damping function 中文意思是什麼
damping function
解釋
阻尼函數-
This paper also studies an hvdc system based on leee fbm, a svc system based on ieee fbm and a statcom system based on ieee fbm. it proves the function of supplementare subsynchronous damping controller ( ssdc ) in the above devices to mitigate ssr. it also analyzes the influence of input signal of ssdc on ssr mitigation, tdeng hvdc as an example
在psasp小干擾線性化平臺psaspaisst上，對基於ieeefbm的hvdc系統、基於ieeefbm的svc系統和基於ieeefbm的statcom系統分別進行了ssr小干擾穩定分析，驗證了在這些裝置中安裝次同步振蕩阻尼器（ ssdc ）對r的抑制作用，並以hvdc為例，研究了ssdc輸入信號對其抑制ssr的影響。 -
Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。 -
The voltage ir on core adopts semienclosed insert model. the current element adopts two - stage compensation to have wide load property. the whole plasticenclosed voltage coil. can withstand instantaneous large voltage impulse. the double jewels bearing or the magnetic - propelled bearing can ensure long lifetime. the bipolar aluminium nickel cobalt damping magnet steels have high coercivity, stable magmetic property. the electric function is in accordance with iec521 international standard
：電壓鐵芯採用半封閉插入式，電流元件採用二級補償使表計具有寬的負載特性。全塑封的電壓線圈能稱說瞬時大電壓沖擊。雙寶石軸承或磁推動軸承確保表計長壽命。 -
After deducing simplified general formula, a method for calculating structure and performance parameter of water hydrostatic bearing is presented, in which the throttle function of short damping hole is employed to decrease water film thickness and to improve the bearing performance
由於滑靴的靜壓支承性能較差，因此在推導出簡化通用公式后，提出了計算水靜壓支承結構和性能參數的方法，利用短阻尼孔的節流作用來減小水膜設計厚度，提高支承性能。 -
The effect of the form of electron distribution function on electron temperature was also discussed in the first part. in the second part, starting from kinetic equations, we discussed stimulated raman scattering ( srs ) by including both landau damping ( ld ) and the collisional damping ( cd )
第二部分從含有限碰撞效應的vlasov - maxwell方程組出發，首先推得含碰撞阻尼和landau阻尼的描述受激raman散射的耦合方程組，然後討論受激raman散射的線性增長率。 -
Analysis software. the analysis show : the gyroscope effect to the flywheel rotor ' s and the shaft ' s vibration character under high rotate speed should be considered. at this time, the system ' s normal frequency is the function of rotate speed ; the amplitude passing through the resonance field can be lowered obviously by improving the effective damping of the electro - magnetic bearing
建立了高速旋轉狀態下，採用磁軸承作支撐的飛輪轉子和轉軸的動力學模型，給出了有限元法在此問題中的具體應用，並利用i - deas有限元分析軟體具體分析了飛輪系統的共振頻率、系統振型，以及對偏心激勵的響應，分析表明：對于高速旋轉的飛輪轉子和轉軸，應考慮陀螺效應對其動力學特性的影響，此時系統的固有頻率是轉速的函數；通過提高磁軸承的等效阻尼可顯著降低系統通過共振區域時的振幅。 -
The closed - loop transfer function matrix of such a system must be singular and an input controls two outputs in the system, so the closed - loop transfer function should be assumed a singular matrix whose elements are the fist - order inertia components, then the controller is designed. the control algorithm of closed - loop gain shaping is applied to the rudder roll damping system ( rrd )
考慮到此系統的閉環傳遞函數陣一定是奇異的，以及具有一個輸入控制兩個輸出的特點，在保證其中一個輸出盡量小而另一個輸出跟蹤輸入的前提下，將閉環傳遞函數陣即補靈敏度函數設為具有一階慣性的奇異陣，設計出控制器。 -
This paper argues that the new track, because of its low cost and damping function, will become a widely adopted tack to replace the traditional ballast tad, ballastless bed and the expensive floating slab structure
試圖以其廉價及有效減振的特色，取代碎石道床軌道、無碴軌道和昂貴的浮置板軌道結構。 -
Apply to such industry as petroleum, chemical industry, textile, metallurgy, electron and atomic energy, etc., is it filter, charge dust, gas not to spread, is it steam take, catalysis reflect, electrolytic, eliminate noise, damping, hinder fire and sweat function of cooling etc. to flow to have
應用在石油化工紡織冶金電子及原子能等工業中，有過濾收塵氣體擴散流蒸化催化反映電解消聲阻尼阻火及發汗冷卻等作用。 -
Using the canonical variable representation ( x, p ), the light - damping oscillator is discussed by the corrected time - dependent perturbation methods of dirac, it is turned out that the energy levels have shift and breadth, and the wave function decaying with time exponentially
採用正則變數（ x ， p ）表象討論輕阻尼振子，並對量子力學含時微擾的狄拉克方法加以修改，得出量子能級有位移和寬度，以及波函數出現隨時間指數衰減的行為 -
The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study
為改善上述缺點，本文進行了以下的研究工作：在忽略耗能器附加質量的基礎上，推導出適用於耗能減震結構的攝動法，減少振型分解法在迭代計算過程中的工作量，加快計算速度；針對運動方程的強行解耦所產生的誤差，根據攝動法原理，對其進行一階攝動修正；為消除強行解耦振型分解法用於非比例阻尼結構分析時產生的誤差，引入狀態空間對系統進行復模態分析，並改進了基於復模態理論的、適用於非比例阻尼結構設計的雙反應譜方法；對于耗能器的數量和位置優化進行了一些探討和研究。 -
Moreover, a spindly shaped damping zone is designed to improve the absorption capability of conditional damping zone, which has the function of two directional wave absorption and low - pass filtering
其中對阻尼消波技術作了改進，設計了一種紡錘形的阻尼消波器使其具有雙向消波功能和低通濾波功能。 -
In this thesis, by means of the lagrange function, the finite element dynamic equations of the beam element are deduced. then all the element dynamic equations are assembled into the system dynamic equation through using the kineto - elastodynamics theory. the dissipation force derived from joint damping is applied as excitation force of the linkage system
本文的主要內容如下：以平面彈性四連桿機構為研究對象，運用ked （ kineto - elastodynamics ）方法推導出了連桿機構的系統動力學方程；在此基礎上，將運動副阻尼等效為粘性阻尼，導出了包含運動副等效粘性阻尼系數的系統動力學方程。 -
Important missing aspects are : turbulent flow, numerical discretization techniques specially the relevant and difficult topic of numerical treatment of advection and related numerical methods of solution, variable property fluids, boundary layers, stability, etc. rather, it focuses on more primitive and fundamental issues of numerical treatment of advective equation and proper formulation of initial boundary value ( ib vp ). numerical problems associated with advective dominated transport include spurious oscillation, numerical dispersion, peak clipping, and grid oriention. however, the key of numerical solution of three - dimensional advective problem is searching for a high - precision interpolating function, which can keep the computational stability and low damping
3 、針對三維純對流方程提出了實用的擬協調單元模式，並與線性插值模式和協調單元模式比較后表明，在物理量大梯度變化的情況下，線性插值模式會產生較大的數值阻尼，導致解的失真；協調單元模式具有極高的計算精度和良好的計算穩定性，還可較好地克服數值阻尼，但由於計及物理量的二階導數項，計算工作量大，邊界條件給定尚存在一定的困難；而擬協調單元模式不僅具有協調單元模式計算精度高的優點，還避免了物理量的二階導數項，可大大地減少計算工作量。 -
Prony ' s method is used in transfer function identification, and it is useful for controller design for damping electromechanical oscillations. 3
最後，把prony方法應用到了傳遞函數的辨識中，為後面阻尼低頻振蕩的控制器設計打下基礎。 -
In chapter three, the passive vibration control of a smart cantilever beam with piezoelectric shunt damping system is studied theoretically. in this chapter, the mechanical impedance of piezoelectric shunt damping system is analyzed, and the parameters of the rlc piezoelectric shunt circuit are optimized via transfer function of the piezoelectric shunt damped beam in order to optimize the vibration damping effect
研究了利用壓電分流阻尼系統進行壓電智能懸臂梁被動振動控制的方法，分析了壓電分流阻尼系統的機械阻抗，並通過傳遞函數方法對rlc串聯壓電分流諧振電路元件的參數進行了優化，以使壓電分流阻尼系統的阻尼效果達到最優。 -
The global existence of solution to the initial - boundary value problem of a nonlinear fourth - order wave equation with a damping term and a force source term was proved based on the standard semigroup theory and by introducing a modified energy function
摘要根據半群理論，引進修改的能量函數，證明了具有阻尼項和力源項的四階波動方程的初邊值問題解的整體存在性。 -
The existing algorithms usually add damping term of the form. xlog. x into their objective function in order to control matching matrix ' s entropy. the shortcoming is that the two - way constraints need to be enforced by using sinkhorn method
這類演算法為了控制匹配矩陣元素的熵，通常在目標函數中加入xlogx形式的阻尼項，其缺點是需要用sinkhorn交替歸一化方法或其它方法使匹配矩陣滿足雙向的行列約束。 -
We have deduced mathematical equations modeling its vibration and studied the stability of the semigroup associated with the equation system. we obtain the exponential stability under certain hypotheses of smoothness and structural condition of the coefficients of the system, applying the relaxation function decays exponentially. this result does not need the continuity of the damping coefficient at the interface
對于具有局部粘彈性阻尼的高維波方程的能量的指數衰減問題， liuetal . 51 }和riveraetal . 63分別對k一v型和boltzmann型的情形進行了研究，在假設了阻尼系數是光滑的並且附加了一些結構性條件的情形下，得到了指數穩定性的結果。 -
In terms of some unique idea, a series of novel damping materials based on polydimethylsiloxane / polyacrylate, with a gradually broadened damping function region, have been successfully prepared by using five technique approaches
依據創新性的構思，圍繞著制備寬溫寬頻阻尼材料，本文採用五條技術路線，成功地制備出一系列阻尼功能區逐漸拓寬的聚硅氧烷聚丙烯酸酯新型阻尼材料。
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