stochastic vibration 中文意思是什麼
stochastic vibration
解釋
隨機振動- stochastic : adj. 1. 機會的；有可能性的;隨便的。2. 【數學】隨機的。
- vibration : n. 1. 振動，顫動；擺動；【物理學】振動。2. （心的）震顫。3. （思想情緒的）激動。4. 猶豫。adj. -al
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And gave priority to the eular - bernonulli beam model, the simply and convenient analytical resolution for the response of the pipelines under dynamical traffic loads through the impulse function and the congruence method of the vibration form and so on. during the analysis of the chanmical results of the pipelines, the randomicity of the output of the pipelines response was taken into accout. so the stochastic process method was applied to describe the probability characters of the pipelines response, which made the results truer, more veracious
本文採用eular - bernonulli梁模型和tomosimko梁模型對動力下kelvin粘彈性地基中管道固有振動性狀進行了分析，提出了各力學結果描述的解析式；並以eular - bernonulli梁模型為主，基於脈沖函數、振型迭加法等對管道在動力交通荷載作用下的管道響應問題提出簡單便捷的解析演算法；在管道受力結果的分析中，考慮管道響應輸出的隨機性，將管道響應用隨機過程來描述其概率特徵，使得結果描述更加真實準確。 -
Stochastic space vibration analysis of train - curved bridge time - varying system
橋梁時變系統空間振動隨機分析 -
In this dissertation, wind, vehicle and bridge are regarded as an interactional coupling vibration system., in the analysis model of the system, many factors are considered in detail, such as the fluid - solid coupling interaction between wind and bridge, the solid contact coupling interaction between vehicle and bridge, the stochastic wind load of vehicle, the time variation characteristic of the system induced by train movement
本文將風、車、橋三者作為一個交互作用、協調工作的耦合振動系統，較全面地考慮了風橋間的流固耦合作用、車橋間的固體接觸耦合作用、風對車的空間脈動作用及整個系統的時變特性。 -
The second experiment explores the stochastic resonance phenomenon in human sensory system. it can conclude from the result that electrical noise may enhance the ability of humans to detect sub - threshold vibration stimulus
一個實驗是對該儀器的測量重復性進行考察，另一個實驗對電噪聲增強振動感覺的隨機共振現象進行了驗證。 -
According to the fluctuating property of wind, on the stochastic vibration finite element theory, some calculation formulas of the response, including the along - wind response and the across - wind response, are obtained, the ideology of the torsion vibration in the double - tower structure and the ideology of the double - tower structure ' s dynamical wind load are also put forward at the same time. by using the stochastic vibration module of the general finite element program, the paper analyses the performance of the wind resistance more deeply and fully, discussing the influence on the double - tower structure from the diversification of the different component. the variance law of dynamic displacement and wind - induced vibration coefficient is derived through analyzing structure stochastic vibration, so is the effect of several parameters on dynamic displacement, acceleration and wind - induced vibration coefficient
從結構風振的基本理論出發，通過對脈動風功率譜的分析，推導了結構風振響應（順、橫風向）的計算公式，同時提出了雙塔結構的扭轉振動和動力風荷載計算的思想，在結合通用有限元程序的隨機振動模塊的情況下，對雙塔結構的抗風性能作了深入、全面研究，探討了雙塔結構構件截面的變化對其抗風性能的影響，同時探討了順風向風速譜的選取、風速、參與計算的振型數、風與結構耦合作用是否考慮等因素對分析結果的影響，比較了規范風振系數的計算與隨機演算法結構的異同，並討論了原因，得出一些有意義的結論。 -
According to the properties of both the structural style and the vibration mode of long cable - stayed bridge, and considering the correlation characteristics of natural wind, a practical method is introduced to simplify stochastic wind velocity field of long cable - stayed bridges for taking pylon wind field effect into account
為考慮斜拉橋橋塔風效應，根據大跨度斜拉橋結構形式特點，結合脈動風的相關特性，提出了一種簡化的大跨度斜拉橋三維脈動風場模擬方法。 -
In the second, in allusion to non - stationary the characteristic of the signal, the author introduces to the method that using empirical mode decomposition to analysis the vibration signal so that the signal are made up of some intrinsic mode function, after this process, we can use stochastic subspace identification to identification the mode parameter of the structure and find the same work frequency
其次，針對氣閥振動信號的非平穩特點，本文採用了經驗模式分解法（ empiricalmodedecomposition ）對振動信號進行分析處理，使之成為若干個基本模式函數imf （ intrinsicmodefunction ）和一個殘余量的線性組合。接著採用隨機子空間參數識別法對各個基本模式函數其進行結構參數識別，同時找出各種狀態的共同工作頻帶。 -
Random seismic responses of civil engineering structure are calculated by employing stochastic vibration equations and moment equations methods of nonlinear structures established and stochastic equivalent linearization. in this procedure of calculation, differential expression of hysteretic characteristics and seismic excitation are taken into consideration
通過已建立的非線性結構物隨機振動方程，納入滯后特性微分表達式，利用隨機等效線性化法和矩方程法，計算了工程結構物的隨機地震反應。 -
Results of these researches indicate that adaptive control can efficiently reduce system ' s influences caused by model ' s uncertainties, stochastic disturbances, and quantified measuring noises. meanwhile, adaptive control can help the steering system acquire excellent performances of power - assisted and portability characteristics ; the suspension system has a good performance of reducing vibration, and can improve dynamical character of a full vehicle
研究結果表明，自適應控制能夠有效解決模型的不確定性、隨機擾動和量測噪聲對系統的影響，使轉向系統具有良好的助力性能和轉向輕便性，懸架系統具有較優的減振性能，從而改善了整車動力學性能。 -
Random vibration analysis of stochastic antenna structures under wind excitation
風荷激勵下天線結構的隨機振動分析 -
The probability density evolution method for compound random vibration analysis of stochastic structures
隨機結構復合隨機振動分析的概率密度演化方法 -
Because of harsh and complicated operation environment, as well as transient and variable loads, vibration of piezoelectric laminated shell is a kind of sophisticated stochastic vibration process in fact
由於工作環境復雜、惡劣，所受的載荷瞬態多變，壓電層合殼的振動是一個非常復雜的隨機振動問題。 -
In order to study the vibration in the artillery traveling more accurately and completely, a tire force model of non - linear and self - adapting stochastic contacting mark is set up, and this model provides a good method to study the driving system ' s horizontal and vertical excitation caused by the plainness road surface. the suspension of the tractor is simplified by the model of spring - damp system, and the artillery torque rod is also simplified by torsion spring
為了更準確和全面地研究火炮牽引行駛過程中出現的振動，建立了非線性自適應隨機接地印跡的輪胎力學模型，該模型能很好地研究路面不平度對火炮牽引系統的垂直和縱向激勵；牽引車懸架簡化為彈簧阻尼系統；火炮扭轉桿簡化為扭簧。 -
The stochastic structure and stochastic intelligent truss structure are taken as research object in this paper. the analytical model and method of the structural dynamic characteristic are investigated. when the applied forces are random excitation or random process ( stationary random process or non - stationary random process ) excitation, the structural dynamic response, the active vibration control for the intelligent structure, the optimal placement of the sensor and the actuator and the optimization of the feedback gains of the closed loop control system for the intelligent structure, and the effects of the structural parameters on the active vibration control et al are all studied systemically
本文以隨機結構和隨機智能桁架結構為對象，對結構動力特性分析模型與求解方法進行了研究；對結構在隨機力或隨機過程（平穩隨機過程或非平穩隨機過程）激勵下，結構的動力響應、結構的振動主動控制、智能結構中作動和傳感元件配置位置與閉環控制系統增益優化、結構參數對振動主動控制效果的影響等問題開展了全面而系統的研究。 -
The mento - carlo simulation was introduced to substitute the random vibration experiment. the random responses of hysteretic system gotten by the method of stochastic equivalent linearization were compared with mento - carlo simulations, and the feasibility of this method was exemplified by mento - carlo simulations
對于遲滯阻尼振動系統的非平穩響應，本文亦用monte - carlo法來代替隨機振動實驗進行了計算求解，並與隨機等價線性化方法進行了比較與分析，例證了等價線性化方法處理遲滯阻尼振動系統隨機響應的可行性。 -
Optimization for gear system with a minimum stochastic vibration
隨機振動最小為目標的齒輪系統優化 -
When analyzing in frequence domain, according to the fluctuating property of wind, based on the stochastic vibration theory, some calculation formulas of the response are obtained in frequence domain
風振響應頻域分析部分從結構風振的基本理論出發，通過對脈動風功率譜的分析，推導了結構風振響應的計算公式。 -
Based on the theory of random vibration, the stochastic earthquake responses and dynamic reliability of underground structures under the condition of the linear elastic states were studied by using the method of probability analysis in this thesis
本文應用隨機振動理論，採用概率分析方法初步研究了地下結構線彈性工作狀態的地震隨機響應及其地震動力可靠度，為地下結構抗震設計方法研究提供一定的理論參考。
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