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vibration test     
相关语句
  振动试验
     The entirely digital simulation system of vibration test is a client/sever network,which is constructed by three computers.
     振动试验仿真系统是一套全数字仿真系统,由三台计算机组成,形成一个Client/Sever模式的网络体系。
短句来源
     Design of a vibration test model for the ZJ15 rig substructure
     ZJ15型钻机底座振动试验模型设计
短句来源
     Analyses of temperature,humidity,altitude and vibration test methods in GJB 150A(for publication)
     GJB150A(未发布)中温度、湿度、高度、振动试验分析
短句来源
     The device features by its compact and solid structure as well as its small volume(50×55×45mm~3). It has passed the vibration test at frequencies between 32~500 cps and with an amplitude of 2mm as well as superload of 8g.
     器件具有结构紧凑、坚固和体积(50×55×45mm~3)小等特点,经频率32~500c/s振幅2毫米过载8g振动试验器件仍完好。
短句来源
     Vibration Test of the Back Airbrakes
     某型飞机后减速板振动试验
短句来源
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  振动测试
     The development and design of loom vibration test system based on LabWindows/CVI5.0
     基于LabWindows/CVI5.0的织机振动测试系统的开发设计
短句来源
     Design of A Vibration Test System Based on PWM
     基于PWM的振动测试系统设计
短句来源
     Virtual vibration test and analysis system based on LabVIEW
     基于LabVIEW的虚拟振动测试分析系统
短句来源
     The paper presents the mechanics model of vibration for VWWJ-19/7.8 type air compressor without foundation and oil lubrication, and conducts the program calculation and Vibration test.
     导出了VWWJ—19/7.8型无基础无油润滑空气压缩机的振动力学模型,进行了程序计算和振动测试
短句来源
     THE VIRTUAL VIBRATION TEST SYSTEM BASED ON LABVIEW
     基于LabVIEW的虚拟振动测试系统
短句来源
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  振动检测
     Nano-Level Vibration Test and Compensation Based on Tunneling Effect
     基于隧道效应的纳米级振动检测及补偿
短句来源
     The System Design of Blower Vibration Test
     风机振动检测系统的设计
     Naval Gun Vibration Test System Based on LabVIEW
     基于LabVIEW的舰炮振动检测系统
短句来源
     Vibration test method for identification of bridge damage
     桥梁损伤的一种振动检测方法
短句来源
     The paper has introduced some examples of test technology application, such as the petrol engine test, the diesel engine test, the vibration test, the oil sample analysis, the unusual sound of engine test, the chassis output power test and the chassis brake test.
     从汽油发动机检测、柴油发动机检测、振动检测、油样分析、内燃机异响检测诊断、底盘输出功率和底盘制动检测等方面,介绍了检测技术在工程机械维修中的应用。
短句来源
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  振动实验
     Vibration test shows that it can pass the test without destruction and fracture under 0.2 g~2_n/Hz three axial each 5 minutes' random vibration.
     振动实验表明样品可通过三个方向各5min的量级为0.2g2n/Hz的振动测试而不破坏.
短句来源
     Based on the experimental modal analysis and the vibration test analysis of motorcycle frame and engine,the author obtains the resonance frequency of the frame.
     以实验模态分析为手段,通过对摩托车车架及发动机等部件的振动实验分析,找出了引起车架共振的频率;
短句来源
     The simulation study shows that the electro-hydraulic servo vibration bable system,designed using the method presented here, can realize tracking control to penodic vibration test signals.
     研究表明,应用这种方法设计的电液伺服振动台系统可以实现对周期或重复性的振动实验信号的跟踪控制。
短句来源
     The simulation study shows that the electro-hydraulic servo vibration table system, designed using the method pres- ented here, can realize trcking control to periolic vibration test signals.
     研究表明,应用这种方法设计的电液伺服振动台系统可以实现对周期或重复性的振动实验信号的跟踪控制。
短句来源
     This paper analyzed the phenomena in satellite vibration test that natural frequency decreases as excitation level increases.
     针对卫星振动实验中的频率漂移现象进行了分析.
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  vibration test
Free vibration test for some sample beams were also carried out to determine their fundamental frequencies.
      
Method of obtaining a feedback signal for correcting the characteristics of an electrodynamic vibration test bed
      
The adhesive performance of aluminized polyester films has been assessed by use of an ultrasonic vibration test.
      
The use of the vibration test may provide a substitute for or augment the routine use of radiography for in vivo evaluation and monitoring of bone healing.
      
The findings revealed that the results of bone photodensity and the mechanical three-point test are highly and positively correlated with the results of the vibration test.
      
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This paper deals with the basic principles of the vibration and shock isolation in accordance with the basic theory. Three aspects are considered here: 1. The isolation theory of such periodic vibrations as: 1) Single-degree-of-freedom system; 2) Uncoupled two-degree-of-freedom system; 3) Coupled two-degree-of-freedom system; 4) Multi-degree-of-freedom system; 5) High frequency excitation system; 6) Non-rigid structure system. 2. Theory of random vibration isolation. 3. Theory of shock isolation. The theory...

This paper deals with the basic principles of the vibration and shock isolation in accordance with the basic theory. Three aspects are considered here: 1. The isolation theory of such periodic vibrations as: 1) Single-degree-of-freedom system; 2) Uncoupled two-degree-of-freedom system; 3) Coupled two-degree-of-freedom system; 4) Multi-degree-of-freedom system; 5) High frequency excitation system; 6) Non-rigid structure system. 2. Theory of random vibration isolation. 3. Theory of shock isolation. The theory involved here has been partly proved by the vibration test of multi-degree-of-freedom system. In the last part of the paper, are discussed the principles for selection and design of the shock and vibration isolators.

本文从基本理论出发分析了电子设备振动与冲击隔离的基本原理:1.周期性振动:(1)单自由度系统,(2)非耦合二自由度系统,(3)耦合二自由度系统,(4)多自由度系统,(5)高频激励系统,(6)挠性结构系统等的振动隔离原理;2.随机振动的隔离原理;3.冲击隔离原理。通过多自由度系统的振动试验基本验证了上面有关的理论。最后提出振动与冲击隔离器的选用与设计原则。

By using two YIG single-crystals as resonator, a magnetically-tunable bandpass filter for 3cm waveguides has been constructed. The coupling between cavities is of side-wall-coupled Type. The insertion loss is lower than 2db for a tunable range of frequency of f_0±0.5 GHz within the whole X band except at the high fringe sideband frequency where it is 2.4db. The 3db Bandwidth is 30±5MHz. The stop-band attenuation (f_0±100MHz) is over 35db except individual frequency points. The device features by its compact...

By using two YIG single-crystals as resonator, a magnetically-tunable bandpass filter for 3cm waveguides has been constructed. The coupling between cavities is of side-wall-coupled Type. The insertion loss is lower than 2db for a tunable range of frequency of f_0±0.5 GHz within the whole X band except at the high fringe sideband frequency where it is 2.4db. The 3db Bandwidth is 30±5MHz. The stop-band attenuation (f_0±100MHz) is over 35db except individual frequency points. The device features by its compact and solid structure as well as its small volume(50×55×45mm~3). It has passed the vibration test at frequencies between 32~500 cps and with an amplitude of 2mm as well as superload of 8g. The temperature shift is about range of 1.2~1.5MH_2 per degree.

利用YIG单晶作为谐振器,研制出了三公分波导型磁调带通滤波器,耦合腔体采用侧壁耦合型式。在x波段,(f_0±0.5)GHz频率调谐范围内,器件的插入损耗除高端带边频率在2.4db外,其余频率都在2db以下。三分贝带宽为30±5MHz,阻带衰减(f_0±100HHz)除个别频率点外,其余都在35db以上。器件具有结构紧凑、坚固和体积(50×55×45mm~3)小等特点,经频率32~500c/s振幅2毫米过载8g振动试验器件仍完好。温漂每度约1.2~1.5MC。

This paper synthesizes and analyses the foreign specifications of environmental vibration test, with comparison emphaticall made of different specefications of random vibration test. Finally, it gives views on the trend of development in the foreign specifications of environmental vibration test.

本文对国外环境振动试验标准进行了综合和分析。特别是对随机振动试验各种标准进行了比较。文中最后对国外环境振动试验标准的发展趋势提出了一些看法。

 
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