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- 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 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。
- 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。
- 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。
- 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。
- 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 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。
- The temperature compensation principle of refractive ultrasonic Doppler liquid flow measurement is discussed,thereby a measurement model is derived and an instrument developed on the basis of analysing and calculating the Doppler velocity data. 本文叙述折射式超声多普勒测速方法的温度补偿原理,导出测速模型,并对多普勒速度信息进行分析计算,研制了仪器。
- pulse ultrasonic Doppler blood-flow detector 脉冲超声多普勒血流计
- Ultrasonic Doppler foetal hearbeat detector 超声多普勒胎儿心率仪
- ultrasonic Doppler method diagnostic equipment 超声多普勒诊断仪
- ultrasonic Doppler blood flow meter 超声多普勒血液流量计
- Ultrasonic Doppler Aussculation of the Heart 心脏听诊的Doppler技术
- The doctors gave him an ultrasonic brain scan. 医生给他做了脑部超声波扫描检查。
