計算控制面積 的英文怎麼說

中文拼音 [suànkòngzhìmiàn]
計算控制面積 英文
accounts control area
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  • 面積 : [數學] area
  1. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    ( 3 )進行了應用理論和三維歐拉方程的機翼氣動反設研究,以及有升力約束情形下機翼跨音速減阻問題研究,分別推導了相應的共軛方程及邊界條件數學表達形式,研究與發展了三維共軛方程的有限體數值求解方法,及相應梯度公式的數值求解方法,通過對網格生成、流場、共軛方程數值求解、梯度求解和優化演法等多方的有效結合,成功發展了三維機翼的氣動反設和跨音速減阻優化設程序,成功地進行了多個設例研究。
  2. Using these data, we estimated cotton planting farmers " pesticides application equation and damage control production function, calculated the impact of bt cotton on pesticides use and cotton yield, and compared the poisonging probability due to pesticides application between bt cotton and non - bt cotton planting farmers. using bt cotton adoption area and the above results, this paper calculates the impacts of bt cotton on pesticides application, cotton production and poison cases all over china since the beginning of its adoption in china in 1997. the results demonstrate that the adoption of bt cotton reduced pesticides use approximatly 35kg per ha ; this is equivalent to 875 yuan of cost reduction

    利用這些數據我們估了種植棉花(包括轉基因抗蟲棉和非抗蟲棉)農產農藥施用方程和棉花損失生產函數( damagecontrolproductionfunction ) ,估了抗蟲棉對棉花農藥使用和棉花產量的影響,同時比較了種植bt棉與非bt棉農產在使用農藥過程中中毒概率的差異,在此基礎上,利用抗蟲棉在全國各地的推廣以及以上的分析結果,測了1997年以來抗蟲棉的推廣對全國棉花農藥使用量、棉花產量以及棉農施農藥中毒事件的影響,並對其經濟影響的不同受益者作了分析分解。
  3. The purpose of this dissertation is to study the lagrangian method and conservative rezonning algorithm. finite volume scheme is used for lagrangian equations of hydrodynamics. because of the pressure gradients " influence upon velocities and energy, computational scheme is proposed for momentum equation on two control volumes in order to suspend the time when the mesh becomes distorted

    本文的目的是研究lagrange方法及重映演法,主要內容可分為以下幾個方:首先從分形式的二維lagrange流體力學方程組出發,用有限體格式進行,考慮壓力梯度分佈對速度和能量改變的影響,構造了在兩個體上的動量方程的格式,使得速度的改變受其周圍八個壓力的影響,在一定程度上推遲了網格相交的進程。
  4. The results show that the precision of the model is well, but the influence to the precision of the model in the prediction of field runoff can ' t be ignored

    分析結果表明,該模型應用於小徑流時精度很高,但在進行野外坡徑流量的預測時,不能忽略的大幅擴大對模型預測精度的影響。
  5. ( 2 ) for estimation of influences of hydraulic engineering ( control factors ) on floods, a reservoir regulation model is established based on calculation units controlled by each reservoir and reservoir system co - operations

    建立了以每個水庫單元的水庫(性因素)對洪水影響模型。
  6. At the same time, liquid crystal science harvests satisfyingly, its research field has extended to physics, chemistry, electronics, biology, etc. surface orientation of liquid crystal molecule ( lcm ) is a key technique in the application of lcd, the effect of orientation plays an important role in the basic performances, such as uniformity, visual angle, aberration, response, threshold of voltage and so forth

    液晶自1976年在世界上首次應用於器的顯示屏以來,就以其輕量、薄型、能耗低、顯示大等優勢在顯示應用方得到迅猛發展,而同時,液晶科學也得到了全發展,研究領域遍及物理、化學、電子學、生物學等各個學科。液晶分子取向技術是液晶板顯示應用中的一個關鍵技術,取向程度的好壞對液晶顯示器的均勻性、視角、色差、響應速度、閾值電壓等基本性能都有重要影響。
  7. With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability

    在渠道縱橫斷優化方,本文在利用已經比較成熟的縱橫斷優化理論的基礎上,提出以工程總費用最小為目標函數,以渠道縱坡i為變量,以渠道不沖不淤流速及灌區允許地比降為約束條件,通過縱橫斷聯動優化的方法得到渠道的最佳工程可行的斷參數。另外,針對部分地區的取土困難的狀況,本文採用分法渠道工程土方量,從而大大提高了土方量的估精度,有助於準確工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原理,最後應用本系統對泰州市翟家村機電灌區進行規劃設,運行結果證明其操作比較簡便,界友好,運行速度快,規劃成果合理,基本達到了系統預定的要求,具備較強的實用性。
  8. Spindle flowmeter, a new type of differential pressure flowmeter, is used as the sensor of flow measurement. and aiming for a small and intelligent design, we use the mcu named sst89e564rd as the main controller, the leds and the keyboard as the user interface

    本著小型化、智能化的原則,該儀採用sst公司的微器sst89e564rd作為核心,並設了由數碼管和矩陣式鍵盤組成的人機對話介
  9. The various functions inside the virtual spectrum analyzer introduced in the paper is time domain wave analysis, fft transfer, ifft transfer, cross analysis, and so on, which are all described in function controls. finally, this paper introduce the assemble of intelligent controls - oriented virtual instrument. and use classical signals and industrial practices to demostrate the accurate of virtual spectrum analyzer

    本文介紹的智能項化頻譜分析儀所具備的功能,有信號的時域分析、 fft變換以及ifft反變換、信號的微分運、信號的頻譜分析、信號自功率譜密度函數、信號互功率譜密度函數、頻率響應函數和相干函數,都是集成在功能項裏的。
  10. 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

    針對上提到的直接轉矩的缺陷和未來直接轉矩技術發展方向,本論文重點做了以下幾個方的工作,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,結合ti公司生產的tms320lf2407晶元,設了直接轉矩系統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調的串列實時通信協議; ( 5 )基本勾勒出整個系統的硬體和軟體設基本框架,詳細描述一些實驗中的具體的細節問題。
  11. By combining the parameter smooth projection algorithm and the integral - type lyapunov design technology with the sliding mode design technology with boundary layer, the performances for the system to avoid the parameter drift phenomena, the chattering phenomena, and the controller singularity problem were improved

    通過將參數光滑投影演法,帶飽和層的滑模技術以及分型李雅普諾夫設技術集成起來,使得演法提高了系統在抑參數漂移、抖振現象、器奇異等方的能力。
  12. Method national system sampling survey of the area of four kinds work place of institution of disease prevention and controlment, compute the proportion, and compare with standard

    方法全國系統抽樣調查省市縣各級疾病預防機構的各類工作用房構成比,和建議標準進行比較。
  13. 2. based on the analysis of the historical evolution of jinan springs ' spurting, a quantity equation between the anaual average spring discharge and the anaual lowest water table is built according to the statistic data, which enable us to gain the corresponding relation between baseline water level and the smallest scenic discharge of spring gushing. then the groundwater discharge in the spring area is calculated and the controlling parameter of maximum available amount of groundwater exploiting is obtained

    泉域總1486平方公里。 (二)通過分析濟南市泉群噴涌歷史統資料,首先建立泉群年平均噴涌量與年最低地下水位之間的定量方程,得出四大泉群噴涌的底限水位與最低景觀流量的對應關系,然後,泉域內地下水的入滲補給量,再得出保證泉涌的地下水最大允許開采量的性參數。
  14. An optimizing arithmetic for calculating the best - fit sphere is also proposed, the result shows better accuracy is reached comparing to " three points method ", from 107. 8umrms to 25. 66umrms. during interferometric optics test with null lens, " nonlinear errors " of the testing coordinates will be introduced. a method based on ray - tracing, nonlinear fitting and coordinate transferring is proposed to eliminate these errors

    在ccos模型及理論,提出了一種適用於高次離軸非球最接近球的優化演法,經,某矩形離軸非球最接近球半徑的求解精度較傳統的「三點法」有了較大的提高,理論加工余量由原來的107 . 8umrms降低到25 . 66umrms ;提出一種基於磨頭與工件的相對位移量的模型,並且開發了阻尼卷迭代演法,引入「虛擬加工」的概念進行迭代求解和參數評價。
  15. Embedded system is a computer system, which is focus on application, based on computer technology, and its software and hardware could be pruned, besides embedded system has particular requirement for its reliability, cost, volume and power consume. embedded system is relative to computer system structure, encode theory and work theory, and come down to all kinds of computer interface and memory technology, such as serial and network interface, flash and sdram memory technology. the processor and interface and memory device will be difference when referring to different applications, but, as far as the researching and developing method of embedded system, they are generally same

    嵌入式系統是以應用為中心、以機技術為基礎、軟硬體可剪裁併對功能、可靠性、成本、體和功耗都有嚴格要求的專用機系統,涉及機系統的體系結構、編譯原理和工作原理,涉及到機的各種介和存儲應用,如常用的串口、網路等介和flash 、 sdram等存儲技術,此外,因嵌入式系統的應用不同,處理器和介及存儲設備都會有所不同,但就嵌入式系統的研究與開發方法來說有許多相同之處,因而深入研究和設某種嵌入式系統具有深遠的意義。
  16. The method of human scale sets out from the basic principle of the human body dimensions, analyzes the shopping behavior characteristics of the customers, builds up the relation mode of the customer ' s mutual behaviors and puts forward the calculation method and formulas of the area per customer, forward the control factors of actual evacuation numbers of the store building

    人體尺度法從人體尺度的基本原理出發,分析研究顧客的購物行為特點,建立顧客相互行為的關系模式,提出商店營業廳顧客人均方法和公式,以及商店建築實際疏散人數的要素。
  17. Perfection and adjustment according to system properties, it combines genetic algorithms with fuzzy control, detailed analyzes the problem of designing fuzzy controller and proposes two advanced schemes : first scheme : the change - of - variables are emerged into input variables of the simple fuzzy controllers of oil feeding pump system as one variable, and one pi block is connected after output of fuzzy controllers, consequently the structure of the improved fuzzy controller is analyzed, finally genetic algorithms with adaptive probabilities of crossover and mutation is applied to optimize membership functions and fusing factors of the fuzzy controllers, and the simulation results of before and after optimization are compared

    由於在模糊器的設過程中存在較多的人為因素,為了實現根據系統特性對模糊規則和隸屬函數進行自動修正、完善和調整,本文將遺傳演法和模糊結合起來,並針對前的模糊器中所存在的問題進行了詳細分析,提出了兩種改進方案: 1在簡單模糊器的輸入變量中加入了變量變化率的信息,即將輸入變量和變量的變化率融合為一個輸入量,並在模糊器的輸出端加入比例、分環節,然後分析了這種改進后的模糊器的解析結構,最後採用改進后的自適應遺傳運元的遺傳演法對模糊器中的隸屬函數和融合因子進行優化,並將優化前後的結果作了比較和分析。 2
  18. Method national system sampling survey of lab area of institution of disease prevention and controllment, compute two kinds of indexes : the rate of lab area and per person lab area

    方法全國系統抽樣調查省市縣各級疾病預防機構的實驗室用房實驗室用房所佔比例和人均實驗室用房兩個指標。
  19. The project is used which measuring instrument moved along axis and the measured quartz tube rotated and fixed ort a position. according to data of outer diameter and wall thickness of different sections and positions, it can calculate the parameters of section area, ellipticity, wall thickness error, flexibility and so on

    系統將激光掃描綜合測量儀、直線與回轉伺服系統和機有機地結合,採用測量儀軸向移動,而被測石英管在固定位置上轉運而不移動的測量方案,根據測量出多個截和多個不同位置的外徑和壁厚數據,出被測石英管的截、橢圓度、偏壁度、彎曲度等其它參數。
  20. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有限元方法,進行地震作用。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等原則下,異型柱代換矩形柱后,結構剛度增大,側向位移明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體坐標夾角為0度時,結構地震作用效應較大,屬結構設因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用,兩種方法所得結果基本一致。
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