消除噪音和速度模糊、进行水平风场的反演并检验是正确使用和充分利用多普勒雷达探测资料的前提。
The preconditions to make best use of the Doppler radar data includes the noise removing, velocity ambiguity distinguishing, horizontal wind field retrieving and exactness verifying.
利用多普勒雷达资料，采用一种改进后的交叉相关法(COTREC)建立了一种降水临近预报方法。
Using Doppler radar data, an algorithm for precipitation nowcast is set up by applying an improved cross-correlation extrapolation method (COTREC).
利用多普勒雷达体扫描资料对风暴进行实时地自动识别、跟踪、结构分析和临近预报。
A methodology is presented for the real time, automated identification, structure analysis, tracking and short range forecasting of storms with Doppler weather radar volume scan data.
本文的工作就是多普勒雷达资料在MM 5模式中的四维变分同化试验。
This paper does the experiments of Doppler radar's Four-dimensional Variational Assimilation in MM5 model.
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。
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.
利用机场实时的多普勒气象雷达和地面自动观测资料定量计算出风切变的大小，从而确定风切变和飞机颠簸的强度等级。
The real-time wind data from local terminal Doppler radar and auto weather observation stations were calculated to obtain the degree of wind shear and turbulence.
目的通过对胸廓内动脉的解剖学观测及与彩色多普勒超声的对照研究，旨在为心冠状动脉桥接术和影像解剖学提供依据和解剖学资料。
Objective: The data obtained by utilizing color Doppler ultrasonography and anatomic observation of internal thoracic artery is provided for coronary artery bypass grafting.
目的：分别对正常人和脑梗死患者颈动脉血流超声多普勒时频分析，为临床应用提供参考资料。
Objective: To analyze time frequence of carotid flow Doppler signal of normal and cerebral infarction cases, providing reference for clinical applications.
近几十年，多普勒雷达资料，在强对流天气监测及预报中广泛应用。
During the past few decades, observations from Doppler radars are widely used in diagnostic studies of convective systems, severe weather detection, and short-term forecasting.
材料与方法：对36例移植肾进行82次彩色多普勒超声检查，将结果与临床资料相对照。
Materials and Methods: 36 patients with renal transplant were examined 82 times by CDFI and contrast with clinic data.
该资料是用双多普勒天气雷达同步立体扫描数据，通过MUSCAT技术，反演出风场。
The wind field retrieval data are obtained by plied MUSCAT technique to transact the rude radial velocity data which were observed by dual-Doppler radar volume scans.
借助时间分辨率为6分钟的新一代多普勒雷达回波、卫星资料和常规观测资料对“黄蜂”在登陆过程中路径变化的情况进行了分析。
Track variation of severe tropical storm "Vongfong" is analysed by using radar images of 6 min interval, satellite and conventional data during landing.
利用多普勒雷达资料对烟台市一次初春暴雪天气的多普勒速度和风场结构特征进行了分析。
The paper analyses the evolution of Doppler velocity and the structure of the wind field during a infrequent snowstorm of earlier spring taken place in Yantai by using Doppler radial products.
方法回顾我中心107例原位肝移植术后应用彩色多普勒超声资料，汇总后行统计学分析。
Methods the color doppler ultrasound data of 107 cases of liver transplantation after operation in our center were retrospectively reviewed, then gathering the data and statistical analysis were made.
文中给了一种由单多普勒雷达资料反演风矢量场的变分方法，并由此形成预报初始场。
A variational method for retrieving wind vector from single-Doppler wind measurements is developed and the initial forecast fields are created from the retrieved winds.
研究了双多基地多普勒雷达资料的配对方法、风场反演的区域和精度，并研制了基于三维变分方法的双多基地多普勒雷达系统的风场反演系统。
The data processing and variational algorithm for 3-D wind field retrieval by bistatic Doppler radar network are developed and bias of retrieved wind is analyzed.
研究了双多基地多普勒雷达资料的配对方法、风场反演的区域和精度，并研制了基于三维变分方法的双多基地多普勒雷达系统的风场反演系统。
The data processing and variational algorithm for 3-D wind field retrieval by bistatic Doppler radar network are developed and bias of retrieved wind is analyzed.
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