穩性準則 的英文怎麼說

中文拼音 [wěnxìngzhǔn]
穩性準則 英文
stability criterion
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
  • : Ⅰ名詞1 (規范) standard; norm; criterion 2 (規則) regulation; rule; law 3 (姓氏) a surname Ⅱ...
  • 準則 : norm; standard; criterion; rule; formula; square
  1. For the delay - independent stability, necessary and sufficient algebraic criteria have been obtained in terms of characteristic functions. the key of the criteria is to verify that a polynomial has no nonzero real roots

    對時滯無關,以特徵函數為工具,獲得了充要代數,其核心是判定多項式方程無實根,這一問題由廣義sturm理論解決。
  2. On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account

    本文在研究碾壓混凝土重力壩漸進破壞過程和可能失方式的基礎上,提出了以臨界作為定臨界的設計極限狀態,分析了按該設計的大壩的實際工作狀態,導出了以強度儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式,探討了定量計算考慮各種因素影響的相應設計安全系數的合理取值,並與現行規范方法進行了比較
  3. According to different flow patterns, a new transferring rule for oil - water two phases system flowing model in pipes is built in including the stability rule for stratified flow patterns and transferring border and anti - phase border for deconcentrating patterns and mixture patterns

    根據管內油、水兩相流流型特徵,建立了新的油、水兩相管流流型的轉換。它包括:分層流型的、分散流型和混合流型的轉換邊界及反相界線。
  4. Stability criterion for humanoid running

    仿人機器人跑步
  5. Based on the conclusions of the domestic and foreign researches on the utilization of land resources, this dissertation carries out the research on the sustainable utilization of land resources of liaocheng. in the research, the author selects 30 factors as the evaluated elements from the five norms of productivity, stability, protection, economic force and social acceptability to set up the evaluation system, evaluates the comprehensive level of the sustainable utilization of land resources of liaocheng in the time - and - place - based way from the multi - angles of single standard, and diagnoses the obstructions quantitatively by introducing the two definitions of “ the deviation degree from the standard ” and “ obstruction degree ”, then puts forward the concrete measures for the main obstruction factors in order to provide the scientific basis for the management and quantitative evaluation on the sustainable utilization of land resources of liaocheng

    本論文在借鑒國內外關于土地資源利用研究取得經驗的基礎上,對聊城市土地資源可持續利用進行針對的實踐研究,從生產力層、層、保護層、經濟活力層、社會可接受層五個方面,選取30個因素作為參評因子,建立評價指標體系;運用單指標多角度和基於時點兩種評價方法進行綜合測算,評判出聊城市土地資源可持續利用綜合水平;引進「指標偏離度」 、 「障礙度」概念進行定量障礙診斷,並針對主要障礙因素提出可持續利用具體對策,為聊城市土地資源可持續利用和管理提供定量評價的科學依據。
  6. Abstract : this paper first presents the general design framework of maintenance deployment system in wartime, and then studies the main design criteria : the whole responsiveness, component responsiveness and steadystate efficiency. based on the above, some basic deplyment forms are analyzed and the general design procedure is presented at last

    文摘:給出了設計戰時維修資源設置系統一般框架,提出了設計:整體反應、單元反應態頻率;並運用以上對我軍現實活動中採用的幾種基本部署系統形式進行了分析;最後給出了戰時維修資源部署系統設計的一般程序。
  7. At the part of empirical study, this paper chooses 124 a - stock listed companies from stock exchange of shanghai and shenzhen as research samples, makes use of the step method to filter the 13 possible variables ( including 3 debt - paying ability indexes, 3 operating ability indexes, 4 profitability indexes and 3 cash flow indexes ) in analysis and finally sets up discrimimant models by fisher discrimimant rules with the samples " financial data. then this paper validates the stability of these models using the self - validation and cross - validation before analyzing the prediction ability of these models with outside - validation

    實證研究部分主要以我國深、滬兩市124家上市公司為研究樣本,採用上市公司1998年至2001年的實際財務數據,運用逐步判別分析方法對擬進入模型的13個變量(包括3個償債能力指標、 3個經營能力指標、 4個獲利能力指標及3個現金流量指標)進行篩選,並根據fisher判別建立判別模型,在運用自身驗證法與互動式驗證法對模型的加以驗證后,運用外部數據驗證法對模型的預測能力進行了分析。
  8. According to based on lyapunov ' s mathematical definition of probabilistic stability, the cwr probabilistic stability criterion is proposed on the basis of the first - passage probabilities of stochastic processes

    基於李雅普諾夫意義的概率概念,結合隨機過程跨越理論,提出了無縫線路概率判斷
  9. Topics covered include : properties and advantages of feedback systems, time - domain and frequency - domain performance measures, stability and degree of stability, root locus method, nyquist criterion, frequency - domain design, compensation techniques, application to a wide variety of physical systems, internal and external compensation of operational amplifiers, modelling and compensation of power coverter systems and phase lock loops

    所涉及的主題包括:反饋系統的特和優勢,時域和頻域能度量,定和定度,根軌跡法,奈魁斯特,頻域設計,補償技術,種類繁多的物理系統應用,運算放大器的內部和外部補償,能量轉換系統的建模和補償,以及鎖相環。
  10. The fifth chapter " stock price arfima, garch and figarch model " introduced different kinds of time series models including fractal model, method such as analysis of variance ( anova ) and unit root test to test the stability of time series, method and criteria to estimate the arfima, garch and figarch model

    第五章介紹了股票價格的分形時間序列模型,介紹了檢驗時間序列平的方差分析和單位根檢驗方法以及非平的處理方法, arfima , garch和figarch模型的建模方法和股票市場的分形特徵和股票價格的figarcll模型叭穴參數估計方法和估計
  11. This thesis studies the stability criteria and applications of two classes of retarded dynamical systems, which are linear differential - difference systems of retarded type with two delays and neutral type with multiple delays

    本文研究了以下兩類時滯動力系統的及應用:兩時滯時滯型和多時滯中立型線微分-差分系統。
  12. The conditions for being stable at unique positive equilibrium point and for the existence of limit cycle of prey - predator system with sparse effect are analysed. the biological significance is discussed

    摘要對一類具有稀疏效應的食餌?捕食系統,給出了唯一正平衡點全局漸近定的充分條件和存在唯一極限環的充要條件等一些定質的判別及其生態意義。
  13. Based on these definitions, all kinds of the equilibrium points are analyzed in control systems with single saturated input. by the above facts, it is necessary in analyzing globally asymptotical stability of the origin that the other asymptotical stability equilibrium points are false ones

    在此基礎上,論證了單飽和輸入下,開環,閉環均定或其一定時的平衡點的分佈規律及判別最後指出,當原點全局漸近定時,其餘非零定平衡點均為偽平衡點的必要
  14. With the above stability criteria, this thesis studies the stability of three systems which are a delayed stirred tank control system, a delayed ecosystem, and a lossless transmission line

    3應用上述,分別研究了攪拌槽控制系統、一類生態模型和無損傳輸線的時滯。對第一個系統,獲得了參數空間下的時滯無關定區域。
  15. A propbr data structure is used to assist grid generation for different geometric dimensions. a concept of entropy in broad sense is proposed for convective - diffusive problems in chapter 7. it is proved that there is an intrinsic relationship between the stability of the numerical schemes of the convective - - diffusive differential equations and the non - negative property of the entropy generation caused by the effective diffusion

    第七章提出了對流擴散問題中的廣義熵概念,研究了擴散熵產非負特徵與數值格式的內在聯系,分析證明了擴散熵產非負定及統計非負定,探討了與模擬之間的矛盾與聯系。
  16. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠設計與可靠保障技術時,提出了石油測井儀器的可靠計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠保障技術及其使用方法:根據最新可靠理論,建立了石油測井儀器的可靠系統模型,探討了石油測井儀器的可靠指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字濾波的基本理論、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析;從獲取平段真值、地層邊界的檢測與處理兩個方面,建立了數字濾波效果的評價( rvi , rmse , sfi ) ,給出了相應的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪測井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分數字濾波方法的定量研究,給出了靈活可選的數字濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處理。
  17. In the actual ( ( code for steel structure design } ) ( gbj 17 - 88 ) and for the ( ( technical specification for steel structure of light - weight buildings with gabled frames ) ) ( cecs 102 : 98 ), the calculation method for the stability of the members is : obtaining the axial force through the analysis of the linear - elastic inner force of the whole structrue, then checking the stability inside and outside the plane respectively on the foundation of the yielding rule of the edge

    我國現行《鋼結構設計規范》 ( gbj17 - 88 )和《門式剛架輕型房屋鋼結構技術規程》 ( cecs102 : 98 )對構件的定計算方法是:先對構件進行整體線彈內力分析,得到構件的軸力和彎矩;再根據邊緣屈服對構件分別進行平面內和平面外定驗算。
  18. Another elementary proof of the stability criterion of linard and chipart

    的一個初等證明
  19. Delay - dependent stability criteria for uncertain time - delay systems

    不確定時滯系統的時滯相關
  20. The stability criteria and preliminary applications of the above systems have been developed in this thesis. the main work is as follows : 1

    是動力學研究的重要課題,本文獲得了上述兩類系統的並進行了初步應用研究,主要工作如下: 1
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