查询词典 Doppler shift

Its characteristic is through impulse stimulation by using the grating width, diffraction series, laser wavelength, and the Doppler frequency shift to determine the shock velocity and the shock acceleration instantaneous value.

对差动式光栅激光干涉冲击校准装置的原理作了介绍，特点是使用冲击激励，通过光栅的栅距、衍射级数、激光波长及激光的多普勒频移来最终确定冲击速度和加速度的瞬时值。

Ship to receive satellite signals for ships and satellites to changes in the relative position of the frequency of changes, called the Doppler frequency shift can be used to determine the satellite position, while the ship's position is located in a satellite location for the focus of hyperboloid , taking into account pairs of curved intersection line with the Earth's surface, then the boat is located on the intersection of two curves.

航船上接收卫星讯号因船与卫星相对位置的变化而发生频率变化，叫做多普勒频移，可用于确定卫星位置，而船位位于以卫星位置为焦点的双曲面上，考虑到双曲面与地球表面的交线，则船位于两条曲线的交点上。

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。

Orthogonal detection can give us both the amplitude information for gray-scale imaging and phase shift information for doppler spectrum analysis.

正交检波方法既能给出灰度超声成像所需要的回波的幅值信息，也能给出多普勒超声成像所需要的回波的相移信息。

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。

This paper concerns relative technologies about carrier frequency synchronization and estimation in downlink signal in large Doppler frequency shift condition.

本文对大多普勒频移情况中，下行信号载波频率同步估计的相关技术进行了研究。

A new three-dimensional laser Doppler velocimeter (3D LDV) by only using frequency shift separation method has been developed.

研究一种采用频移分离方法的新型三维激光多普勒测速仪(3DLDV)。

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。

In this dissertation, a new method of atmospheric wind measurement using an incoherent lidar is presented. The method is to detect Doppler shift by the transmission outline of iodine absorption filter.

本文提出了利用非相干多普勒激光雷达测量大气风速的新方法，即利用原子滤波器透射率翼检测多普勒频移的方法。

Smoking cigarettes adds to the Computer Desk Computer manufacturer computer mouse Computer Computerized collar knitter machine Conduit Bodies construction board Container Bag Control Arm Cooking Thermometer general levels of air pollution as well as damaging our health.

吸烟不仅对健康有害，而且增加空气污染程度。香烟雾含有多种有害物质：不仅有致癌化学物质、有某种能阻止氧气进入血液的气体，还有引起血压增高、心速加快的被称为尼古丁的物质。

He is one of my favorite actors.

他是我最喜欢的男演员之一。