• 较好地解决了单自由度非线性随机参数振动系统的可靠性灵敏度问题。

    Dealed with the reliability sensitivity problem of single degree-of-freedom nonlinear vibration systems with random parameters and satisfied results are obtained.

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  • 实验得出,阶跃式变参数振动钻削效果明显优于相应条件下的普通钻削。

    It is indicated by test that the effect of step type variable parameter vibratile drilling is more superior than that of common drilling at corresponding conditions.

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  • 实验得出,阶跃式变参数振动钻削效果明显优于相应条件下的普通钻削。

    It is indicated by test that the effect of step type variable parameter vibratile drilling is more superior than tha...

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  • 第七章针对区间参数振动结构提出了一种改进的动力响应的区间优化方法。

    In chapter 7, an interval dynamic optimization method for uncertain structures using the improved 1st-order Taylor expansion is presented.

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  • 针对叠层复合材料的微小孔加工,提出了阶跃式多元变参数振动钻削新方法。

    A method of ultrasonic vibration drilling is presented to the hole machining of metal matrix composites.

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  • 研究速度变化的轴向运动粘弹性梁在亚谐波共振及组合共振范围内的参数振动。

    Parametric vibration of an axially moving, elastic, tensioned beam with pulsating speed was investigated in the vicinity of subharmonic and combination resonance.

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  • 针对叠层复合材料的微小孔加工 ,提出了阶跃式多元变参数振动钻削新方法 。

    This lays down a theoretical foundation for quick selection of right axial vibration drilling parameters and successful automatic machining of deep holes.

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  • 第六章针对区间参数振动结构提出了一种具有频率约束的动力响应的区间优化方法。

    In chapter 6, an interval optimization method of dynamic response for uncertain structures with natural frequency constraints is presented.

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  • 叠层材料是一种先进的复合材料,阶跃式变参数振动钻削新工艺最适合于加工新型叠层材料。

    The laminated material is an advanced compound material. A new vibratile drilling technology with step type variable parameter is suitable IC process the new laminated material.

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  • 该集成电路可以连续操作,让仪器能测量如温度、振动、压力、位置、曲度和张力等参数。

    The circuits can operate continuously, and enable instrumentation for measuring parameters such as temperature, vibration, pressure, positioning, inclination and strain.

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  • 在变切削参数的加工工况下,通过对振动信号的采集和频域处理,发现采用单一的自功率谱方法难以有效检测出刀片破损。

    Through collecting vibration signal and analyzing it in the frequency domain in the condition of changing parameter cutting, a single self power spectrum is hard to detect tool breakage effectively.

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  • 为快速选择合适的轴向振动钻削参数,实现深孔的顺利加工与自动化加工奠定了理论基础。

    This lays down a theoretical foundation for quick selection of right axial vibration drilling parameters and successful automatic machining of deep holes.

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  • 本文介绍了我国第一座大型观冰测试站内试验输电线路复冰振动各种参数测试的一套自动检测系统。

    This paper introduces a system of China's first large looking ice station for automatic measuring of various parameters concerned with vibration of iced conductors.

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  • 本文介绍了应用于再造大理石成型机的液压激振系统,并提出了应用转间控制的系统其振动参数的合理选择方法。

    This paper introduces hydraulic vibration-exciting system for marble moulding machine, and pats forward rational selection method of vibration. parameter for the system controlled by rotary valve.

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  • 利用灰色系统理论对试验数据进行分析,找出了对轴承振动速度值影响比较大的参数。

    We use grey system theory to analyze the experimental findings and found out the parameter which mostly affects the vibration velocity of tapered roller bearing.

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  • 以试验为基础,研究30204圆锥滚子轴承套圈参数与振动速度的关系。

    Based on the experiment, the relation between ring parameter and vibration velocity of 30204 tapered rolling bearing is studied.

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  • 本文讨论利用振动系统的随机响应和自由响应信号识别系统模态参数问题。

    The identification of modal parameters of a vibration system by means of random response and free response signal is discussed.

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  • 为了正确计算结构物和基础的振动反应,就必须合理地确定地基的阻尼参数。

    In order to compute the vibration response of structures and foundations correctly it is necessary to establish the damping properties of subgrade soil reasonably.

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  • 通过试验研究、比较,得出了振动拌和SFRC的主要参数及影响因素。

    The main Parameter and effect factors of vibratory mixing on SFRC are got through test, study and comparison.

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  • 分析了齿轮副各几何参数及误差对轮齿振动产生的影响。

    Analyzed the effects on teeth vibration exerted by geometry parameters and errors of gears.

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  • 结果表明,PP/硅灰石复合材料的力学性能对振动参数的响应并不是单调增加,而是存在一个最佳的响应范围。

    The results showed that the response of mechanical properties of PP/wollastonite composite to vibration parameters was not in a monotony increasing trend but an optimum responding range.

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  • 本文研究了具有线性参数的离散振动系统广义特征值逆设计问题。

    This paper studies inverse design problem of generalized eigenvalue problem of linear parameter discrete vibration system.

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  • 采用该模型计算了健康和局部破损梁的振动特性参数,计算结果与实际测试结果相吻合;

    The parameters of vibrational characteristics for healthy and broken RCBs were calculated by the model and the mode parameters of a real RCB were tested.

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  • 超低频绝对振动信号参数的检测在工程上有着十分广泛的应用前景。

    The detection of ultralow frequency absolute vibration signal parameter has very wide ranges of prospects for application in engineering.

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  • 文章提出了一种利用模态参数和由振动试验数据求得的频响函数来进行模型修正的方法。

    This paper presents a synthesized model updating method using the modal parameters and frequency response functions(FRF) extracted from the vibration test data.

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  • 本文是全文的第三部分,介绍负载参数对振动特性的影响。

    The third part of this paper deals with the effects of lead parameters on vibration characteristics.

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  • 本文是全文的第三部分,介绍负载参数对振动特性的影响。

    The third part of this paper deals with the effects of lead parameters on vibration characteristics.

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