查询词典 Doppler shift

As for the characters of the Doppler Radar radial velocity data, the single variable background error covariance is used. And the anisotropic covariance function is adopted in the horizontal plane.

其根据多普勒雷达径向速度资料的特点，水平方向采用非各向同性的单变量背景场误差协方差函数。

Abstract］ Objective To study inspection migraine in cranial blood vessel by Doppler.

摘要］ 目的探讨经颅多普勒超声技术检测偏头痛在颅内血管监测中的应用价值。

A novel method that can identify moving status of birds accurately was proposed. The method can search the cross correlation coefficient of two neighboring high- resolution range profiles with advance-retreat method in spectrogram, based on the principal of generating micro-Doppler effects with the frequency-stepped chirp radar and characteristics of birds.

基于线性调频步进体制雷达微多普勒效应的产生原理，在距离一慢时间谱图上，针对鸟类目标特性，通过对精高分辨距离像进行分析，提出了一种利用进退法搜索相邻精高分辨距离像的互相关系数的方法来判别鸟类目标运动状态。

Objective To study the cilinical use of colored Doppler ultrasound in the diagnosis of cryptorchidism.

目的 利用彩色多普勒超声诊断隐睾，探讨其诊断的临床价值。

Color Doppler Ultrasound can provide detailed anatomical positioning for cryptorchidism and provide valuable information for clinical treatment.

结论彩色多普勒超声能够对隐睾进行详细的解剖定位，为临床选择治疗方案提供极有价值的信息。

Global position system can revise the cumulative error of dead reckoning navigation system,such as strapdown inertial navigation system and Doppler navigation ,with its ability of accurate navigation and positioning when it is applied to the navigation system of autonomous underwater vehicle.

全球卫星定位系统应用于远程自主水下航行器导航系统中，可利用其精密导航和定位能力对航位推算导航系统如惯导和多普勒导航的累积误差进行精密校正。

In the simulation, the flow rule of melt metal in mold of horizontal continuous casting with electromagnetic stirring is measured using ultrasonic Doppler velometer, and the result is inter confirmed with the solidification characteristics is tics of zinc cupronickel thin slab in industrial product, some advantageous results are obtained that, when the current is 400 A the inner micro-pores disappear, when the current is 500 A the center equiaxed crystal layers occur and when the current is to 800 A the inner-segregation decreases to zero.

在模拟实验中，用超声波多普勒测速仪测量该电磁搅拌下水平连铸结晶器内金属液的流动规律，并与生产实验中锌白铜板带的凝固特征相互印证，发现搅拌电流达到400 A时，板带内部气孔消失，电流达到500 A时板带出现等轴晶带，电流达到800 A时板带坯偏析率趋于零。

We accordingly propose to take the marginal decay curve as a criterion to check if an observed pulse could be taken as a candidate suffered from the Doppler effect.

第二个工作是，基于Qin模型我们研究了Kocevski et al。(2003)统计发现的γ暴FRED脉冲的上升宽度与全宽存在的线性关系。理论分析表明，纯粹多普勒效应就可以产生这种线性关系。

Objective:To assess the feasibility and accuracy of electrical depolarization in patients with bundle branch blockby Doppler tissue imaging.

目的：拟在探讨DTI技术评价束支传导阻滞患者的心室肌电除极状态的准确性。

The left ventricular internal dimension at end diastole, interventricular septal thickness at end diastole and left ventricular posterior wall thickness at end diastole were measured in the parastemal long axis view by transthoracic two-dimensional echocardiography, and to calculate left ventricular ejection fraction with Teichholtz formula and left ventricular mass with modified Devereux formula, left ventricular mass index=LVM/body surface area. From the apical four chamber and two chamber view, the basical segment and middle segment of interventricular septal, left ventricular lateral wall, anterior wall and inferior wall were obtained by tissue Doppler imaging, Regional left ventricular relaxation asynchrony index was calculated.

应用二维超声心动图在胸骨旁左心室长轴观测量左心室舒张末期内径、室间隔和左心室后壁舒张末期厚度，采用Teichholtz公式计算左心室射血分数，采用Devereux校正公式计算左心室心肌质量，左心室心肌质量指数=左心室心肌质量/体表面积；在心尖四腔心和心尖两腔心切面，应用组织多普勒成像获取室间隔、左心室侧壁、前壁和下壁的基底段和中间段8个心肌节段沿左心室长轴运动的速度频谱，测算左心室局部心肌松弛不同步性指数(regional left ventricular relaxation asynchrony index， AI)；在心尖四腔心切面，应用彩色M型多普勒超声心动图测量左心室舒张早期血流传播速度。

The father that if work,mad father, love annoys, disposition is too indrawn the be short ofing that the father of Mu Ne, resign oneself to adversity causes father easily to love is broken; Communicate time effectively between father and son, Mu Zizhi to be less than a hour on average to wait a moment every week, it is the cause that causes the child to become addiction.

如工作狂的父亲、爱愤怒的父亲、性格过于内向木讷、逆来顺受的父亲都易造成父爱的缺失；父子、母子之间的有效沟通时间每周平均小于一小时等等，都是造成孩子成瘾的原因。

These are vandal proof and they come with a locking mechanism.

这是野蛮的证据，他们来到了锁机制。