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模态技术
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  modal technique
     ANALYSIS OF VIBRATION RESPONSE FOR A SHANGHAI-50 GEAR-BOX BY APPLYING MODAL TECHNIQUE AND VIBRATION MODEL OF MULTIDEGREES OF FREEDOM
     利用模态技术及多自由度振动模型分析上海-50变速箱的动态响应
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     This paper deals with the ground analogue experimental study on vibration of pump outlet pipeline in the aircraft hydraulic system. The characteristics of pressure surge, stress surge and mechanical vibration, of pipelines are analyzed with fluidline dynamics and experimental modal technique. And, a new method is presented to control the stress level of the aircraft hydraulic pipeline both by strain mode and stress strength measurements.
     本文对某机液压系统泵出口管道的振动进行地面模拟试验研究,应用流体管道动态分析技术和试验模态技术来分析该飞机液压管道的压力脉动、应力脉动和机械振动特性,提出以应变振型和脉动应力强度共同控制飞机液压管道应力水平等方法。
短句来源
     A dynamic model for the main components of SHOO diesel engine was set up by the experimental modal technique and their dynamic deformation was predicted by the model under simulated working conditions.
     本文利用试验模态技术建立S1100柴油机主构件的动力学模型,并模拟工作状况,预测各点的动态变形。
短句来源
  mode technique
     Curvature Mode Technique of Damage Identification for Beam Bridge Structure
     桥梁结构损伤识别的曲率模态技术
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     Curvature Mode Technique of Damage Identification for Beam Bridge Structures
     梁桥结构损伤识别的曲率模态技术
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  “模态技术”译为未确定词的双语例句
     Noise source identification of internal combustion engine using sound mode technology
     用声模态技术识别内燃机噪声源
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     Based on the ANSYS software platforms, the structural vibration and noise of the special vehicle cab structures have been systematically simulated and studied with test modal technology, the finite element and the boundary element methods in this paper.
     本文通过ANSYS软件平台,建立了某特种车辆驾驶室结构的三维有限元模型和驾驶室内部振动噪声耦合声场模型,综合运用试验模态技术、有限元法和边界元法,对其内部噪声进行了较为系统的分析研究。
短句来源
     Rationality Research on Design of Inner Frame of Servo Turntable with Modal Analysis
     利用模态技术分析伺服转台内框架设计的合理性
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     Direct Index Method of Damage Detection Based on Strain Mode Shape of Damage Structure
     基于应变模态技术的结构损伤诊断直接指标法研究
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     Damaged Inspection Based on Modal Technology
     基于模态技术的损伤识别
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  相似匹配句对
     Technology;
     技术
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     TECHNOLOGY
     技术
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     Freely Constrained Technique of Mode Synthesis
     自由拘束模态综合技术
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     MODAL ACOUSTIC EMISSION EVALUATION TECHNIQUES
     模态声发射检测技术
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  modal technique
Due to non-selfadjointness, design based on a modal technique may exhibit spillover: That is instability of the controlled system due to the detrimental effect of higher modes which have been neglected in the design.
      
The excitation of a multi-clad optical fibre by a misaligned gaussian beam is analysed using a least-squares boundary residual modal technique and a Born approximation.
      
The modal technique is used to analyse the axial coupling via a gap between two aligned fibres.
      
Results of the modal technique confirm the accuracy of the Born approximation when corrected for Fresnel reflection.
      
However, the modal technique is more precise than the other methods when serious mismatch exists and is efficient for treating the gap problem, where the Born approximation is not applicable.
      
  mode technique
In these novel structures, ring stepped-impedance resonator, DGS and dual-mode technique are applied to not only reduce the volume but also improve the frequency responses of filters.
      
The controller design uses a sliding mode technique and is divided in two phases: slow feedback control and fast feedback control so that a final composite control is obtained.
      
Left ventricular and aortic diameters were measured by the two-dimensional M-mode technique and velocity time integral of aortic flow by the pulsed color Doppler technique.
      
This note presents a systematic robust control method for DC servomechanism based on the sliding mode technique.
      
In the second part of the paper, the linear stability of a porous layer, heated isothermally from below, is investigated using the normal mode technique.
      
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The pipeline vibration caused by pressure surge in aircraft hydraulic system is an important engineering problem both to domestic and foreign aviation industries in recent decades. This paper deals with the ground analogue experimental study on vibration of pump outlet pipeline in the aircraft hydraulic system. The characteristics of pressure surge, stress surge and mechanical vibration, of pipelines are analyzed with fluidline dynamics and experimental modal technique. And, a new method is presented to control...

The pipeline vibration caused by pressure surge in aircraft hydraulic system is an important engineering problem both to domestic and foreign aviation industries in recent decades. This paper deals with the ground analogue experimental study on vibration of pump outlet pipeline in the aircraft hydraulic system. The characteristics of pressure surge, stress surge and mechanical vibration, of pipelines are analyzed with fluidline dynamics and experimental modal technique. And, a new method is presented to control the stress level of the aircraft hydraulic pipeline both by strain mode and stress strength measurements.

飞机液压系统由于油压脉动引起的管道振动是近十多年来国内外航空工业界极为重视的工程实际问题。本文对某机液压系统泵出口管道的振动进行地面模拟试验研究,应用流体管道动态分析技术和试验模态技术来分析该飞机液压管道的压力脉动、应力脉动和机械振动特性,提出以应变振型和脉动应力强度共同控制飞机液压管道应力水平等方法。

This paper presents a brief introduction to the research work on the application of modelling techniques to the Vehicle body structure analysis in the Department of Mechanical Engineering of the University of Birmingham in recent years, including the test rig with sinusoidal excitation, the methods of determination of modal parameters and some achievements and experimental results. A few points of view with resepect to the application of sinusoidal excitation to the modal analysis are also discussed in this...

This paper presents a brief introduction to the research work on the application of modelling techniques to the Vehicle body structure analysis in the Department of Mechanical Engineering of the University of Birmingham in recent years, including the test rig with sinusoidal excitation, the methods of determination of modal parameters and some achievements and experimental results. A few points of view with resepect to the application of sinusoidal excitation to the modal analysis are also discussed in this paper.

该文扼要介绍了近年来英国伯明翰大学机械系在汽车车身模态技术应用方面的研究工作,包括正弦激振试验设备、模态参数计算方法以及某些成就和试验结果。文章也论及在模态分析中采用正弦激振的一些观点。

A dynamic model for the main components of SHOO diesel engine was set up by the experimental modal technique and their dynamic deformation was predicted by the model under simulated working conditions. The obtained results provided a scientific basis for the trouble-shooting of diesel engines ani the design optimization of their parts.

本文利用试验模态技术建立S1100柴油机主构件的动力学模型,并模拟工作状况,预测各点的动态变形。其研究结果为柴油机的故障诊断、结构的优化设计提供了可靠的科学方法。

 
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