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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 .
- Design of differential laser Doppler signal process circuit 激光差动多普勒的信号处理电路设计
- Design and Analysis for Laser Doppler Signal Tracking-Differentiator 激光多普勒信号跟踪微分器的分析与设计
- Laser Doppler signal 多普勒信号
- The Multifunction Doppler Signal Simulator. 多功能的多普勒信号模拟器。
- Ultralow Speed Measurement by Laser Doppler Velocimetry[J]. 引用该论文 郭继华;徐正奇;殷纯永.
- Human Skin Microcirculation after Brachial Plexus Block Evaluated by Wavelet Transform of the Laser Doppler Flowmetry Signal. 通过激光多普勒血流计的小波传递信号评价臂丛阻滞后人类皮肤的微循环。
- 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 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。
- 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
- 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。
- Signal processing model is established, which is based on single pulse angle tracking system, mainly including AGC, Doppler signal detecting and angle tracking. 信号处理模型则根据单脉冲体制角度跟踪系统的处理模式建立,包括自动增益控制、多普勒信号检测和角跟踪处理等;
- 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。
- Now, no theories can explain perfectly the reason of Doppler signal generating in LDV for solid, so developing the LDV for solid is very important and have a big potential market. 因此,研制固体激光多普勒测速仪不仅意义重大,还有很好的市场前景。
- 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。