mathematical stability 中文意思是什麼

mathematical stability 解釋
數學穩定性
  • mathematical : adj 數學(上)的,數理的;嚴正的,精確的。 mathematical instruments 制圖儀器。 mathematical logic...
  • 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. This paper analyzes the groundwater discharging course using fluidics theory and combining quay structure construction ; sets up the method of fast drainage by the dint of pipeline and blind ditch of fragment stone ; and gives the computational mathematical model for quay drainage and calculation formula for drainage process according to the principle of conservation of mass and underground percolation, which have been applied for quay ' s stability design and calculation

    應用流體力學理論結合碼頭結構建設,分析了地下水排泄過程,藉助管道和碎塊石盲溝建立了港口碼頭快速排水與擋墻基床排水的方法;運用質量守恆定律和地下水滲流原理,建立了港口碼頭排水計算數學模型和排水過程計算公式,並用在了碼頭的穩定設計計算中。
  2. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果
  3. Mathematical model and formulations of a new tilt - rotor aircraft for aeroelastic stability analysis

    新型傾轉旋翼機氣動彈性穩定性分析模型
  4. In the paper, based on random block theory, a mathematical model is developed for reliability analysis of 3 - dimensional abutment stability against sliding. calculative formulas of reliability analysis are given

    本文以隨機塊體理論為基礎,建立了拱壩壩肩三維可靠度分析的計算模型,推導了分析其可靠度的基本公式。
  5. ( 2 ) it applies in - situ monitoring technique to access deformation of braced country rock and evaluation of its stability. mathematical statistics and grey prediction model are applied to the latter deformation prediction

    ( 2 )採用現場監測技術對軟巖隧道支護后的圍巖變形進行監測,根據隧道圍巖的變形監測數據,評價軟巖隧道圍巖的穩定狀態,用數理統計的方法及灰色預測模型對圍巖的後期變形進行預測。
  6. 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穩定性概念,結合隨機過程跨越理論,提出了無縫線路概率穩定性判斷準則。
  7. This paper has launched exhaustive analysis and study to every module of pll and its key part ( vco ) is also improved. the history of phase - locked technology and the actuality of research on it are introduced. and then beginning with the fundamental principles of a phase - locked system, we build the mathematical model based on the architecture of the traditional analog pll, and afterwards investigate some of its characters such as tracking, acquisition, noising, and stability

    本文在對鎖相技術的發展歷史和研究現狀調查研究的基礎上,從鎖相系統的工作原理入手,分析了鎖相環的數學模型,並以此為出發點對其跟蹤性能、捕獲性能、穩定性及噪聲性能等性能進行了較為深入的研究,對環路的各項參數指標進行了詳細的推導,得出了鎖相環數理分析的普遍結論。
  8. By surveying the sample plot, the relations between the stabil ity of the mountai n slope of soil preparation for planting by using explosion and other factors s uch as precipitation, terrain , were studied. by using the method of quantitative t heory i, the interrelation between the damaged degrees of soil preparation progra ms by using explosion in low mountain area with abundant precipitation and terrain factors was systematically analysed, and the mathematical models relate d were developed. the results show that the precipitation in early days and the m aximum precipitation per day are the primary factors causing the soil prepara tion program damaged. the main terrain factors of the mountain slope that affect the program stability are according to their importance, slope, position and dir ection. the suitable mountain slope for soil preparation by using explosion is th e slope of less than 25

    通過典型標準樣地調查資料,探討了造林爆破整地工程的坡地穩定性與降水、地形等因子的相互關系,應用數量化理論,對在有充分降水條件下的低山丘陵區的爆破整地工程損失程度與地形因子之間的關系進行了系統分析,並建立了相應的數學模型,研究指出,充分的前期降水和日最大降雨量是引起爆破整地工程損失的激發因素;影響爆破整地工程穩定性的主要地形因子是地面坡度,其次為坡位、坡向,實施爆破整地工程的地面坡度以不超過25為宜。
  9. According to the measuremental data of the two ammunications, the anti - designed computation and analysis of aerodynamic characteristic, flight stability, exterior ballistic characteristic for the two ammunications are studied with the advanced methods of the exterior ballistics. using the monte calo algorithm, the statistic mathematical model about ammunication ' s intensity is established and the 1000 miter vertical target intensity and the fall intensity are discussed in detail for the two ammunications. the improval potential and the main technical approachs of these ammunication ' s exterior ballistic performances are presented by compositive optimal algorithm

    根據工廠對俄ak130艦炮彈藥的測繪數據,利用先進的外彈道數值分析方法對兩種彈藥的空氣動力特性、飛行穩定性特性、外彈道特徵量等進行了反設計計算分析;採用montecarlo方法,建立了艦炮彈藥密集度性能統計分析數學模型,對兩種彈藥的立靶密集度和地面密集度進行了詳細的計算分析;利用外彈道性能綜合優化設計方法對兩種彈藥的外彈道性能指標的改進潛力和主要技術途徑進行了分析。
  10. Based on the treatment engineering of 26 kilometers lacustrine deposits soft soil foundation in han - sha sect of yi - huang freeway, the paper, through the means of centrifugal model test and field observation, establishes mathematical analysis model, completely and detailedly researches and analyses the stability of lacustrine deposits soft soil foundation and the rule of settlement, guides the large - scale construction of yi - huang freeway 26 kilometers soft foundation treatment, educes the settlement characteristic and the rule of lacustrine deposits soft soil subgrade, summarizes the scientific measure of effectively controlling the stability and settlement of such kind of foundation

    本文以宜黃高速公路漢沙段中的26公里湖相沉積軟土地基的處理工程為依託,通過採用離心模型試驗與現場原位監測相結合的手段,建立數學分析模型,對湖相沉積軟土地基的穩定性及沉降規律進行了全面、細致的研究與分析,指導了宜黃高速公路26公里軟基處理的大規模施工,得出了湖相沉積軟土地基路堤沉降特性及規律,提出了有效控制此類地基穩定性及沉降的科學措施。
  11. On the basis of the safety system engineering theory. applying the dow fire & explosion index and the normal stability gauss mathematical diffusion model etc., combining with the practice of mouping port, the hazards during the handling and storage of liquid chemicals in bulk have been analyzed and the risks of fire explosion and leakage ( including water pollution and water pollution ) have been assessed. taking into account of insufficient consideration of the human factor in the dow fire & explosion index, the soft compensation coefficient has been raised

    本文以安全系統工程為理論基礎,運用道氏火災爆炸指數法、平均運動方程組以及常穩態高斯數學擴散模型,結合牟平港散化運輸、裝卸的實際,對牟平港散化儲運的火災爆炸危險性和毒物泄漏危險性(包括水污染性和大氣污染性)進行了定性和定量的分析評價。在評價程序上,針對道氏火災爆炸指數法中對人為因素和管理水平等考慮不足的問題,提出了軟補償系數的概念,找出了散化碼頭日常監督管理工作的重點。
  12. The design of ride control system is a typical project of system integration, the contents of the first year ' s research include mathematical model, control law, computer software / hardware, man / machine interface, control circuit, hydraulic power system and transmission mechanism design, a prototype had also been built to verify the stability and performance of the system

    本計畫將以船舶運動控制系統商品化為目標,研究控制器軟硬體系統之簡化,提升控制器硬體系統訊號傳輸之品質及側向穩定翼之機構設計,最後並期對運動控制器軟硬體分項功能與整體機構功能作驗證。
  13. Crystal morphology and growth mechanism of sphalerite crystallites were studied by formulating the mathematical model and calculating the stability energy of the growth units on the basis of the theoretical model that the growth units are polyhedral structure of coordinative anions

    摘要本文從負離子配位多面體生長基元模型出發,建立了閃鋅礦晶體生長基元的數學模型,通過對閃鋅礦晶體生長基元穩定能的計算,討論了閃鋅礦的結晶形態和生長機理。
  14. According to the analysis of the gate, the author put forward a mathematical model of the optimization design of the hydraulic automatic tilting gate, and then worked out the structural stability optimization design program of the hydraulic automatic tilting gate. then by the calculation of the program, a better design for a certain project was gained

    根據對翻板閘門的運行分析,提出了翻板閘門優化設計數學模型的一般表達式,並據此編制出水力自動翻板閘門的結構穩定性優化設計程序,對某一工程實例,通過程序的計算,得到了較理想的設計成果。
  15. In order to accomplish the global performance of the forklift truck, the author founds the mathematical model of the stability calculation, driving capability calculation, lifting capability calculation through the trials, design experience and national criterions. and then, the author carries out the mathematical model with the delphi language and makes it a release software

    為了實現平衡重式蓄電池叉車的總體性能參數確定,首先通過試驗、設計經驗以及國家標準,建立蓄電池叉車性能參數設計計算? ?穩定性計算、行駛性能計算、起升性能計算的數學模型,然後將數學模型用delphi語言編成具有人機對話功能的設計軟體。
  16. The non - linear partial differential ( integral ) equation often needs to be solved in the computational hydraulics, however, the mathematical theory of its numerical method has yet not been sufficient at present, for example, the development of some theories such as the strict stability analysis, error estimate and convergence proof has been unable to keep pace with the development of the numerical simulation method

    計算水力學中所求解的是非線性偏微分(積分)方程組,其數值方法的現有數學理論尚不夠充分,嚴格的穩定性分析、誤差估計和收斂性證明等理論工作的發展還跟不上數值模擬方法的進展。
  17. Reference the existing spreader, this text designed spreader experiment model on the basis of lectotype design, established leveling device approximate mathematical model. and analyzing the stability and the dynamic characteristic of transverse and longitudinal slope control system

    參考現有攤鋪機機型,在選型設計的基礎上設計了攤鋪機試驗模型,建立了調平裝置的近似數學模型,並對橫縱坡控制系統的穩定性和動態特性進行了分析。
  18. Using probability theory and mathematical statistics, probabilistic model on randomicity of the dynamic stability analysis system are built

    應用概率論和數理統計方法,建立了無縫線路動力穩定性分析系統中的隨機不確定性的概率模型。
  19. The mathematical model of new type aircraft arresting system is established in detail, and the unique solution of differential equation and the stability and the motion and control characteristics of the system are proved and analyzed

    詳細建立了新型飛機攔阻系統的數學模型,並對微分方程解的唯一性、系統的穩定性及運動特性、控制特性進行了證明、分析。
  20. Stability analysis of solutions to the mathematical model describing a class of biomass increases

    一類生物種群增長的數學模型解的穩定性分析
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