|
|||||||||||||||||||||||||||
|
超声doppler
ultrasonic doppler
Virtual-instrument based ultrasonic Doppler flowmeter for low velocities measurement 基于虚拟仪器的超声Doppler管道低流速测量 短句来源 Ddevelopment of a model SY-TI pulsed ultrasonic Doppler blood flow detector by using modulation method SY-TI型调制脉冲超声Doppler血流检测仪的研制 短句来源 A DIRECTIONAL ULTRASONIC DOPPLER 方向型超声Doppler血流检测 短句来源 A BI-DIRECTIONAL ULTRASONIC DOPPLER BLOOD FLOW MEASUREMENT WITH DIRECT SINGLE-SIDEBAND SEPARATION 单边带直接分离式双向超声Doppler血流测量 短句来源 The Way of Making Use of Ultrasonic Doppler to Measure Blood Velocity 超声Doppler测量血液流速的方法 短句来源 更多 ultrasound doppler
Objective To simulate the ultrasound Doppler flow imaging of mitral regurgitation. 目的模拟二尖瓣反流的超声Doppler成像。 短句来源 Wall effect of the non intrusive ultrasound Doppler velocimetry (UDV) measurements was investigated experimentally to modify the measurement error due to the wall effect in the Doppler angle and measurement location by a commercial ultrasound Doppler velocimetry. 为了校正商用超声 Doppler测速仪由于没有考虑壁效应而在 Doppler角度和测量位置的确定上引起的较大误差 ,对超声 Doppler测速仪 (UDV)在非接触式测量的壁效应进行了实验研究。 短句来源 “超声doppler”译为未确定词的双语例句
Research of instantaneous frequency for Doppler ultrasound flow signals 超声Doppler血流信号瞬时频率的研究 短句来源 Estimation of mean frequency of Doppler ultrasound signal and its experiment analysis 超声Doppler血流信号平均频率估计和实验分析 短句来源 COMPUTER SIMULATION OF MEAN FREQUENCY TIME-DOMAIN ESTIMATOR FOR DOPPLER ULTRASOUND FLOW SIGNAL 超声Doppler血流信号平均频率时域估计的计算机模拟 短句来源 A period recognition method for envelope of Doppler ultrasound sonogram with neural network 超声Doppler血流信号声谱包络周期的神经网络识别方法 短句来源 Digital maximum frequency estimators for Doppler ultrasound flow signals and their application value 超声Doppler血流信号最大频率估计的数字方法及意义 短句来源 更多 
查询“超声doppler”译词为用户自定义的双语例句
我想查看译文中含有：的双语例句 
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。 ultrasonic doppler
Approach of improving precision in ultrasonic Doppler bloodstream speed measurement by chaos-based frequency detecting
例句来源
The theoretical and experimental results obtained by Ultrasonic Doppler Technique show good agreement.
例句来源
Continuous and simultaneous measurement of cerebral vessels by ultrasonic Doppler is thought to be the only way to establish the detailed blood flow changes during smoking.
例句来源
An ultrasonic Doppler method was used to monitor flow velocities in basal cerebral arteries in 21 patients with spontaneous subarachnoid hemorhage (SAH).
例句来源
Ultrasonic Doppler method for velocity profile measurement in fluid dynamics and fluid engineering
例句来源 更多 ultrasound doppler
Ultrasound Doppler echography (USDE) of large peripheral blood vessels was performed in 110 patients with fractures in diaphyses of long tubular bones of the lower extremities.
例句来源
Before and after the PTCA the changing of velocity flow patterns under rest and stress conditions with a handgrip-maneuver were measured with a noninvasive transthoracic ultrasound Doppler system.
例句来源
While at the moment there is no atraumatic method for measuring cerebral blood flow in man, it is recommended to measure blood flow velocity with the ultrasound Doppler technic in the common carotid artery.
例句来源
A number of difficulties inherent in ultrasound Doppler blood flowmetry are discussed.
例句来源
The localisation of arteries or veins is facilitated by the use of an ultrasound Doppler unit.
例句来源 更多 
本文叙述作者在超声Doppler血流测量系统保真、噪声等方面的研究工作:从理论上分析了Doppler信号解调过程中产生的失真;Doppler系统的噪声来源。最后提出了改进Doppler系统信噪比的措施并给出了实验结果。 文摘来源 In this paper, correlation method of measuing mean frequency (meanveloeity) of ultrasonic Doppler blood flow signal has been proposed. Thedefect of the zero crossing can be overcome by using the method. It is anew realtime processing technique in the time-domain. 本文提出了一种易在微机上实现的测量超声Doppler血流信号平均频率(平均速度)的相关方法,这种方法克服了常规的过零检测法检具有的先天缺陷,是一种新型的时域实时处理技术。 文摘来源 Some methods of estimation for mean frequency of Doppler ultrasond signal, especially the method of time-domain estimation, are described in this paper. The estimation accuracy of these methods is compared by velocity experiments. It is demonstrated that time-domain estimation is a better realtime estimation for Doppler ultrasound signal. 本文简述了超声Doppler血流信号平均频率估计的几种方法,特别是时间域估计的方法。然后通过流速校刻装置的实验,比较了几种算法的估计精度,并指出时间域估计方法系统较易实现,当满足一定条件时,精度也比较高,因此是一种实时估计超声Doppler血流信号平均频率的较好方法。 文摘来源 << 更多相关文摘 
相关查询:
CNKI小工具
在Springer中查有关的英文论文
在知识搜索中查有关超声doppler的内容
在数字搜索中查有关超声doppler的内容
在概念知识元中查有关超声doppler的内容
在学术趋势中查有关超声doppler 的内容
CNKI主页
| 设CNKI翻译助手为主页 |
收藏CNKI翻译助手 | 广告服务
2008 CNKI－中国知网
京ICP证040431号
互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号：110 1081725
2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社