查询词典 Doppler shift

It turns out that the Doppler Shift also applies to light.

原来多普勒频移也是用于光

This is the result of the Doppler shift, familiar to anybody who has heard the change of pitch of a train's whistle as it passes by.

这是多普勒效应的结果，正如大家熟悉的火车在经过时音高随之变化的汽笛声。

Moreover, the projectile X-rays have a Doppler shift and line broadening.The PX-AMS method is discussed in detail in this thesis.

文章对PX-AMS方法进行了详细的论述，建立了基于原子能科学研究院HI-13串列AMS系统的PX-AMS系统。

The frequency offset may be caused by many sources, Doppler shift or local oscillator error, for example.

这种频率偏移可能是由多个信源引起，例如多普勒频移或本机振荡器误差。

In this paper, started with the most elementary probability formula of Fisher matrix for time delay estimation, some properties of the Fisher matrix for time delay, Doppler shift and its hither derivatives joint estimation are exploited by use of Toeplitz matrix chracteristics in passive location systems.

本文从时延估计的Fisher矩阵的最基本概率表达式入手，利用Toerlitz矩阵性质，对无源定位中时延、多普勒及其更高阶导数联合估计的Fisher矩阵的性质进行分析。

The formula of the second order Doppler shift of simple cubic monatomic nanocrystalline particle is reduced by means of the Green's function.

应用格林函数理论，推导了简立方单原子纳米晶体颗粒的二次多普勒移动公式。

Considering the ionospheric refractive index in geomagnetic field, the radiowave polarization plane rotation has been calculated. For linear frequency modulation pulse signal, the expression of Doppler shift error due to ionospheric dispersion characteristics is derived.

本文还计算了考虑地磁场时电离层双折射指数特性引起的电波极化面旋转角，推导出对于线性调频脉冲信号电离层介质色散特性引起的合成孔径时间内多普勒频移误差的表达式。

First order sea echo, which contain the information of ocean surface current, is firstly separated from sea echo through prepossessing. MUSIC is then applied to extract the bearings of the signals at every Bragg shift.

该算法首先通过预处理从海洋回波中分离包含海流信息的一阶回波，然后针对其中可分辨的每一个Doppler频移上的信号，采用MUSIC算法求其多个存在方位。

The light emitted from a Keplerian ring around the objects with strong gravitational field should be affected by Doppler shift, gravitational redshift and deflection of light. The line profiles for a faraway observer are dominated by these effects. In this paper the precise solutions of line profiles for the Keplerian rings in the Schwarz-schild case have been obtained by means of the kinetic equation for photons.

对于一个围绕强引力场物体作开普勒运动的环状发光物，它所发射的光线要受多普勒频移，引力红移和光线偏折等效应的作用，这种作用决定了远处观察者所看到的谱线轮廓，本文利用光子输运方程方法，求出在Schwarzschild度规中的开普勒环所发射的谱线的轮廓的精确解。

Then echo from moving chaffs which carrier frequency is different with that of incident wave by Doppler shift are gotten.

然后用矩量法考虑云团中的互耦效应，用其计算结果对不同偶极子的回波幅度进行加权，得到了计及箔条运动的时域回波。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了