equivalent matrix 中文意思是什麼

equivalent matrix 解釋
當量矩陣
  • equivalent : adj 1 相當的,相同的,同等的。2 【化學】等價的,當量的;【數學】等價的;等量的;等勢的;【物理學...
  • matrix : n (pl matrices 或matrixes)1 【解剖學】子宮;母體;發源地,策源地,搖籃;【生物學】襯質細胞;間...
  1. Moment method is used for the analysis of interference among the vehicular multiple antennae in this paper. the multiple antennae system is equivalent to a microwave network, then the admittance matrix of the network can be obtained. using the admittance matrix, we can analyze the characteristic of coupling between two antennae and the near field of the antennae by the mom

    本文採用矩量法對車載多天線間的相互干擾特性進行了分析,將多天線系統等效為微波網路,然後採用矩量法求該網路的導納矩陣y ,利用該導納矩陣對天線間互耦特性進行分析,同時計算天線的近場分佈。
  2. Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation

    本文對多柔盤轉子-支承系統的振動現象做了以下初步探索:用質量離散化方法把原轉子系統簡化;採用matlab語言編制了對傳遞矩陣法計算多柔盤轉子-支承系統的臨界轉速;用matlab語言對riccati傳遞矩陣法和有限元法編制了程序計算系統的不平衡響應;並針對其過臨界轉速時振動較大的現象,提出採用變間隙控制油膜剛度和阻尼,從而使原系統的在特定轉速(臨界轉速)的一段范圍內不平衡響應減小;並從被動控制與主動控制兩方面進行數值模擬,取的了較好的控制效果。
  3. 2. dynamics analysis : by setting up jacon matrix differential coefficient sport is passed to descartes space. it makes terminal executing manipulator produce differential coefficient of acceleration and force in every different coordinates can be got. then the effective inertia, coincident inertia and gravity load of two manipulators are calculated by lagrange method. so generalized joint torque of each joint is got, and along with equivalent driving torque, actual driving torque of each joint can be worked out. 3

    動力學分析:建立雅可比矩陣將關節空間的各關節的微分運動傳遞到笛卡爾空間,使末端執行器位姿產生微分運動,以用於求加速度及力在不同坐標系間的線性變換,再用拉格朗日法計算兩機械手的有效慣量、偶合慣量、重力載荷,從而計算得到各關節的廣義關節力矩,並與等效驅動力矩共同算得各關節的驅動力矩。
  4. The random mathematical model is described using equivalent markov equations. the time and state parameters are discrete. based on the model, the flow rate distributions along radial and average at any height can be calculated directly, moreover, the probability transition matrix of the flow can be determined via the statistic character of the random cumulate particles, and be corrected by s. cd the random theoretical model shown in fig. l, the section of the bed of tbr is divided into a series of concentric circles

    一、在常溫和常壓下進行滴流床反應器流率分佈的研究,以狀態離散、時間離散的齊次markov過程描述了滴流床在滴流區的流率分佈,建立了滴流床在滴流區流率分佈的隨機模型,根據此模型可以: 1 、可直接確定任一高度下的液體徑向流率分佈及平衡流率分佈; 2 、液體流動的概率轉移矩陣可由隨機堆積顆粒的統計特性確定,以參數s修正。
  5. Enterprises apply for export tax rebates, the period needed to complete the seat of the ird taxes matrix, and to provide calculation of taxes ( equivalent to vat invoices ), and exports to the pleadings ( ie export declarations )

    企業辦理出口退稅,需要向期限所在地稅務局填報稅金匯總表,並提供稅金計算書(相當于增值稅專用發票)和出口免狀書(即出口報關單) 。
  6. In chapter four, the importance of anti - jamming performance of communication system evaluation is explained firstly. next three fuzzy cluster algorithms such as fuzzy equivalent matrix ( fem ) and fuzzy - c means ( fcm ) methods are proposed for evaluation of anti - jamming communication system. on the bases of fuzzy cluster, the fuzzy pattern recognition application is introduced in communication system

    第四章則採用模糊聚類的方法對通信系統的綜合抗干擾性能進行了評估,介紹了包括模糊等價矩陣、模糊c -均值聚類等三種模糊聚類方法的基本原理,在模糊聚類的基礎上,討論了模糊識別在通信中的應用,進一步建立了抗干擾的指標體系。
  7. This paper presents the element stiffness matrix and equivalent node force of the variable cross - section bar. so the approximation in structural analysis is avoided, and the calculation capacity of equivalent frame method is also developed. this helped the engineers avoid the fem, which consume much time and is difficult to master

    本文對板帶寬度變化的板柱結構推導了變截面直桿單元的單元剛度矩陣和等效結點荷載列陣,避免了在結構分析時所作的近似,也擴大了等代框架法的計算范圍,使工程技術人員免於使用佔用機時、難于掌握的有限元分析法。
  8. In the respect of pseudo dynamic test, the author explained the influencing factors of initial inputting stiffness matrix and the equivalent method of mass matrix of model

    在擬動力試驗方面,指出了聯機試驗中初始剛度矩陣的影響因素,建立了模型質量矩陣的等效方法。
  9. 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。
  10. In addition, the mom - po hybrid method is proposed to dissect radiation from radome - enclosed antennas and the correction impedance matrix upon which the solution to equivalent currents of radome ' s surface depend is built. a comparative analysis of those methods is finally presented to examine respectively their accuracy as well as computational efficiency

    最後,對矩量法物理光學法的混合演算法分析問題的過程進行討論,給出混合演算法分析帶罩天線輻射問題的具體解決方案,建立混合演算法求解天線罩表面等效電磁流的校正矩陣。
  11. The fields in a category group are the equivalent to dynamic column groups in a matrix layout

    類別組中的欄位相當于矩陣布局中的動態列組。
  12. Based on the transfer - matrix method, the general expressions of equivalent four - terminal network parameters of varying section torsional horn are derived, the relations between frequency equation and both the rotational velocity amplification and that of the surface tangential velocity of stepped type torsional ultrasonic horn with transitional section of cosine - like type are obtained

    摘要基於傳遞矩陣演算法,推導出了變截面桿扭轉振動時等效四端網路參量的一般表達式,研究了帶類餘弦過渡段階梯形變幅桿扭轉振動頻率方程與角速度放大倍數及外表面切向速度放大倍數等的關系。
  13. The dissertation discusses some theories of computation including the unit stiff matrix of the spatial member in the local coordinates , the coordinate transformation, the integration of the integer stiff matrix , the equivalent joint load , the introduction of the boundary condition , the computation of the unit internal force and support reaction , the stableness of the spatial stiff frame. the dissertation also discusses the methods of dealing with several unusual problems such as combined structure, temperature stress , elastic bearing

    本文論述了空間桿件局部坐標單元剛度矩陣、坐標轉換、整體剛度矩陣的集成、等效結點荷載、邊界條件的引入、單元內力與支座反力計算、空間剛架穩定的計算理論,以及組合結構、溫度內力、彈性支承等幾個特殊問題的處理方法。
  14. By using this model, the contribution of the thermal volume expansion of the matrix to the ptc transition of the composite is quantitatively estimated. the theory and experiment revealed that the conductive mechanism of abrupt resistivity increase at ptc transition region was equivalent as abrupt resistivity increase at the percolation curve close the critical volume fraction

    可以利用這個模型,對基體體積膨脹對ptc轉變的貢獻進行了定量分析,表明ptc轉變區的電阻突變與滲流曲線在臨界體積分數附近的電阻率突變在導電機制上是相同的。
  15. A proof that any row - column - finite infinite matrix over a sfield is normal equivalent with an unique classical form is given

    摘要證明了除環上每個行列有限的無限方陣必與唯一的正則範式正則等價。
  16. Abstract : the optical admittance of a single - layer film is derived from the characteristic matrix of the film pile. based on the single - layer, recurring layer by layer, supercomposing one by one, deriving the equivalent admittance of the film pile and calculating the reflect coefficient of the amplitude, the reflectivity and transmissivity of hte whole film system is derived at last

    文摘:根據膜堆的特徵矩陣,求出單層膜的光學導納,在單層膜的基礎上,進行層層遞推,疊加起來,求出膜堆的等效導納,計算振幅反射系數,最後求出整個膜系的反射率、透射率。
  17. The permitted total emission equivalent quantity of urban air pollutants and its distribution in urban area, which can be used as regional air pollution control index and can be allocated to each major pollution source as its limit of emission quantity, can be worked out by using linear programming model based on regional grid air pollutants transfer matrix which considers the difference of functional regions and the justice of the permitted emission ' s distribution

    通過將區域劃分為不同的功能區和管理小區,構造區域間大氣污染物轉移矩陣及利用線性規劃模型來確定城市大氣污染物允許排放當量及分佈,並以此作為區域控制指標分配至污染源,充分體現環境功能區差異和容量分配的公平性。
  18. According to the space vector modulation method of the equivalent structure of the ac - dc - ac transformation, the transformation relations of the matrix converter are deeply investigated. the ac - ac direct conversion control and the double - space - vector pwm scheme of the matrix converter are deduced, the four - step current commutation strategy of matrix converter is expatiated, the design method of input filter and over voltage protection circuit is analyzed, and the modeling and simulation of a three - phase matrix converter are implemented

    從等效交-直-交變換的空間矢量調制方法出發,深入分析了矩陣式變頻器的變換關系,導出了交-交直接變換控制規律和雙空間矢量脈寬調制技術,闡述了矩陣式變頻器的換流控制策略,分析了輸入濾波器和過電壓保護電路的設計方法,實現了矩陣式變頻器的建模和運行分析。
  19. Besides these, it is capable of performing frequency conversion with sinusoidal output voltages and currents at the desired output frequency and allows bi - directional power flow according to the space vector modulation method of the equivalent structure of the ac - dc - ac conversion, the conversion relations of the matrix converter were deeply investigated. the ac - ac direct transformation control and the double - space - vector pwm scheme of the matrix converter were deduced and the modeling, sin ~ iu1ation and experiment of a three - phase matrix converter were implemented

    本文從等效交一直一交變換的空間矢量調制方法出發,深入分析了矩陣式變換器的變換關系,推導出了交一交直接變換控制規律和雙空間矢量pwm調制技術,實現了交一交直接變換控制方式下矩陣式變換器的建模和運行分析,並進行了計算機模擬和實驗研究。
  20. Based on the initial parameters format of the distortion theory in this paper, the element stiffness matrix and the corresponding equivalent nodal force vector subjected to uniformly distributed load is developed

    在初參數格式的基礎上,本文又推導出考慮剪切變形的畸變分析的剛度矩陣及等效節點載荷列陣,獲得便於實際應用的畸變分析剛度法。
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