Results Gray scale and Doppler signal of abdominal aorta were significantly enhanced by contrast agent.
结果造影后腹主动脉灰阶及多普勒信号显著增强。

Application of Ultrasonography and Doppler Technique on Radiofrequency Thermal Ablation of Hepatic Cancer
超声显像及多普勒技术在肝癌射频治疗中的应用

Worthiness of Multicolor Doppler Ultrasound in Screening Urinary System Abnormality of Fetus
彩色超声对胎儿泌尿系统畸形筛查的临床价值

Diagnostic value of color Doppler power imaging for incompleted abortion.
彩色多普勒能量图对不全流产的诊断价值

Diagnostic value of color Doppler for intrauterine remainder after drug abortion.
彩色多普勒在药物流产后宫内残留物的诊断价值

Therapeutic effect of absolute alcohol treatment for hepatic and renal cyst under the guidance of color Doppler ultrasound
彩色多普勒超声导向硬化剂治疗肝肾囊肿的疗效

Change of rotating frequency is accompanied by the emergence of Doppler effect.
旋转频率的变化将伴随着多普勒效应的出现。

The difference of Dopplor effect between Optics and acoustic is discussed.
讨论了声和光现象多普勒效应的差别。

Comparing Research on Stationary Discharge Measurement with Acoustic Doppler Profiler ADP
应用声学多普勒流速仪进行冰期流量测验的比测研究

Application of Doppler acoustic flow measuring device to tidal reach in plain area
声学多普勒测流仪在平原感潮河段测验中的稳定性验证

Ray Doppler approximation on the stationary phase point of normal mode model about acoustic field generated by moving point source
运动声源简正波模型稳相点的射线多普勒近似算法

ANALYSIS OF DOPPLER FREQUENCY DRIFT FOR MEASUREMENT OF FISHERIES UNDERWATER ACOUSTICS
对渔业水声测量中多普勒频移的分析

The automatic data acquisition and processing for positron annihilation lifetime spectra and Doppler broadening spectra
正电子湮没寿命谱和多普勒展宽谱的自动获取和处理技术

Color Doppler Sonography in Evaluation of Acute Scrotum
彩色多普勒超声在阴囊急症中的应用

Evaluation of acute icp increasing inrabbits by transcranial doppler
经颅多普勒超声对兔急性颅内压升高的评价

A primary program for the Combined Adjustment of Astro geodetic and Doppler satellite Nets in China
我国天文大地网与卫星多普勒网联合平差的初步方案

Color Doppler ultrasound of normal adult epididymis
正常成年人附睾的彩色多普勒超声表现及其检测方法研究

Correlation Between Detecting Placental Circulation with Color Doppler and Perinatal Adverse Outcomes
彩色多普勒监测胎盘循环与围产儿不良结局的关系

The Bistability of the Multimode Ring Laser and It Is Affected by Doppler Broaden
环型激光器的多模双稳性及多普勒展宽对它的影响

This paper presents a system simulation method of pulse Doppler radar altimeters with frequency agility.
本文提出了雷达高度计的一种系统模拟方法。

Simulation of Wake Vortex Detection with Airborne Doppler Lidar.
用机载多普勒激光雷达探测尾旋的模拟。

Turbulence measurements in marine stratocumulus with airborne Doppler radar
海上层积云机载多普勒雷达湍流的测量

Airflow and Precipitation Fields within Deep Alpine Valleys Observed by Airborne Doppler Radar
雷达观测的阿尔卑斯山深谷的流场和降水场

An Automatic Dialing Alarm System Design Based on the Doppler Effect
基于多普勒效应的自动拨号防盗报警系统

A Passive Location Algorithm Based on Differential Evolution and Genetic Algorithm Using the Doppler Frequency
基于差分进化与遗传算法的多普勒外辐射源定位算法研究