一系列不同角度和不同流速的实验，结果证明这种新型的ODT矢量测速方法可以较精确的实现三维矢量流速的测量。

But in the course of internationalization, they meet with misunderstanding and puzzlement.

许多企业已经意识到了这一点，但在国际化的进程中，仍存在一些误区与困惑。

Inorder toaccomplish this goal as quickly as possible, we'll beteamingup with anexperienced group of modelers, skinners, and animatorswhosenames willbe announced in the coming weeks.

为了尽快实现这个目标，我们在未来数周内将公布与一些有经验的模型、皮肤、动画制作小组合作。