提出了一种反射式光纤测振系统。
A reflective optic fiber vibration measuring system has been developed.
本文介绍一种用于测振式自动血压测量的脉搏波检测方法。
This paper presents a pressure oscillation detection technique for automatic measurement of blood pressure by the oscillometric method.
通过具体事例证实了轴承测振在预知性维修中起到不可忽视的作用。
It was demonstrated through concrete examples that vibration measurement of bearings played a decisive role in predictive maintenance.
本文介绍这种测振法的原理和一些实验结果，并对其应用作简要的讨论。
In this paper, the principle and some experimental results of this method are presented, and a brief discussion about the prospects of its applications is given.
描述一台两维激光多普勒测振装置，介绍其基本原理、组成部分及工作过程。
This paper describes the principle structure and operation process of a two dimensional laser Doppler vibrometer.
本文介绍了单根多模先纤探头的干涉测振实验装置，测量原理以及实探结果。
The theory of vibration measurement by interference with a multimode single optic fiber probe and an experimental arrangement, as well as the experimental results are presented.
解决了安装调试时的困难，为下一步扫描式激光多普勒测振系统奠定了坚实的基础。
So the difficulty in installation and debugging is solved, and the solid foundation for developing the Scanning Laser Doppler Vibrameter is settled.
以4120SG柴油机为研究对象，提出基于激光测振的表面振动法测量柴油机辐射噪声。
The laser vibrometer based on the surface vibration for measuring and analyzing the radiating noise of the 4120SG diesel engine is proposed.
炮口振动速度测试可以采用激光测振仪，它是基于多普勒原理的激光非接触测振技术而研制的。
With the laser scanning vibrometer, based on the Doppler effect, the muzzle vibration velocity is measured.
就标准套圈的选择、钢球测振分档范围和对测振值的影响因素等方面进行了较为系统的试验分析。
This paper analyzes the selection of the standard rings, classification of ball vibration and the influence on bearing vibration through test.
其中包括气悬浮测振支承理论的基础、气体静压轴承的设计、关键零件的技术要求和加工工艺等。
After the theoretical basis of air-bearing system, the design of air static pressure bearing and the technology of key accessory are stated.
利用光学连续相位扫描和正弦相位调制相结合，提出一种ESPI时间平均测振的定量分析方法。
In this paper, the phase continue scan is combined with the sinusoidal phase modulation to determine the vibration amplitude of object by time average ESPI.
为航空、航天、船舶、汽车等工程中无限宽板或周边固持板类构件的测振试验提出了一种新的激振方法。
A new exciting technique is developed for the vibration test of plates with infinite size or fixed boundaries in the fields of aerospace, shipping and automobile.
描述一种用8031单片机实现的基于测振法的无创伤血压监护仪，给出硬件的原理图和软件的算法框图。
This paper describes a type of blood pressure monitor we have developed using 8031 chip microprocessor based on oscillometric method and the designs of hardware and software.
激光多普勒测振技术具有在频域上对微结构瞬态运动进行分析的优点。是时域上周期运动测试的重要补充。
Laser Doppler vibrator has an advantage of analyzing the motion in frequency domain, and it is the complementarity of measuring periodic motion in time domain.
介绍了YD - 1型压电式加速度传感器与CZ - 4型磁座构成的磁座安装测振系统的安装谐振频率。
The mounting resonant frequency of vibration measurement system formed with piezoelectric acceleration sensor YD-1 and mounted magnetic base CZ-4 is addressed.
用袖珍数显测振表可以对新安装机组进行轴系平衡，也可以对运行一段时间发生振动故障的机组进行现场平衡。
By use of pocket DD vibration meter, both filed balancing of shafting of new unit and field balancing of unit with vibration troubles after operation for some time can be conducted.
首先利用测振传感器获得转子的振动信息，然后用FFT分析，将振动信号的频谱分析作为神经网络的训练样本。
The dynamic vibration information is gained from acceleration meter, and then by FFT analysis, the frequency information of vibration is used as the training specimen of neural network.
基于叶尖定时测振原理，对利用速矢端迹法分析叶片同步共振幅值的方法做理论推导，建立叶片同步共振的分析模型并进行仿真。
Theoretical derivation is done to the analyzing method of synchronous blade vibration by using speed-vector-end-tracking method, and so is the computer simulation to measurement process.
该方法可以有效的消除因本振信号频率漂移及闸门信号与被测信号的非同步引起的测相误差，同时提高了测量速度。
The phase detecting error caused by local oscillator frequency drift and non-synchronization of measurement signal and gate signal is eliminated and the measurement speed is improved at the same time.
双通道相干分析（相干谱）的应用在于对不同角度和不同激振方法对所测结果准确性进行判断。
The application of double access mutual spectrum analysis and mutual coherent analysis is to verify the accuracy of the examined result from different aspects and different excitation modes.
还需要在测扭振传感器获得的振动信号中把横振引起的信号分离出去。
It is also necessary to separate signals brought by transverse vibration from vibration signals, obtained by sensors used for measuring torsional vibration.
通过研究斜拉桥模态试验的特点，首次提出了在两点移动测点法的基础上，利用梁模型振型函数优化峰值拾取法的模态参数，取得了理想的效果。
Based on the former work, dynamic FEM analysis is made on the dynamic properties of the longest-span concrete cable-stayed bridge in Asia with geometric nonlinear effects considered.
根据振弦式传感器工作原理而设计的测频系统主要由手持式测频仪和PC计算机组成。
A frequency measuring system which is designed in accordance with the working principle of a vibrating-wire sensor is mainly composed with a portable frequency measuring device and a PC.
将测点的广义工作振型用二维图表示出来，通过测点振动响应的峰值异同最终实现故障提取和定位。
After representing GODS curves of all measuring point with two-dimensional graph, we can find the fault type and location through differences of the peaks of vibration response.
根据表面质点响应中瑞利波和反射体波能量分配分析表观相速度扰动机制，讨论振源、测点、洞穴三者相对位置及频率对表面波表观相速度影响。
Mechanism of disturbance of apparent phase velocity is analyzed from distribution of energies of Rayleigh waves and the reflected body waves in the responses.
本文是用全息法测十字平板梁及盘—片组合件的振型和振频的实验总结。
This paper is a summing-up of the experiment in which the vibration modes and vibration frequences of a cross formed beam and disc-blade combinations are observed and measured by holography.
对织机主要部件机架的振动进行了固有频率的理论分析，给出了合理的测点布局与相应的测试方法，为减振提供了参考数据。
The natural frequency for the main component frame vibration loom is analyzed, the reasonable layout and measuring is put forward, the reference data for vibration reduction is provided.
对织机主要部件机架的振动进行了固有频率的理论分析，给出了合理的测点布局与相应的测试方法，为减振提供了参考数据。
The natural frequency for the main component frame vibration loom is analyzed, the reasonable layout and measuring is put forward, the reference data for vibration reduction is provided.
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