reliability numerical 中文意思是什麼

reliability numerical 解釋
數據可靠性
  • reliability : n. 可靠性，安全性，確實（性）。
  • numerical : adj 數字的；數值的；用數字表示的。 （a） numerical order 號數。 a numerical statement 統計。 the ...
  1. In contrast to traditional synchronous motor of electrical excitation, permanent - magnet synchronous motor ( pmsm ) has more advantages, especially the occasion that requires high precision of control and high reliability, such as avigation, numerical control machine tool, processing center, robot and so on. in addition, it plays an important part in ac motor in modem times

    與傳統的電勵磁同步電機相比，永磁同步電機具有許多優良的特性，尤其是在要求高控制精度和高可靠性的場合，如航空、數控機床、加工中心、機器人等方面獲得了廣泛的應用，在現代交流電機中也佔有舉足輕重的地位。
  2. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體，主要分佈在兩個區域；火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近，或近日距離接近甚至小於日地平均距離，其運動可深入到地球軌道的內部，這將導致該類小行星與地球（還有金星、火星等）十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難，包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法（包括辛演算法）計算效果的比較，根據小天體運動自身的特性，給出了相應處理措施，從而可提高計算結果的可靠性
  3. So the model is more integral and accurate in describing the performance of heat and mass transfer in the adsorbent bed than the traditional mathematical model. 4. pens ( perturbational exponential numerical scheme ) is adopted to ensure the successful solving of the mathematical model and the reliability of results

    採用攝動精確數值解格式（ pens ）來求解數學模型中的主要控制方程，並且考慮到控制方程的非定常性，對原pens格式進行了非定常變換，保證了數學模型計算的成功和結果的可靠性。
  4. Based on stable reliability - based design theory and sensitivity analysis method, research on stable reliability - based sensitivity design for compressive bar is carried out and a numerical method for reliability based sensitivity design is presented

    摘要在穩定可靠性設計理論與靈敏度分析方法的基礎上，研究了壓桿穩定可靠性靈敏度設計問題。
  5. 2. the fem software plaxis is introduced and its theories and numerical methods are given. the standard drained triaxial test and the oedometer test are subjected to simulations of various laboratory tests in order to validate the reliability with measured test data

    引入了plaxis程序，對plaxis程序的特點、計算分析原理進行了概述，對土體的三軸試驗和側限固結試驗進行了模擬，計算結果較好的反應了土體的基本特性，並與試驗結果符合良好。
  6. Through discussion of numerical solution, the author get the effect of height of filled soil, size of culvert, width of valley, property of filled soil, construction procedure and techniques on soil stress of the culvert top ; 3. through the centrifuge test, the paper validates the reliability of numerical calculating on high - stack soil ; 4. the paper puts forward the simplified calculating method of soil stress of the culvert top on the foundation of numerical simulating and centrifuge modeling

    通過對數值解的討論，得到填土高度，涵洞截面尺寸，溝谷底部寬度，溝壁坡角，填築體性狀，施工速度，地下水對豎向位移場及涵洞頂部土壓力的影響情況； 3通過離心機的模擬試驗，驗證了數值計算對高路堤的計算結果的可靠性； 4在數值模擬和室內離心機模型試驗的基礎上，提出了高填方涵洞頂部土壓力簡化計算方法。
  7. Above all, we introduce the development of millimeter - wave power combiner and the novel study production at home and abroad. taking circuit form into consideration in the design of millimeter - wave power combiner, the gauge of high reliability and high performance must be defined. we design two kinds of waveguide - to - microstrip transition, the first kind of transition based on the achievement of a matched impedance probe show excellent performance, the second transition can also have good performance on some conditions through numerical simulation

    介紹了國內外毫米波功率合成的發展狀況和最新的研究成果。考慮擬以電路合成方式做毫米波功率合成器，必須解決與功率合成有關的相關組件的高可靠高性能指標問題，因此設計了兩種波導微帶過渡結構，其中探針式過渡測試達到了較好的效果，並對所提出的一種新型微帶波導過渡進行了模擬，在一定條件下具有較好的性能。
  8. The error analysis model of sampling system was set up for the first time, by combining the saddlepoint approximation analysis and numerical arithmetic, which greatly increased the potential of further application and improved the reliability of the error approximation of the optical sampling histogram

    論文首次建立了採用鞍點近似法與數值演算法相結合的取樣系統誤差分析模型，大大擴展了鞍點近似演算法的適用范圍，提高了誤碼率估算的可靠性。論文提出了基於時分取樣方法的光子模數轉換。
  9. We derive and prove some system reliability indexes such as reliability, instantaneous availability, steady - state availability, mut, mdt and so on for these three new models. some numerical examples are given to illustrate the results in the thesis

    本文對所建立的三個新模型的一些可靠性指標，其中包括瞬時可用度、穩態可用度、平均停工時間、平均開工時間、忙時等，進行了推導與證明，並對結果進行了分析與數值演示。
  10. The high reality of numerical simulation is studied prominently in the paper, studying the influence of temperature field on wear, introducing the reliability theory and bringing forward the universe model of the high - reality numerical simulation bout linear contact parts

    本文著重研究了磨損模擬的高真感性，研究了溫度、壓力對磨損的影響，引入了可靠性理論，提出了線接觸零件磨損的高真感數值模擬通用模型。
  11. With the rapid development of computational fluid dynamics and combustion theory, applying the computer to numerically simulate the complicated processes in the plasma ignition is possible. using numerical simulation can estimate the parameters which are not essay to measure and not doing so many experiments can improve its reliability and reduce the cost. so numerical simulation is a new pattern way to study the inner mechanism of the plasma ignition

    隨著計算流體力學和燃燒理論的發展及計算機的廣泛應用，用數值模擬等離子點火器內部燃燒系統流動、傳熱、傳質、化學反應等復雜的過程已成為可能。應用數值模擬的方法可以對實驗難以測量的量進行預估，而不需要大量的試驗，應用數值模擬的方法來解決等離子點火器燃燒性能的分析和工程設計，有利於提高工作的可靠性和經濟性。
  12. The accuracy of reliability calculation was improved in the derivative sfem method. the local derivatives of fem and numerical method were used to obtain the iterative formulas of the performance function ' s local derivatives. the procedure is relatively simple and adaptable to engineering application as the stiffness matrix formed and decomposed only once

    偏導sfem可靠度法求解構件疲勞可靠度，可靠度計算精度得到改善，通過有限元求偏導，結合數值微分技術，推導出了功能函數的偏導迭代格式，只需一次形成和分解總綱，計算較簡便，適合工程應用。
  13. At present, the numerical control bend tube obtains the widespread application in the aviation manufacture domain. it ’ s design and manufacture quality have very important influence to the integrity, the reliability of airplane and the engine organization. the nc bend tube welding jig is the key of the nc bend tube ’ s quality

    數控導管在航空製造領域中得到了廣泛的應用，其設計製造質量對飛機整機和發動機結構完整性、可靠性具有重要影響，而數控導管焊接夾具是保證數控導管質量的關鍵因素。
  14. The simulation methods and content about the mesh generation, the boundary condition of rotating wheels and moving ground of single car, and about the steady study on the two car running in row and overtaking process has shown the calculation results reliability and the numerical simulation methods feasibility. based on the comparison and analysis of mesh strategy, the descartes mesh strategy and the tetrahedron + prism mesh strategy are chosen. the continuous unsteady overtaking process of the vehicles, traveling with constant but unequal speed is replaced by a finite numerber of steps ; in each the relative position of both vehicles changes

    最後利用滑動交接面技術和動網格技術進行了瞬態的轎車超過某國產大型運輸車的數值模擬研究，在此之前國內外對此項技術均未有系統的研究和可借鑒的結論，以側向間距0 . 5倍轎車車寬為典型，用定性和定量兩種方法對比分析了超車過程中的轎車和運輸車與其單車情況及前文穩態模擬的異同，並將六種側向間距的瞬態結果與單車情況和穩態模擬結果進行了對比分析。
  15. Comparing with conventional methods, this combination accelerates the computational speed and decreases the memory requirement. the effectiveness and reliability of the method are verified by numerical results

    阻抗邊界條件ibc的引入減少了計算區域，節省了內存，將只適于導體散射分析的fma擴展到有塗層情況。
  16. Abstract : an integrating model combining the artificial neura l network with the linear arx model and its identification method is proposed. based on that model, a multivariable nonlinear predictive control algorithm is persented. the algorithm employs the result of the linear predictive control, obtains explicit nonlinear optimal controlling inputs and doesn " t need on - line numerical optimizing which is necessary in general nonlinear model ( including ann model ) predictive control. that greatly decreases on - line computing consumption, strengthens the reliability of the algorithm and the stability of the system. the simulation results in cstr are shown

    文摘:提出了一種由人工神經網路與線性arx模型相結合的集成模型，給出了其辨識訓練方法.以此模型為基礎，提出了一種多變量非線性預測控制演算法.它利用線性預測控制的成果，得到一解析式的非線性優化控制輸入，避免了通常非線性模型（包括普通人工神經網路模型）預測控制所需的在線數值尋優計算，節約了在線計算時間，提高了演算法的可靠性和穩定性.進一步給出了在cstr反應器上的模擬實驗結果
  17. A new method for stability assessment of the slope was proposed so as to give rise to reliability of the numerical simulation, which estimated the stability of the slope through the comprehensive analysis of the movement trend of velocity at the tracing points in the model, the failure zone as well as the displacement

    在判斷邊坡的穩定性時提出了一種新的判斷方法，即運用邊坡移動速度的變化趨勢結合邊坡的位移量以及破壞場范圍判斷邊坡的穩定性，提高了數值計算分析的可靠性。
  18. Moreover, it adopts modularization structure and clear flow. some numerical results form this pa per compared with these from sap93 to not only reflect correctly characteristic of curved girder but also be proved its reliability

    用cbsa對彎梁橋算例進行分析並與sap93程序計算結果相比較，結果正確反映了彎梁橋的受力特性，並驗證了cbsa計算程序及空間曲梁單元法的可靠性。
  19. Error estimation as well as the subsequent adaptivity analysis are concerned with the reliability of numerical algorithms and improvement of computational efficiency

    摘要誤差佑計以及自適應分析涉及演算法的可靠性以及計算效率的改善。
  20. The retrieval atmospheric three - dimensional wind field are compared with the three - dimensional wind field output by mm5 numerical simulation to show the reliability of this retrieval method

    反演出的三維風場再與mm5數值模式輸出的三維風場加以比較，驗證此種反演方法的可靠性。
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