Parametric vibration of an axially moving, elastic, tensioned beam with pulsating speed was investigated in the vicinity of subharmonic and combination resonance.
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。
The parametric and subharmonic resonances of stay cables excited by the vibration of deck are investigated.
研究由桥面振动引起的斜拉索参数共振和亚谐波共振问题。
The question about parametric identification of nonlinear vibration system based on time-frequency analysis was studied.
对基于时-频相结合的非线性振动系统的参数识别问题进行了研究。
Periodical variations of tether's tension caused by heaving oscillation of TLP play the role of a parametric exciter to vortex-induced vibration, and make it more complicated.
张力腿平台的垂荡引起张力周期性变化，对张力腿的涡激横向振动起参数激励的作用，使其动力响应更为复杂。
This paper studies the influence of the parametric variation of spring model on motor vehicle vibration, and analyses the characteristics of in a partial locked state.
具体研究了板簧模型参数变化对振动的影响，并对板弹的部分锁止状态进行了分析。
The parametric and primary resonances of stay cables excited by the vibration of deck of curved cable-stayed bridge are investigated.
研究由弯斜拉桥桥面振动引起的斜拉索参数共振和主共振问题。
The nonlinear thermal vibration characteristic of the composite thin-cylindrical shells under linear temperature field is investigated by the ANSYS parametric design language(APDL).
采用有限元软件ANSYS参数设计语言（APDL）实现复合材料薄壁圆柱壳结构在线性分布温度场作用下的非线性热振动特性分析。
This paper presents parametric optimization of viscoelastic dampers in vibration control of structures.
研究了粘弹性阻尼器在结构减震控制中的参数优化问题。
There are four methods for ultrasonic characterization of tissue elasticity: imaging inspection techniques, vibration velocity measurements, quasi-static strain measurements and parametric methods.
用超声进行组织弹性定征的方法有四种：图像检查法、振动测量法、静态应变测量法和参数识别法。
The parametric adaptive lag synchronization shows the character against vibration of parameters through the encryption of sound signal.
通过对语音信号加密的研究，参数自适应滞后同步具有很好的抗参数扰动特性。
The result displays that the horizontal steady-state vibration is little affected by vertical Chulomb damping parametric excitations.
结果表明，竖向阻尼参激对水平稳态振动的影响不大。
Secondly the vibration isolation of multi-stage rigid body system and the parametric optimize are researched, and also the parametric optimization of non-rigid machine or equipment system and non-r.
本文先后研究了多层刚性体的隔振及参数的优化，以及非刚性机组和非刚性基础隔振系统参数的优化，对刚性体系统和非刚性体系统各参数对隔振传递率的影响进行了一定的分析和探讨。
The result displays that the horizontal steady-sta te vibration is little affected by vertical Coulomb damping parametric excitations.
结果表明，竖向阻尼参激对水平稳态振动的影响不大。
The parametric and subharmonic resonances of stay cables excited by the vibration of deck are investigated.
研究了一类滞后非线性系统在多频激励下的超谐共振和亚谐共振。
The process of vibration analysis is demonstrated with APDL(ANSYS Parametric Design Language).
工程实例分析验证了方法的正确性和有效性。
The process of vibration analysis is demonstrated with APDL(ANSYS Parametric Design Language).
工程实例分析验证了方法的正确性和有效性。
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