damping matrix 中文意思是什麼
damping matrix
解釋
萬惡間質-
In this paper, 6013al / sicp / gr metal matrix composite ( mmc ) was produced by spray codeposition, by means of changing the medium of quenching, influence of five types of heat treatment system ( furnace cooling, air cooling, water quenching, dry ice quenching, liquid nitrogen quenching ) and different aging temperature on the damping was studied systematically
本文採用噴射共沉積方法制備了6013al sicp gr金屬基復合材料（ mmc ） ，通過改變淬火介質，較為系統地研究了五種熱處理制度（爐冷、空冷、水冷、乾冰冷及液氮冷）以及不同時效溫度（ 120 、 150 、 170 、 190及210 ）對6013al sicp grmmc阻尼性能影響。 -
On the basis of the hamilton ' s principle, the element mass matrix, stiffness matrix, and damping matrix caused by coriolis force of the finite method for the conveying fluid tubes were educed in the paper
本文用哈密頓變分式推導輸送流體管道的有限元法分析單元質量矩陣、剛度矩陣和科里奧利力引起的阻尼矩陣。 -
The rudder roll damping system is just the system whose controlled object is not square matrix. the input is rudder - order and the outputs are the roll angle and the heading angle. the input controls the two outputs
舵阻搖系統正是被控對象為非方陣的系統，它通過輸入_ r （舵令）來控制輸出（橫搖角）和（首向角） 。 -
The centrosymmetric structural dynamical systems with damping were studied. the nearest triple matrix of the centrosymmetric with satisfying characteristic equations was found to a given triple matrix ( mass 、 stiffness and damping matrices ). finally, numerical examples were given
3 .研究了阻尼中心對稱結構動力模型修正問題，對給定的三重矩陣（質量矩陣、剛度矩陣和阻尼矩陣） ，求滿足譜約束條件且具有中心對稱特性的「最接近」的三重矩陣，並給出數值算例。 -
Through ( multi - level ) bordered block partition of the power system topology matrix, a bbdf coefficient matrix which is suitable for above decomposition is formed. when the equation is solved with parallel iterative method, convergence acceleration is achieved through damping newton method
通過採用（多重）對角加邊的方法進行電力網路拓撲分割，以形成適合以上分解法求解的對角加邊形式的系數矩陣，并行求解后並對迭代過程進行阻尼牛頓法修正，以達到加速收斂的作用。 -
This dissertation focuses on how to develop a high performance damping mechanism based on multi - energy transitions, which is independent or little dependant with the viscoelasticity of polymer matrix. three sections are mainly included in this dissertation as follows : chlorinated polyethylene ( cpe ) / piezoelectric ceramic ( pzt ) / vapor grown carbon fiber ( vgcf ) composites ; cpe / 2, 2 ' - methylene - bis - ( 4 - methyl - 6 - cyclohexylphenol ) ( zkf ) / vgcf composites ; organic hybrids made from cpe and small molecules cpe / pzt / vgcf composites : the damping composites of multi - energy transitions mechanism were produced by mixing pzt and vgcf into cpe. in this system, the mechanical vibration energy that was transmitted to cpe was found to convert into joule ' s heat through conduction paths between vgcf in the polymer matrix, so the vibration fades away
本論文主要包括三個方面的研究內容： ?氯化聚乙烯（ cpe ） /壓電陶瓷（ pzt ） /氣相生長碳纖維（ vgcf ）復合材料； ? cpe /雙[ （ 2 -羥基- 3 -環己基- 5 -甲基） -苯基]甲烷（ zkf ） / vgcf復合材料； ? cpe基有機小分子混雜型復合材料cpe / pzt / vgcf減振復合材料：利用壓電和導電填料填充高聚物基體，當復合材料受到機械振動時，通過高聚物基體將機械振動能傳遞到壓電陶瓷粒子上，利用壓電陶瓷的壓電效應，將機械能轉換成電能，則電流在導電粒子產生的迴路中流動，由於導電迴路具有一定的電阻，所以電能又轉變成熱能耗散掉，從而起到減振的目的。 -
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。 -
The mode superposition method, based on equivalent linearization and forcing decoupling method of non - classical damping matrix of energy dissipation systems, is the just one. at the same time, iterative process will increase computing workload and forcing decoupling method increase error
基於等效線性化的強行解耦振型分解法在一定程度上符合此要求，但此方法存在著迭代計算工作量大、強行解耦增大計算誤差的不足。 -
In time history analysis, the modification of damping matrix is presented. rayleigh damping model is adopted in main part and actual value is adopted in connected damping between main part and hanger
在時程分析中，對阻尼矩陣的形成提出了改進方法，即主體部分按瑞利阻尼模式計算，懸掛與核筒之間的聯結阻尼按實際值輸入。 -
As to the polyreference implemention of the least - squares complex frequency - domain estimator in mathematical separation technique of modes, this thesis builds a right matrix - fraction description model to estimate the system poles. then frequency point stabilization diagram is set up and analyzed to automatically determine natural frequencies, modal damping ratios and modal participation factors. finally mode shapes are identified based on the least squares theory
對于模態數學分離技術的多參考點最小二乘復頻域識別技術，先建立右矩陣分式頻響模型，識別出系統極點，再通過建立和分析頻率點穩態圖，能自動的確定出結構的固有頻率、模態阻尼比和模態參與因子，最後根據最小二乘原理識別出模態振型向量。 -
( 6 ) the analysis on singularity configurations of the manipulator were investigated by the singular value decomposition of jacobian matrix, which was treated with the damped least - square method in the motion. from the results obtained it was indicated that the minimum singular value of manipulator calculated by the damping jacobian matrix were far from zero position. velocity, position and accelerate of all the joints of manipulator moved regularly, consequently the problem that the joint of mani
（ 6 ）通過雅可比矩陣奇異值分解進行番茄收獲機械手奇異性分析，並採用阻尼最小二乘法對機械手運動中的奇異位形進行處理，使番茄收獲機械手最小奇異值遠離零點，各關節運動速度、位置和加速度運動無異常波動，解決了機械手在奇異位形處某些關節運動無法控制的問題。 -
Through experiment, rational joint technology was defined and matrix of diamond saw blade with noise damping was prepared
試驗出合理的基體連接工藝，並成功地制備出具有消音功能的金剛石鋸片的基體。 -
The main research work is summarized as follows : as the basis, the concept and process of eigenvalue analysis are discussed first. then according to the research of the state matrix, a concept that the system general damping coefficient keeps constant is proposed, which is helpful for understanding the interaction of all the dynamic components and impacts for the distribution of dampings
論文在回顧特徵值分析方法基本概念、步驟的基礎上，通過對系統狀態矩陣的研究，提出了廣義系統阻尼守恆的概念，這便於理解系統中各動態元件的相互影響和對系統阻尼分配所起的作用。 -
Then the vibration equations in the wheel / rail system dynamics are constituted again and the rigidity matrix, the damping matrix and the load matrix can be formed by different computer processor for the sake of increasing parallel computation efficiency
隨后在公式級對輪軌系統動力學振動方程組的組建進行了優化，將組建剛度矩陣、阻尼矩陣和荷載列陣模塊化。 -
A damping matrix equivalent method and its application in a kind of vibration problems
一類振動問題中阻尼矩陣的等效方法及應用 -
( 4 ) the modal information of beam before and after weighting is get through experiment. the damping matrix of the structure is also identified based upon the algorithm deduced in the paper
（ 4 ）對配重前後的彈性地基梁通過模態試驗獲取模態信息，並根據文中推出的識別阻尼矩陣的演算法對阻尼矩陣進行了識別。 -
Mechanical properties and damping capacity of magnesium matrix composites with hybrid reinforcement
混雜增強鎂基復合材料的力學和阻尼性能 -
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。 -
The eigenvalues ofjacobian matrix are derived and the stability condition is also presented. according to the bernoulli equation, similar to compressible calculations, pressure damping is introduced to accelerate convergence
推導了euler方程通量矢量的jacobian矩陣在直角坐標系和曲線坐標系下的特徵值，並由此導出相應的穩定性條件。 -
( 4 ) only when the resistance r = l / c, the transition efficiency between electric energy and heat reach its maximum value, which makes it possible to design the high performance damping composites of multi - energy transitions by adjusting the vgcf content. cpe / zkf / vgcf composites : in the cpe / pzt / vgcf composites, the conversion efficiency from force to electricity is very low because of the obvious difference of rigidity between cpe and pzt, which leads to the damping effect of multi - energy transitions is not so evident as the viscoelasticity of the matrix cpe, especially during the cpe glass transition
Cpe / zkf那gcf復合材料:針對cpe / pzt / vgcf復合材料中由於cpe和pzt之間模量差異較大，導致cpe和pzt之間的應力傳遞欠佳，影響力一電變換效率，從而壓電導電減振作用效果並不十分顯著的現象;本章中採用極性有機小分子雙（ 2一輕基- 3一環己基一5一甲基）一苯基]甲烷（ zkf ） ，而不採用pzt ，消除了pzt與cpe模量方面差異的影響。
分享友人