许多外科在使用VTI术中多普勒系统。
Many surgical specialties are served by VTI Intraoperative Doppler Systems.
应用几何光学近似理论模型计算了激光相位多普勒系统中微粒的光散射特性。
The light scattering characteristics of particles in phase Doppler sizing anemometry is calculated with a theoretical model based on geometrical optics approach.
目的设计一套数字化脉冲波超声多普勒系统，以实现多深度血流频谱分析和显示。
Objective To design a digital multigated PW ultrasound Doppler system and validate the system in experimental study.
建立了用来检测微机电系统谐振器面内运动的激光差动多普勒系统，测量了谐振器的振动速度。
A differential laser Doppler system is built to measure the in-plane movement of micro-electro-mechanical systems (MEMS), and the vibration of a MEMS resonator has been measured.
医学超声多普勒系统的高通滤波器在消除血管壁搏动带来的回波干扰时，也滤除了低速血流信息。
In medical Doppler ultrasound systems, a high-pass filter is usually employed to remove wall clutter components which may also remove the information of the low velocity blood flow.
方法应用超声多普勒系统测量18例经自体LAK细胞回输治疗的慢乙肝患者治疗前后门静脉血流动力学参数。
Methods The changes of portal hemodynamics were measured by using ultrasonic Doppler system in 18 patients with CHB before and after treatment with self LAK cell infusion.
你们可以得到所有，天文学中的有用信息，只要对双星系统进行，多普勒顿移。
And so you get all this useful information in astronomy by making the Doppler shift measurements of binary systems.
若存在一个双星系统，两颗恒星均看不见，你能得到双星的光谱，然后在光谱中看到，双星的多普勒顿移。
If you have a binary system whereby both stars are visible so you get the spectrum of both stars, then you see the Doppler shift of both stars in the spectrum.
在某相位编码毫米波雷达系统中，要求很高的目标速度测量精度，因而目标多普勒频率测量电路的设计比较重要。
The design of target doppler frequency measurement circuit is very important in phase coded MMW radar system because of the high measurement precision requirement of target speed.
激光多普勒图象诊断系统(LDPI)是上世纪末医学诊断仪器的最新成果之一。
Laser Doppler Perfusion Imager system (LDPI) is a uptodate medical diagnoses production at the end of last century.
在某相位编码毫米波雷达系统中，由于对目标速度测量精度的要求很高，因此目标多普勒频率测量电路的设计也具有比较重要的地位。
The design of target Doppler frequency measurement circuit is very important in phase-coded MMW radar system because of the high measurement precision requirement of target speed.
在卫星导航定位系统中，多普勒频率偏移是影响接收机性能的关键因素之一。
In the satellite navigation and positioning system, Doppler shift is one of the key problems that may degrade the performance of the satellite receiver.
相对于一般的通信系统而言，低轨卫星通信系统具有信号动态范围大，多普勒频移大且变化速度快，信道起伏剧烈等特点。
LEO satellite communication system has the properties of larger power dynamic range, larger and faster changed doppler frequency shift and rapid fluctuation compared to ordinary communication system.
提出一种基于激光多普勒效应的回转体表面轮廓测量系统。
A new type of rotation body profile measuring system utilizing laser Doppler effect was proposed.
结论视网膜中动脉可能与肾脏、脾脏的血流动力学变化有关，同样与组织学、门脉高压多普勒参数和血管收缩系统的活性有关。
Conclusion CRA seems to be relate to the renal and splenic hemodynamics, also relate to the histology, the Doppler parameters of portal hypertension and the activity of vasoconstrictor systems.
首先，本文概述了一些典型流场、天气系统的PPI多普勒径向速度模式。
First, the characteristics of Doppler velocity PPI for some typical streamline field and synoptic system were summarized.
采用多普勒激光振动测量系统，获得了热超声倒装键合过程中工具末端及芯片的振动速度曲线。
With the Doppler laser vibration measurement system, the vibration velocity curves of the flip chip and tool tip were obtained during thermo-sonic flip chip bonding.
雷达系统中，相位编码信号对多普勒频率非常敏感。
In the system of radar, Doppler frequency is very sensitive to the coding signal.
同时，此误差校正方法同样适合高精度激光多普勒扫描测量系统。
And the revising methods were also adapted to precise laser Doppler scanning measurement system.
目的评价多普勒超声音频处理系统（DASPS）自动定量估测肺血管阻力（PVR ）的准确性。
Objective To assess the accuracy of Doppler audio-signal processing system(DASPS) in noninvasive automatic estimation of pulmonary vascular resistance (PVR).
提出一种适应于在加性高斯白噪声信道(AWGN)下遥测系统的多普勒频偏盲估计算法。
The blind estimation algorithm of Doppler frequency suitable for telemetry systems involving additional white Gaussian noise (AWGN) channels is proposed in this paper.
本文介绍了一种成功应用于某自主外测系统的多普勒模拟器的设计与实现。
The article introduces the design of a kind of doppler simulator, which has successfully been used in a observe and control system.
本文建立了脉冲多普勒雷达导引头仿真系统，利用该仿真系统评估了分别在压制式干扰和欺骗式干扰条件下导引头的抗干扰能力。
A pulse Doppler radar seeker simulation system is established, by using the simulation system the performance of pulse Doppler radar seeker is evaluated when jammed.
详细介绍了用于检测矿井车辆x波段多普勒传感器系统的研制。
This paper describes research on X-band doppler sensor system, used to measure the speed of claw passenger trucks.
本文设计了一套激光多普勒测速系统，并对该系统作了理论分析和计算。
A laser Doppler velocimetry system is designed, and its theoretical analysis and computation are made.
水下航行器的多普勒导航系统设计。
水下航行器的多普勒导航系统设计。
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