estimation of stability 中文意思是什麼

estimation of stability 解釋
安定性估算
  • estimation : n. 1. 估計,評價。2. 預算,預算額;概算。3. 尊重,尊敬。4. 意見,判斷。5. 【化學】估定;測定。
  • of : OF =Old French 古法語。
  • stability : n. 1. 穩定,穩定性,穩度。2. (船等的)復原力。3. 鞏固;堅定,持久不變。
  1. Stability analysis of genetic parameter estimation for agronomic characters of adzuki bean

    小豆農藝性狀遺傳參數估計值的波動程度分析
  2. It analyse the stability with numerical simulation. finally, on the basis of geological estimation and analysis of the monitoring data and the numerical simulation, it conclude : ( 1 ) through the tracking investigation of the deformation phenomenon, and the study of the rock mass constructure of the slop, it determine the mode of the formation and destruction on the basis of aggregate analysis of the monitoring data

    最後,結合地質判斷、監測分析結果及數值模擬分析結果以及對典型剖面的極限平衡計算結果,得出了以下主要成果: ( 1 )通過對「左砂」邊坡變形破壞跡象的跟蹤調研,對斜坡的巖體結構和已經發生的破壞跡象進行深入的研究分析,結合對監測資料的綜合分析,確定了「左砂」邊坡可能的變形破壞模式。
  3. Reliability assessment of xi - luo - du underground water - power plant : the results have been used by the cheng - du surveying, design and research institute for the preliminary design ; ( 2 ) the stress and strain analysis for the xiao - guan - zi sluice and its foundation : the report has been applied for the reinforcement of the foundation ; ( 3 ) the thermal control procedure for the no. 7 - 14 power plant dam segments of the three gorge project : the research report provides the effective and efficient methods for the controlling of the temperature field in the mass concrete structure ; ( 4 ) the software system development for the long - term monitoring for dikes : the software can automatically give the results of the seepage field and the probability of soil piping of dikes and underground ; ( 5 ) reliability assessment of xiang - jia - ba underground water - power plant : the results have been used by the zhong - nan surveying, design and research institute for the preliminary design ; ( 6 ) fatigue reliability estimation of shipping berthing pillar : the results give the optimized design scheme and prediction of the structural age ; ( 7 ) 3 - d static and dynamic stochastic finite element analysis for the strength, stability and thermal control problem for xi - luo - du project

    溪洛渡水電站超大型地下洞室群圍巖穩定的安全可靠性分析:被成都勘測設計研究院應用於比選報告及可行性論證中; ( 2 )小關子水電站攔河閘壩及地基的應力應變分析:被成都勘測設計研究院應用於地基加固處理方案; ( 3 )三峽廠房7 # - 14 #壩段溫控並縫措施研究:為廠房壩段並縫方案的可行性提供了依據; ( 4 )堤防工程體系的長期監控預報預警決策系統開發:為監控、預測預報堤防滲漏管涌破壞提供分析軟體; ( 5 )向家壩地下洞室群圍巖穩定的安全可靠性分析:被中南勘測設計研究院應用於初步設計方案中; ( 6 )靠船墩的疲勞可靠度研究:為廣東航運規劃設計院的靠船墩優化設計和加固提供依據; ( 7 )溪洛渡高拱壩壩體壩基(壩肩)強度和穩定的三維靜動力隨機有限元分析及可靠度計算:為溪洛渡重大工程壩體的靜動力安全穩定性及溫控方案提供依據。
  4. The unscented kalman filter is used to estimate the probe position, velocity and un - model acceleration, which improves the orbit estimation accuracy and ensures the stability of navigation algorithm

    數學模擬結果表明,提出的導航方法是可行的,能夠滿足月球探測器奔月與繞月軌道段導航精度的要求。
  5. Global exponential stability of hopfield neural networks with time - varying delay and the estimation of decay rate

    神經網路的全局指數穩定性及衰減速度估計
  6. Application of rosenblueth moment estimation method into probabilistic analysis of slope stability

    方法在斜坡穩定性概率評價中的應用
  7. The robust system can prevent abnormal factors from entering the flood system, so as to ensure the stability of the system and the accuracy of flood forecast. firstly, the theory of robust estimation is introduced into parameter estimation of the auto - regressive model ( ar model ). also some estimation methods commonly used, including the huber estimation and igg estimation, are introduced and compared with the least square method ( lsm )

    洪水預報系統的抗差性研究,就是把抗差理論引入洪水預報中,利用抗差系統具有的抗差能力,使許多嚴重的不正常因素誤差影響,根本就不能進入系統,這樣,減少了系統的污染機會,降低了不正常因素的影響,可大大提高系統的穩定性和洪水預報的精度。
  8. Interval newton algorithm is used extensively in the calculation of chemical engineering such as the determination of phase stability, reactive azeotropes, robust process simulation, reliable parameter estimation, etc. all of these results show that interval newton algorithm is suitable to solve most kinds of nonlinear equation successfully

    由於區間牛頓法強壯的全局收斂性和同時求得多個解的能力使得區間牛頓法廣泛地應用在化工計算領域,如:相穩定性分析、反應共沸物的判斷及組成確定、穩態過程模擬、參數估計等等。
  9. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新型自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體控制,結合ti公司生產的tms320lf2407晶元,設計了直接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。
  10. Process stability and estimation methods of process capability index

    過程穩定性與過程能力指數的估計
  11. Curvature estimation and stability of constant mean curvature hypersurfaces

    常平均曲率超曲面的曲率估計與穩定性
  12. Abstract : according to the rules requirement and practical experience, the preparation and survey of towing operation for offshore mobile platform are summarized and discussed. these items include the analysis of towing stability, the selection of weather condition, the estimation of towing force and the equipping of towing facilities. some relevant proposals are put forward in this paper as well

    文摘:根據各種規定及實際工作經驗,對移動平臺遷航作業中的拖航穩性分析、氣象條件的合理選擇、拖帶力的估算、拖曳設備配備及檢驗等問題進行了總結和探討,並提出了相關建議,可作為實際工作的參考。
  13. The equivalent parameter estimation and on - line voltage stability index at weak buses of network side based on phasor measurement is presented

    提出了基於相量測量的薄弱節點電網側等值參數的估計和在線電壓穩定指標。
  14. In order to evaluate such characteristics as weight and static stability of proposed concepts effectively and conveniently during aircraft conceptual design, the implementation of center of gravity and associated weight estimation in an computer aided aircraft conceptual design system, whose data organization is object oriented, was studied

    摘要為了在飛機概念設計階段有效而便捷地評估方案重量和靜穩定裕度等特性,研究了在一個按照面向對象方式進行數據組織的計算機輔助飛機概念設計系統中進行重心及相應重量估算的措施。
  15. In the simulation, we added index weighting noise estimation of measurement noise to improve stability and adaptability of filter

    模擬中在線加入量測噪聲的指數加權時變噪聲估計器,使濾波器的穩定性和自適應能力顯著增強。
  16. The thesis, which is divided into six parts, reviews the history of the ro - ro ship and the regulation of imo concerning the security of ro - ro ship. the urgency and reason for china to investigate the stability of ship in waves is provided and discussed. after analyzing and comparing the research results of our nation and western of the same problem, in chapter 3, mathematical model for the estimation of stability is developed and calculated

    在比較、分析國內外有關船舶波浪穩性的研究成果的基礎上,運用理論力學、流體力學、高等數學、空間解析幾何的基本原理和船舶原理、船舶耐波性、船舶抗沉性、勢流理論的專業理論知識,提出了計算船舶波浪穩性的數學模型,並針對客滾船在波浪中的穩性變化進行了定量的計算和分析。
  17. In addition, the characteristic of outlier in the reservoir inflow is analyzed and the theory of robust estimation is introduced into the forecast of reservoir inflow and real - time error correction of it. the robust system can prevent outlier and extreme error from influencing correction efficiency, so as to improve the stability of correction results

    分析水庫入庫實測流量中粗差的特點,把抗差理論與方法引入水庫入庫洪水預報和誤差實時修正中,研究了具有抗差特性的洪水預報實時修正方法,以抗禦粗差和極值誤差對修正結果的影響,增強了修正結果的穩定性。
  18. In this essay, firstly the author analyzes the predictability of time series from china ' s stock exchange using three kinds of methods : arma model, neural network model and non - parametric estimation and gives evaluation on their performances while at the same time puts forward some conclusions deserving attention from both stock exchange supervising department and stock traders. secondly, the author examines the assumptions closely on which the above - said methods base and gives a detailed discussion on them, especially using garch model to test quantitatively the stability of china ' s stock exchange, afterwards drawing the conclusion that it is hard to make accurate prediction of price or return rate of china ' s stocks for none of the assumptions fully holds ground. thirdly, taking account of the difference between chinese stock traders as a whole and that of developed countries, the author gives a thorough analysis on the complexity and volatility of its ( traders " ) reaction to information and points out that the intrinsic heterogeneous and volatile reaction to information is an important reason for the almost unpredictability of the price or return rate in china ' s stock exchange

    本文首先採用arma模型、非參數模型以及神經網路模型對我國股市時間序列進行研究,對三種方法在分析我國股市時間序列的表現進行評價,並得出了一些對監管部門以及股票交易者有借鑒意義的結論;其次作者對三種模型分析我國股市時間序列的前提進行了討論,特別是利用garch模型對我國股市的系統穩定性進行了量化檢驗,得出了前提難以滿足導致準確預測我國股市價格或收益率困難的結論;第三,考慮到中國股市股票交易者群體與發達國家股市股票交易者群體之間的差異,作者借用行為金融學的理論成果對我國股票交易者對信息反應的復雜性和易變性進行了詳細分析,指出股票交易者對信息反應的異質性和易變性是造成難以準確預測我國股市的一個重要原因,考慮到我國股市以散戶為主導的特性將長期存在,因此將行為金融學的研究結論納入對我國股市時間序列的量化研究具有重要的意義;最後,作者從唯理預測與唯象預測之間差異的角度出發,指出了唯象預測的缺點並對我國股市時間序列的研究方向進行了展望。
  19. It is very important to take < wp = 8 > quantitative model estimation and qualitative factors analysis into account owing to the characters of growth high - tech enterprises, say, dynamics, non - stability, and virtual economy

    成長型高新企業價值評估具有動態性、不確定性、虛擬經濟等特點,因而要注重定量模型估算與定性因素分析相結合。
  20. Using lyapunov functional and linear matrix inequality ( lmi ) technique, and through the stability of subsystems decoupled in a single direction, we obtain an estimation formula of parameter ' s stability domain

    再利用標量lyapnov泛函和線性矩陣不等式技術,由單向解耦子系統的穩定性得到線性時滯大系統和非線性大系統參數穩定域的估計公式。
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