您要查找的是不是：
- ultrasonic Doppler technique 超声多普勒技术
- Methods This paper retrospectively analyzes 23 cases of ultrasonic characteristics of Budd-Chiari Syndrome,operated with colorful ultrasonic Doppler diagnosis technique. 方法回顾性分析23例由彩色多普勒超声诊断的并经下腔静脉造影或手术证实的布加氏综合征患者的超声图像特征。
- Analysis of Wavelet Scalogram of Blood Flow Ultrasonic Doppler Signal. 小波尺度图分析法及其在超声血流多普勒信号中的应用。
- The myocardial blood flow (MBF) was determined by ultrasonic doppler. 超声多普勒方法测定心肌血流量；
- Title： Analysis of Wavelet Scalogram of Blood Flow Ultrasonic Doppler Signal. 关键词：小波变换；付里叶变换；多普勒信号；血流；频谱分析
- The principle of large-scale diameter measurement with laser Doppler technique(LDT) is presented in this paper. 介绍了激光多普勒技术用于大尺寸直径测量的原理，并据此设计了新型差动激光多普勒大尺寸直径测量系统。
- The average vein diameter of DDVI was greater than DVI by ultrasonic Doppler( P <0 01). DDVI组平均静脉管径显著大于DVI组 ;P <0 0 1;
- With the use of microcomputer with ultrasonic Doppler instrument 203 times of STI were automeasured. 应用微机自动测量STI超声多普勒仪对203人次进行测试。
- This paper introduces the principle and implementation of fetal monitor based on DSP and ultrasonic Doppler theory. 文中介绍基于DSP的超声多普勒胎儿监护仪的工作原理及实现方法。
- Abstract： The principle of large-scale diameter measurement with laser Doppler technique(LDT) is presented in this paper. 摘 要： 介绍了激光多普勒技术用于大尺寸直径测量的原理，并据此设计了新型差动激光多普勒大尺寸直径测量系统。
- The average vein diameter of DDVI was greater than DVI by ultrasonic doppler(P<0.01). DDVI组平均静脉管径显著大于DVI组，P<0．01；
- Color ultrasonic Doppler, CT and selective angiography are very important for the early diagnosis of the disease. 彩色超声、CT、选择性血管造影对该病早期诊断具有重要意义。
- B. Lehmann, H. Nobach and C., Tropea, , 2002 “Measurement of acceleration using the laser Doppler technique,” Measurement Science and Technology 13, pp. 1367-1381. 李直谕，2005，“双摄影机视觉系统应用于球高速飞行撞击试验之量测”，硕士论文，屏东科技大学，机械研究所，屏东。
- "So what we're doing right now with our observational technique, the Doppler technique, is taking really the very first steps to finding Earth-like planets. “所以我们现在使用观测技术，多普勒技术所做的只是寻找类地星球的第一步。
- This method has been successfully used in the CDL-82 Ultrasonic Doppler Velocimeter. The method can also be used to process other instant cycle signals with small change. 本方法已成功用于CDL-82型超声多普勒流速仪中,略加修改也可用于其它瞬时周期信号的处理。
- By use of 3-D ultrasonic doppler velocimeter,the turbulence characteristics of water flow in the spur dike head and backflow region are observed and analyzed systematically. 利用三维超声学多普勒流速仪对丁坝坝头附近水流和回流区水流的紊动特性进行了系统的观测和分析,得到了丁坝坝头和回流区的水流特性及紊动动能的分布规律。
- Aiming at the deficiency of existing Doppler effect demonstration instrument, the wiggling-type ultrasonic Doppler effect experiment instrument is designed. 摘要针对现有的声多普勒效应实验装置中存在的问题，设计并制作了摆动式声多普勒效应实验仪。
- The vascular wall shear rate measurement, unambiguous turbulence measurement and maximum blood flow velocity correction methods using transverse Doppler technique were represented, and in vitro and in vivo experiment results were reported. 本文提出了利用横向多普勒技术估计血管剪切率、进行无模糊湍流测量以及最大血流速度校正的新方法 ,设计了多通道横向多普勒系统 ,实验结果证实了横向多普勒技术在血流动力学领域应用的有效性。 本文从应用方面扩展了横向多普勒技术的研究领域。
- Objective To evaluate the artery anatomy and the blood circulation in forearm and hand of normal people with a allen test modified by color Doppler technique,which is a clinical material in coronary artery bypass surgery(CABG) and plastic surgery. 目的 应用彩色多普勒超声技术改良传统的艾伦试验 ,更客观地评估正常人前臂和手部血管解剖及血运模式 ,为冠状动脉搭桥或整形外科术前移植桡动脉做血管桥提供安全依据。
- The patients with DDVI exhibit special different characteristics from these with DVI. The ultrasonic Doppler examination is a valuable,safe and accurate method for diagnosis of DDVI. DDVI与一般DVI相比有特殊表现 ,多普勒超声检查能对其快速、安全、准确的诊断。
