閉合運算 的英文怎麼說

中文拼音 [bìgěyùnsuàn]
閉合運算 英文
closure operation
  • 閉 : Ⅰ動詞1. （關; 合） close; shut 2. （堵塞不通） block up; obstruct; stop up Ⅱ名詞（姓氏） a surname
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 閉合 : close; shutting; synizesis; synezesis; occlusio; closure; make; occlus-; occluso-
  • 運算 : [數學] operation; arithmetic; operating
  1. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  2. Second, we discuss composition operators on bloch space with closed range. by using a distortion theorem of bonk, minda and yanagihara about bloch functions, we obtain the sharp estimation of the lipschitz continuity of the dilation of bloch functions. then, we improve a theorem of ghatage, yan and zheng about composition operators on bloch space with closed range

    其次研究了bloch空間上有閉值域的復合運算元，先利用bonk 、 minda和yanagihara關于bloch函數的一個偏差定理，得到bloch函數伸縮率的lipschitz連續性的精確估計式，用這個估計式改進了ghatage 、 yan和zheng關于bloch空間上關于有閉值域的復合運算元的一個定理。
  3. Many shipping businesses face ~ this year because of uneconomic freight rate

    今年許多船運公司因運費率不合算而面臨倒閉。
  4. This approach is performed by releasing some loads required to maintain the rest system in safe operation in overload cases and opening all of the switches in the blackout areas in case of fault, and then closing proper switches to restore the unfaulted - blackout areas

    本演算法在系統發生過負荷情況下，能適當地選擇甩負荷以確保系統的穩定運行；在故障情況下，先打開停電區域的所有開關，然後關閉合適的開關宋恢復非故障停電區。
  5. 13 yoshinaga t, xu j, inoue k. a note on closure property of sublogarithmic space - bounded 1 - inkdot alternating turing machines with only existential universal states

    例如，關系在關系代數運算下的結果仍為關系，我們稱關系集合在關系代數運算下封閉。
  6. In the last, the modern control theory and simulink in matlab have been integrated together, and it has been applied in active control of the platform structure elastically supported ; a mechanical model and an equation of motion in state space have been established. based on coc, dynamic response of the platform structure elastically supported has been studied under simple harmonic load ; the influence of different values of weight function to the active control efficiency of the structure has also been discussed

    本文還將現代控制理論與matlab的simulink動態模擬軟體包相結合，將其應用於彈性支承平臺結構的主動控制中；建立了彈性支承平臺結構主動控制理論的力學模型和狀態空間內的運動方程；應用經典線性最優控制演算法對彈性支承平臺結構在簡諧荷載作用下的動力響應進行閉環控制；分別從理論和數值計算兩個方面討論了狀態權函數矩陣q和控制權函數矩陣r的不同取值對控制效果的影響。
  7. The checking method for the associative law of finite groups is discussed by programme. in the same time, the checking of dosure law, unit element and mverse element, is added into the program, so that it can check whethe a finite set is a group for the giving binary operation

    用編程的方法討論了群論中結合律的檢查，同時把閉合律、單位元、逆元的檢查也添進程序中，使得該程序能檢查一個有限集合對所給二元運算是否成一個群
  8. We have successfully designed an experiment system for the no invasion blood pressure measurement with our own ip. in our research and develop task we have done a lot work to study foreign instrumen and design ideas. this experiment system is based on msp430 series mpu with excellent erformance and applies advanced digital signal process and intelligent technology. in hardware design, the following means were applied : after a lot of experment and fully knowing about the characteristic of the pulse wave signal, we have designed the accurate and credible circuit to collect the pulse wave signal ; power circuit, communicaion circuit, power drivers circuit have been disigned for the instrument. in software design, the following arithmetic were applied : 1

    軟體方面進行了以下演算法研究: 1 .綜合試驗各種數字信號處理方法對波形進行平滑處理: 2 .採用lms自適應方法對脈搏波信號進行了降噪處理; 3 .應用微分閉值法提高了脈搏波信號的檢出率，有效識別了運動干擾引起的偽波信號; 4 .利用測振法基本原理並進行大量實驗的基礎上，提出了比較準確可行的收縮壓和舒張壓的識別演算法，使測振法在本無創血壓儀中得到了完整而充分的應用。
  9. Besides, pid control algorithm is introduced and the velocity closed - loop controller is designed on the basis of dynamic model for the train. furthermore, according to kunming world ' s fair route data, the ato system with pid controller is simulated. it shows some disadvantages, and so the predictive control algorithm is brought forward to realize velocity closed - loop control

    在已有的列車運動模型基礎上，採用pid控制演算法，設計了列車的速度閉環控制器，結合昆明線線路數據，進行了基於pid控制器的ato系統模擬分析，發現採用pid控制器控制時，列車運行曲線呈波浪形，當遇到坡道或者外界干擾時速度和加速度曲線會出現尖峰現象。
  10. In order to effectively use the vacant space beside the passenger train paths in the train running diagram of mixed passenger and freight lines and draw more freight train paths to improve the carrying capacity, the essay analyzes the reasonable drawing plan for freight train paths beside single passenger train arid two passenger trains respectively on the double tracked section with automatic blocking system according to the principle of minimal additional removal time and on the basis of the calculation method of removal coefficient table

    摘要為了在客貨共線運行圖中有效利用旅客列車運行線兩側的空檔，盡可能多地鋪畫貨物列車運行線，以提高區段通過能力，在扣除系數表格計演算法的基礎上，按照附加扣除時間最少的原則，分析了在雙線自動閉塞區段單列旅客列車和2列旅客列車兩側貨物列車運行線的合理鋪畫方案。
  11. 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。
  12. A hardware independent image acquisition interface is designed. aimed at grid images, a reasonable image processing procedure is employed, including segmentation, binarization, close, thinning and sub - pixel image processing technique based on b - spline interpolation

    基於網格標記圖象，設計了一系列的合理的圖象處理步驟，包括圖象分割並二值化、二值圖象閉運算、細化以及基於b樣條插值的亞象素圖象處理技術。
  13. The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system

    如航跡產生器的設計，該航跡產生器是研究組合導航問題的前提，從國外一些研究組合導航系統的文獻中可以看出，設計這樣一個航跡產生器是非常必要的，所以本文自行設計了這樣一個系統；還討論了捷聯慣性導航系統中捷聯解算的方法，並進行了模擬研究，由於在本文設計的閉環反饋式組合導航系統中，對捷聯慣導系統的平臺誤差進行閉環控制，需要將濾波器輸出的校正量反饋到捷聯解算內部，所以必須對捷聯解算進行深入的研究和分析，更何況捷聯解算問題本身也是導航界的一個熱門研究課題；另外，本文還介紹了gps軌道及其星座模擬的設計思想和方案，與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始，逐步進行gps軌道及其星座模擬，這樣的設計方法對從事衛星導航的研究工作是有價值的；還對組合導航中誤差建模方法進行了研究，綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾波的誤差建模方法，並運用實際研究工作中的測量數據對該方法進行了驗證。
  14. Based on the characteristics of the membrane structures, wind - induced nonlinear coupling dynamic response analysis which can be applied to closed membrane structures is developed and the added air mass the pneumatic stiffness and the acoustical damping of the closed membrane structures are deduced. applying the method to an aeroelastic model of wind tunnel test, the displacement the velocity and the acceleration of corresponding prototype structure in time domain are obtained

    本文針對封閉式薄膜結構和敞開式薄膜結構推導了全新的非線性流固耦合風振響應公式，其中耦合因素包括附加空氣質量、氣承剛度和聲致阻尼以及相對運動速度，並將此理論應用於一氣彈模型的計算，獲得了位移、速度、加速度時程以及加速度均方根。
  15. Composition operators on a space of analytic operator functions are defined. a sufficient condition is obtained to the composition operators with compact and closed range

    摘要在解析運算元函數所形成的空間上定義復合運算元，給出此復合運算元的緊性和閉值域性質。
  16. So can completely satisfy measurement request of various natural gas from all parts of oil and gas field and transmission pipeline in our country. there are switch function of multi - kind signal input, only need to simple setup by instruments menu, namely can realize lightly switching between multi - kind input signal, and has jumproved universality and reliability of instrument

    Do為無源開關量信號，操作器在手動控制時輸出開關量閉合信號給前級的dcs系統或調節器， dcs系統或調節器收到do狀態信號后即停止pid運算，並使操作信號輸出跟蹤閥位反饋信號。
  17. One is, based on answering the above open problem on a finite dimensional euclidean space by means of partially ordered theory, to research the existence of solutions, global error bounds of proximal solutions and sensitivity of parametric unique solutions and present a class of variable - parameter three - step iterative algorithms for generalized set - valued variational inclusion problems by using - resolvent operator of set - valued mapping. two is to consider the convexity, closedness and boundedness of the solution set of general set - valued variational inclusion problems and the sensitivity of the parametric solution set by means of graphical convergence theory. three is to discuss directly the existence of solutions by using analytical methods for set - valued mixed quasi - variational - like inequalities and suggest a class of direct variable - parameter three - step iterative algorithms for solving generalized set - valued variational inclusions

    研究分有三個方面：一是藉助于偏序理論在有限維歐氏空間中解決了上述公開問題，在此基礎上利用集值映射的-預解運算元，研究了廣義集值變分包含問題解的存在性、逼近解的全局誤差界、參數唯一解的靈敏性，並提出了一類變參數三步迭代演算法；二是藉助于圖收斂理論研究了一般集值變分包含問題解集的凸性、閉性和有界性以及參數解集的靈敏性；三是用分析的方法直接討論了集值混合擬類變分不等式問題解的存在性並提出了一類求解廣義集值變分包含問題的直接變參數三步迭代演算法。
  18. The profile equation of whole profile meshing is worked out by the meshing theory, and the numerical calculation program of the new profile is accomplished. the 3d modeling of the gear rotor and the movement simulation of the gear assembly system are realized. the interference and sidegap of gear meshing are analysed by 3d modeling of the gear, so it can be judged that the gear profile is right whether or not before machining

    運用齒輪嚙合原理，推導出全封閉齒廓嚙合型面的齒形方程，完成齒形相應的數值計算程序，並對齒輪轉子進行三維實體造型及齒輪裝配體運動模擬的研究；用齒輪三維造型來進行裝配模擬並分析嚙合副裝配的干涉和側隙，在加工前就能對齒輪齒廓形狀的正確與否進行判斷。
  19. The main content of this paper contains : summarizing the foundational theory of vibration and noise, and establishing the analysis and computation flow chart of noise acoustic field of mechanical vibration ; taking a close drum shell as the research object, analyzing its dynamic characteristics and vibration response using finite element method, then going with the structural - acoustic coupling analysis based on the acoustic model analysis of the aerial intracavity of the close drum shell

    論文的主要內容包括：對振動和噪聲的基礎理論進行了概述，並建立了結構振動噪聲聲場分析計算的流程圖。以封閉鼓形薄殼為分析對象，運用有限元法分析了其的動態特性及振動響應；同時在分析了封閉鼓形薄殼空氣內腔的聲學模態的基礎上，對其進行了聲固耦合分析；並作了該結構模型的外場聲固耦合諧響應分析。
  20. Compared with the previous model, the most important advantage of this improvement is that the close - open operator is used in the diffusion process, giving a good trade - off between noise removal and edge preservation

    主要的想法是在中值曲率驅動方程模型中結合閉開運算元，在較好保護邊界的前提下，增強方程的去噪能力，達到去噪和保護邊界的一個平衡。
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