control coefficient 中文意思是什麼

control coefficient 解釋
控制系數
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  • coefficient : adj. 共同作用的。n. 1. 共同作用;協同因素。2. 【數,物】系數,率;程度。
  1. The results showed that the number of polyhedra obtained by the staining method was less than that by hemacytometer, but the coefficient of variation of the samples was lower than that of hemacytometer method, thus the staining method can be used in quality control test of virus insecticides

    該染色計數法測得的多角體數量要低於血球計數板的計數結果,但變異系數較血球計數板計數法顯著較小,結果穩定,適用於病毒殺蟲劑的質量檢測。
  2. Next analyzed were the characteristics of natural gas pipeline transmission ; cost, ratemaking principle, method of acquiring the pipeline transmission fee, constitution, calculate, management and control after that, wt ; compared service cost methods with economic evaluation methods and the one - part pricing method with the two - part pricing method. later on was introduced the regulate coefficient of pipeline transmission fee structure, established the modificatory two - part pricing method, and found out a natural gas pipeline transmission pricing method that is fit for china ' s current situation. finally, we validated the rationality and applicability of this metho j by the demonstrational analysis on the natural gas pipeline transmission price of " the gas transmission from west to east " pipeline this paper ' s research fundamental is : the fundamental of natural gas pipeline transmission pricing should reflect the characteristics of natural gas pipeline transmission

    本文首先論述了自然壟斷行業的價格理論,然後分析了天然氣管輸的特點、定價原則及管輸費的收取方式、成本、構成、計算及其管理與調控;在此基礎上比較了中外天然氣管輸定價的服務成本法與經濟評價法,一部制定價法與兩部制定價法等;針對目前我國天然氣管道運價的制定現狀,本文深入研究了國際通用的天然氣管輸定價方法,引入「管輸費結構調整系數」的指標,建立修正的兩部制定價方法,找出了一套適合於我國當前國情的恰當的天然氣管輸定價方法,並通過「西氣東輸」管線加以實證分析,驗證了方法的合理性和適用性。
  3. The parameter control methods are very similar to penalty function methods, both of them are to solve constrained optimization problems by solving a series of sub - unconstrained optimization problems. but parameter control methods are different from penalty function methods. firstly, the penalty coefficient of penalty function methods are preassigned, while the parameters of parameter control methodsare generated automatically according to some rule prescribed

    參數控制演算法雖然與罰函數法非常類似,都是通過求解一系列無約束極小化問題來逼近約束優化問題的最優解,但罰函數法中的罰因子是預先設定的,而參數控制演算法中的參數是自動產生的。
  4. The way to get ko was given in this paper. by this way, the turbulence control equations were constructed from reynold equations with static pressure supposition and boussinesq ' s turbulence viscidity coefficient supposition and the salinity transportation equations, which are representative of the matter transportation equations, are given. the integrated deduction and corresponding boundary conditions are also given

    根據上述思想,從雷諾方程出發,採用靜壓假定和包辛內斯克的紊動粘性系數假說,建立了新坐標系中的紊流控制方程組,同時給出了對物質輸運過程具有代表性的鹽度輸運方程、相應的邊界條件及完整的推導過程。
  5. Analysis of the electrostatic accelerometer gas damping coefficient and its influence to the control system characteristic

    靜電懸浮加速度計氣體阻尼及其對控制系統特性影響分析
  6. This article described the deformation features of taojiaba landslide and analyzed the inner factors, geologic setting, topography, morphology, stratum, lithology and texture, and the external influence factors, precipitation, flood, human activity, neotectonic activity and earthquake, and the transform features of landslide in the near future, and evaluate stability of landslide through the section coefficient method calculation on basis for landslide mechanism analysis and control work

    摘要陶家壩滑坡基本特徵顯示,滑坡變形的主要影響因素有:地質環境因素(地形地貌、地層巖性、物質結構) 、外界影響因素(降水因素、洪水因素、人為因素、新構造及地震) ,以及滑坡近期變形特徵,通過剖面遞推系數法計算,對滑坡的穩定性進行了評價,為滑坡機制分析和優化整治措施提供依據。
  7. ( 1 ) the posterior distribution of the coefficient matrix, the precision matrix and covariance matrix, and their bayesian estimation under the matrix normal - wishart conjugate prior distribution. ( 2 ) the deduction of the predictive distribution, proved to be matrix t distribution. ( 3 ) the designs of bayesian multivariate mean value control charts in terms of the relationship between the multivariate wishart distribution and x2 distribution, the bayesian process capability index and its confidence lower limi

    通過多方程模型系統的統計結構,證明了矩陣正態? wishart先驗分佈是模型參數( , )的共軛先驗分佈,研究了該先驗分佈下模型系數矩陣、精度陣和協方差陣的后驗分佈及其貝葉斯估計,對模型預報密度函數進行了嚴格的數學推導,並將其應用於多元質量控制領域,構造了貝葉斯均值向量聯合控制圖;結合wishart分佈與x ~ 2分佈之間的關系,設計與推斷了貝葉斯多指標過程能力指數及其貝葉斯置信下限。
  8. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均相關系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  9. In addition, the approximate formula for coefficient k p, ki, kd is also suggested by using characteristic index of forecast control. finally, through emulation, the fractional - order pi ~ d ~ arithmetic is compared with the integer - order pid arithmetic. the availability of the strategies and stability of systems are proved by doing some analysis and simulation

    然後利用根軌跡的方法分析了擁塞控制系統的穩定性,並在此基礎之上採用廣義預測控制方法所應用的特性指標求出了k _ p , k _ i , k _ d的近似計算公式。
  10. Thirdly, comprehensive attribute method and risk coefficient are used to comprehensively evaluate the risk of the three sites so as to identify key risk factors and evluate the whole risk probability. fourthly, optimal scheme is selected via comparing schemes of the three plant sites through using investment model based on maximum shannon rule. lastly, measures to monitor and control risk consisting in this project are analyzed

    在對該項目三個備選廠址的風險識別的基礎上,利用極大熵準則對各廠址存在的風險進行估計,得出各風險發生的概率,然後利用綜合屬性度法和風險系數對各廠址存在的風險進行綜合評價,找出了關鍵風險,並得到了該項目的整體風險水平,進而通過基於極大熵準則的大型工程投資決策模型對該項目的廠址選擇方案進行決策,選出了最優方案,最後,分析了該項目中存在的風險的應對監控措施。
  11. In this paper, we deduce the decoherent factor in theory, and then we control decoherence by varying coupling coefficient

    本論文從理論上推導了退相干因子,隨后,通過改變耦合系數,對退相干進行控制。
  12. Aim at ubiquitous parallel multi - reservoir structure in our country ' s basin, the universal objective function including coefficient bi embodying a spatial significance difference at different flood control points and variable ai denoting a selection of scheduling mode is established, which provide a valid intervenor interface for flood control consultation decision. according to the real - time requirement, a model of reservoir storage allocation is proposed, which embody basic idea of phasic compensation. passing the dynamic correction to cut down the disadvantageous influence that indetermination result in on the certain degree, joining together the step alternation solving method, this model can maximally consider bias of decision makers, ensure the rationality and practicability of the solutions

    針對我國流域中普遍存在的並聯庫群結構,論文提出包含不同防洪點重要性的系數_ i和選擇調度模式的變量_ i的通用目標函數,為防洪會商決策,提供了有效的人工干預介面,根據實時性要求提出動態分配防洪庫容的庫容分配方法,體現了相機補償的基本思想,通過動態修正在一定程度上可以削減不確定性造成的不利影響,結合分步迭代求解技術,能最大限度體現決策者的偏好,保障解的合理性和可操作性。
  13. When the adhesion coefficient is close to the maximum tire - road friction coefficient, the current adhesion coefficient is used as maximum tire - road friction coefficient to control the drive torque

    當觀測到? -曲線接近於峰值點時,將該時刻的輪胎利用附著系數作為路面峰值附著系數,並根據識別的路面峰值附著系數進行驅動防滑控制。
  14. It is shown in the simulation that sliding mode control can guarantee the stability and robustness while vehicle is braking even if abs operates at the instability region of the adhesion coefficient and wheel slip curve or the surface condition changes, which is better than the pid control and nonlinear pid control

    模擬結果顯示,即使在附著系數和滑移率關系曲線的不穩定區域,或是路面狀況發生變化,滑模控制也能保證制動的穩定性和魯棒性,其控制效果優于pid和非線性pid控制效果。
  15. There are 3 parts of heat loss for gas boiler, including heat emission loss, uncompleted burning loss and fume hot loss, uncompleted burning loss decreases following the increase of excess air coefficient, while fume hot loss increases. it is obvious that there exit an optimum coefficient of excess air which make boiler own highest efficiency which is the purpose of burning control

    不完全燃燒熱損失隨過量空氣系數的增大而減小,而排煙熱損失隨過量空氣系數的增大而增大,不難看出,存在一最佳的過量空氣系數使得兩者之和最小,即使得鍋爐的熱效率最高,燃燒控制的目的即在於此。
  16. A hydrogen and argon ions mixing beam was implanted into the deposited vanadium oxide film. after annealing, vo2 film with tcr ( temperature coefficient of resistance ) as high as 4 % was obtained. the bombardment of ar + could break v - o bond of v2o5 molecule in deposited film and implanted h + resulting in the deoxidization of v2o5, so the vo2 thin film could be prepared by proper control of the dose of ar + / h + implantation

    利用離子束增強沉積設備,在ar ~ +離子束對v _ 2o _ 5靶濺射沉積的同時,用氬、氫混合束對沉積膜作高劑量的離子束轟擊,使得被氬離子轟擊后斷鍵的氧化釩分子,再被注入氫降價,然後經適當的退火,成功地制備了熱電阻溫度系數高達4的vo _ 2薄膜(國外報道值為2 - 3 ) ,並研製了單元懸空結構探測器和8 1 , 16 1線性陣列。
  17. Optimal periodic control with the lowest operational cost by limiting total substrate discharge mass was studied. through adding new state variable and using supplement functions, the problem with restriction conditions was converted into nonrestriction problem. in addition, the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method, consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better. it was found that the operational costs of optimal control under various initial states are distinctly different. a new concept of optimal control under optimal initial state was presented. it is pointed out emphatically that to the treatment system without optimal control condition, the suboptimal control with extensive practical value can be realized according to the results of optima control

    著重研究了在限制有機物排放總量時,使其運行費用最低的最優周期控制問題.通過增加新的狀態變量和用補償函數法,將本課題的有約束條件問題化為無約束條件問題,並提出了最優步長參數的動態搜索法來修改傳統的梯度法,從而較完善地解決了多變量最優周期控制的計算問題.研究中還發現了不同初始條件下最優控制所需要的運行費用也大不相同,進而提出了最優初始狀態下最優周期控制的新概念,這對保證出水質量的同時進一步降低污水處理成本來說具有更重要的意義.本文還強調指出:對于尚不具備實現最優控制條件的處理系統,可根據最優控制的研究結果實現具有廣泛實用價值的準最優控制
  18. The risk discount rate of shaanxi relics tourist project finance is based on the theory of capital asset pricing model, and accorded with capital market joined in the project. founded upon the research of risk - free rate ( rf ), capital market average advantage rate ( rm ), risk coefficient ( ) and etc. this discount is the basic payoff that can reflect risk and earning in relics tourist project correctly. to define this risk discount rate has a practical significance for large relics tourism project, also, it is instructive to the negotirfim befor the project, the control of risk periold of exercise and the completion of the project

    陜西遺址旅遊項目融資風險貼現率的確定是以資本資產定價模型為理論基礎,以與項目相關的資本市場為依據,在對項目的無風險收益率r _ ( f , )資本市場平均收益率r _ ( m , )和項目風險系數等參數的定量研究的基礎上分析得來的能正確反映陜西遺址旅遊項目開發過程中的風險與收益之間關系的期望收益率。
  19. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,動態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。
  20. Shielded control coefficient

    屏蔽抑制系數
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