random vibration
[力] 随机振动
2025-11-01 12:14 浏览次数 12
[力] 随机振动
random noise vibration test无规噪声振动试验
random structural vibration随机结构振动
random parametric vibration随机参变振动
random signal vibration projector随机信号振动发射器
random wind vibration response随机风振响应
random transverse vibration analysis横向振动随机分析
Random Vibration Process随机振动过程
random m vibration随机振动
in practical situation, random vibration test must be regard as the key experiment to obtain the reliability or seismic behavior of the products.
在实际工程中,为研究产品的可靠性或抗震性,必须进行以随机振动为主的试验考核。
the basic procedure of a multi-input multi-output (mimo) random vibration test is analyzed systematically in the article.
对多输入多输出(mimo)随机振动试验控制的基本过程进行了系统分析。
a new method of the structural dynamic model modification was presented using measurements ofthe power spectral density under the random vibration in this paper.
给出一种利用随机振动试验的功率谱密度测量结果进行结构动力模型修正的方法。
based on the lamb「s theory in 1904, the source mechanism of the running source are analysis and the random vibration theory model and founded.
以拉姆理论为基础,分析了以运行列车为代表的确定性地震背景噪声震源的属性,并建立了两个轮对的随机振动理论模型。
the second part is studying the analysis method of response of nonlinear random vibration for masonry structure.
其次,利用随机振动理论进行了砌体结构的随机地震响应分析。
suggested in this paper is method for random vibration load identification, together with the algorithm used for physical parameter identification.
本文给出一个随机振动载荷的识别方法和系统物理参数的识别算法。
a 4d dynamic model has been established for the vehicle suspension system. no-linear random vibration theory is used to discuss how to solve this equation by fpk based on filtered white noise input.
建立了四自由度车辆悬挂系统的动力学模型,并应用非线性随机振动理论,在对模型输入进行过滤白噪声简化的基础上,探讨了用fpk法解方程的可能途径。
in this paper the statistical property of random vibration in the truck with rear bogie is discussed.
本文分析了装有平衡悬挂的三轴汽车的振动特点。
based on random vibration theory, the along wind structural response formulae are derived.
基于结构随机振动理论,可导出顺风向风振时各类风响应。
solution of wind induced random vibration of large span roof structures based on cqc method;
基于荷载响应相关法提出了一种计算大跨屋盖结构等效静力风荷载的新方法。
measurement results indicate that a coaxial-resonator under random vibration will induce phase noise.
测试结果表明,同轴谐振腔微波均衡器在随机振动中会引入相位噪声。
a new method for a vertical non-stationary random vibration analysis of vehicle-bridge systems subjected to track irregularity excitations is proposed.
提出了考虑轨道高低不平顺时进行车桥耦合系统垂向非平稳随机振动分析的新方法。
three methods, i. e. experimental attenuation model, random vibration method and broad band green function method for strong ground m…
归纳了强地震动估计的三种方法,简要综述了经验性衰减模型、预测强地震动的随机法和宽频带格林函数法;
the shear-type non-linear hysteretic system subjected to stationary excitation and local non-linear random vibration of engineering structure under earthquake excitation are studied.
求解受平稳随机激励的剪切型非线性滞迟系统,并研究了工程结构局部非线性随机地震响应问题。
this paper discusses two new applications of vibration techniques in reliability engineering: random vibration stress screening and vibration fault diagnosis.
本文讨论振动技术在可靠性工程中的两项最新应用,即随机振动应力筛选和振动故障诊断。
random vibration signals happen at running orientation, vertical against ground, and horizontal orientation. it was recorded in 3 channels by saver and was converted to psd format.
从空间三轴向来记录发生在列车运行方向、垂直地面方向和水平方向的振动信号,并拟合出每个方向的随机振动psd曲线。
the noise from broad band random vibration strike causes many syntony peak of structure. the insulating and reducing vibration and noise by viscoelastic damp material is a new technology measure.
宽频带随机振动沖击噪声会激发结构许多谐振峰,利用粘弹阻尼技术隔振、减振和降噪是一项新的技术措施,尤其是对于宽带随机振动和噪声控制具有特殊效果。
random vibration test technique based on equivalence of fatigue damage is an important method in evaluation of vibration environmental worthiness of the structure.
以疲劳损伤等价为基础的随机振动试验是评价结构振动环境适应性能力的重要手段。
but the strain under compound condition is not only simply addition of that under random vibration and thermal cycling load condition.
此外,复合载荷条件下的应变值也并非随机振动和热循环载荷情况下两种应变值简单的相加。
it has always been a technical problem unsolved how to address the spacecraft」s random vibration load at launching stage and guided index decomposition at the initial phase of defining general design.
如何对航天器发射阶段随机振动载荷进行处理来进行处理来指导指标分配,一直是亟待攻克的技术难题,其中关键技术就是将其等效化为準静态载荷。
however, the digital random vibration control systems currently based on power spectrum fitting can only generate random vibration exciting signals with gaussian probability distribution.
然而,目前基于功率谱均衡的数字式随机振动控制系统只能产生高斯分布的随机振动激励信号。
in chapter 2, deeply research on the random vibration test control algorithms are introduced, expecially on the key technologies, such as spectrum analysis, transfer.
第2章对随机振动试验控制原理及其算法进行了详细的介绍。重点介绍了其中的谱估计、传递函数均衡、相位随机化、时域随机化等关键技术;
the research shows that the random vibration theory can be well applied to predict the flow-induced vibration of heat exchanger tube bundles.
研究表明,采用随机振动理论可以较好地预测管壳式换热器管束流体诱导振动;
a discrete analysis . method for random vibration of structures under the excitations correlated in time domain is discussed in this paper.
本文讨论动力系统在相关多激发作用下的随机振动离散分析方法。
the simulation of random variables, second order filter and step hy step method are used to analyze the random vibration formulas.
采用模拟随机变量、两次滤波以及逐次推进法解随机振动方程。