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- 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。
- Wiggling-type ultrasonic Doppler effect experiment instrument 摆动式声多普勒效应实验仪
- researching ultrasonic Doppler effect;ascertaining the threshold of audibility and resolving power. 超声的多普勒效应研究及闻阈和人耳音频分辨本领确定。
- ultrasonic Doppler effect 超声多普勒效应
- Of,relating to,or using the Doppler effect or Doppler radar. 都普勒，克里斯蒂安·约翰1803－1853奥地利物理学家和数学家，于1842年首次阐述都普勒效应的原理
- 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。
- Of, relating to, or using the Doppler effect or Doppler radar. 都普勒，克里斯蒂安·约翰1803－1853奥地利物理学家和数学家，于1842年首次阐述都普勒效应的原理
- 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 redshift caused by the expansion is often confused with the more familiar redshift generated by the Doppler effect. 膨胀所造成的红移，常会和我们比较熟悉的都卜勒效应所产生的红移搞混。
- 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。
- Moreover, since the atoms are in random thermal motion the frequency spectrum will be altered by the Doppler effect. 而且，由于原子是在作无规则热运动，多普勒效应也会使频谱发生改变。
- Based on Michelson interferometer,the laser Doppler effect experiment instrument is designed. 通过对迈克耳孙干涉仪动镜的改装和机械加工;设计了激光多普勒效应实验装置.
- To measurte temperature of gas discharge plasma with Doppler effect by using spectrum diagnosis. 讨论了用多普勒效应测量气体放电等离子体温度的光谱诊断方法。
- 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。
- Christian Doppler was a scientist and mathematician who explored and explained the phenomenon that has come to be called the Doppler Effect. 克里斯蒂安·多普勒(Christian Doppler)是一位科学家和数学家,他探索并解释了后来被称为多普勒效应的现象。
