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- A small MEMS component vibration measuring system using heterodyne laser Doppler technology is proposed. The frequency bandwidth is properly determined by analyzing the frequency of Doppler signal. 提出了一种MEMS构件微小振动、位移测量系统 ;采用外差法激光多普勒技术 ;通过对信号的频谱分析 ;确定了信号处理单元的适宜频带宽度 .
- Laser Doppler technology 激光多普勒技术
- Ultralow Speed Measurement by Laser Doppler Velocimetry[J]. 引用该论文 郭继华;徐正奇;殷纯永.
- 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。
- The blood flow of cauda equina was measured with laser Doppler flowmeter. 应用激光多普勒血流仪检测马尾神经血流量。
- Cai Chenguang,Fan Shangchun.Test and analysis system of microvibration based on Polytec laser Doppler vibrometer[J].Measurement and Control Technology,2004,23 (4):5-7 (in Chinese). [5]蔡晨光;樊尚春.;基于Polytec激光测振仪的微振动测试分析系统[J]
- Medical ultrasound Doppler technology is an important branch of medical ultrasound, which is a important tool of non-destructive diagnosis of vascular diseases. 医疗超声多普勒技术是医学超声的一个重要的分支,它是无损诊断血管疾病的一种重要手段。
- Methods: Using laser Doppler flowmetry to measure thechange of cochlear blood flow on superior cervical ganglion. 方法:用激光多普勒测量颈上神经节切除前后耳蜗血流变化。
- 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.
- The Cram?r Rao Bound (CRB) for the frequency estimation from Laser Doppler Anemometer (LDA) measurements is derived. 本文推导了激光多普勒测速 (LDA)频率估计的Cram r Rao下限。
- Laser Doppler vibrometer (LDV) has a potential application prospect in remote sensing. 激光多普勒振动计在遥感探测方面具有潜在的应用前景。
- The principle of Laser Doppler Velocity (LDV) and the method of back scattering are presented. 介绍了激光多普勒测量技术的原理和后散射型固体表面测量方式。
- Conclusions: TVS is highly valuable in diagnosing septate uterus, color Doppler technology has a potential to predict likekihood of pregnancy failure in patients with sepate uterus. 结论:TVS对纵隔子宫具有较高的诊断价浪,彩色多普勒技术可提示纵隔子宫患者发生流产的可能性。
- 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。
- At the same time,laser Doppler perfusion imaging of dorsum pedis was significantly improved(P<0.01). 同时激光多普勒血流灌注量与踝肱指数存在直线正相关(P<0.;01)。
- Using the way of homodyne coherent detection, a fiber laser Doppler vibrometer is designed and completed. 采用零差的相干探测方式,设计并实现了一套光纤结构的激光多普勒振动计。
- The turbulence properties of annular space in a cyclone were investigated by using the Laser Doppler Velocimetry. 摘要采用激光多普勒测速系统测试了蜗壳式旋风分离器内的流场,分析了环形空间内的湍流特性。
- The flow field in the labyrinth channel is measured using a 2-D LDV(Laser Doppler Velocimeter). 利用二维激光多普勒测速仪(LDV)对模型的迷宫式流道进行了流场测量。
- Investigation on Two-dimensional Counting and Tracking Laser Doppler Anemometry[J]. 引用该论文 刘昌文;刘 杰;孙其超;王仕康.
- Method:CBF was measured in twenty-two guinea pigs by laser Doppler flowmetry(LDF). 方法:用激光多普勒血流计对22只正常及椎基底动脉供血障碍时豚鼠耳蜗血流测量。