矢量計算機 的英文怎麼說

中文拼音 [shǐliángjìsuànjī]
矢量計算機 英文
vector computer
  • 矢 : Ⅰ名詞1. （箭） arrow 2. （尿） excrement; dung; feces 3. （姓氏） a surname Ⅱ動詞（發誓） vow; swear
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 計 : 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...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 機 : machineengine
  • 計算機 : computer; calculator; calculating machine; computing machinery; electronic wizard; processor; pro...
  • 計算 : 1 （求得未知數） count; compute; calculate; reckon; enumerate 2 （考慮; 籌劃） consideration; pla...
  1. The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production

    本文展開研究並取得一定成效：構建了基於pci總線的微機實時圖像採集系統；在採集的布料總圖（鳥瞰圖）的基礎上，通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理，提取布料圖像的邊緣，對輪廓的矢量化的象素點進行搜索，得到相應的圖案矢量圖，從而確定絎縫的加工軌跡，生成加工指令；在進給加工過程中，主計算機對動態局部圖像與總圖（鳥瞰圖）的對應部分進行圖像相關的匹配計算，應用數字圖像理論，結合神經網路計算的改進最速下降法和模擬退火演算法，提出獨特而有效的相關迭代初始值賦值方法，形成穩定、高速和準確的相關運算，實現單針絎縫視覺測量和自動控制。
  2. A 3 - d viscosity turbulence model is used to analyze the unsteady around flow field of the thrust - vectoring engine of the jet vane, and results of the area including vane base, vane flake and motor shell are presented

    摘要以推力矢量發動機的燃氣舵為研究對象，採用三維、粘性、湍流流動模型和數值分析的接觸網格技術，在定常流動計算的基礎上，對包含舵基、舵片和發動機殼體的區域進行詳細數值分析。
  3. As the core of the optical processor, optical vector - matrix multiplier ( vmm ) is a basic optical device of the optical computer

    光學矢量-矩陣乘法器是光計算機中最基本的一種功能部件。
  4. Vectorization, i. e. raster - to - vector conversion, is the process of analyzing the scanned image of an engineering drawing in paper form and recognizing the graphic objects in the drawing, and finally, generating the vector format file

    工程圖矢量化是將紙介質工程圖紙掃描輸入計算機后，對所得的掃描圖像加以分析、識別，最終重建其中的目標對象的過程。
  5. In this paper, based on understanding and mastering image processing, we input the drawing into the computer by the image conversion, then automatically get and recognize the element by the method of the image processing and pattern recognition. at last, on the base of the understanding of the whole drawing, we will transform the information of the picture and the character to the vector format, on which we can make the vivid courseware

    本文在理解和掌握圖像處理主要技術基礎之上，主要討論通過圖像轉換裝置將圖紙輸入到計算機，運用圖像處理、模式識別等理論和方法進行圖像中各種要素的自動提取識別，在實現對整幅圖紙理解的基礎上，自動將圖紙和符號信息轉換為矢量數據格式。
  6. As a modern design method, computer simulation technology can shorten development cycle, reduce development costs and increase ratio of success in development of a sensorless vector control system. it is an indispensable way

    計算機模擬作為一種現代設計方法，在無速度傳感器矢量控制系統開發中可以縮短開發周期，降低開發成本，提高應用開發的成功率，是矢量控制系統開發中不可缺少的手段。
  7. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  8. The main work completed in the paper is listed as following : 1. image function acquisition -, 2. read bmp files by dib format ; 3. drawing gray scale histogram ; 4. choose a optimum threshold and make gray image become binary image -, s. find image ' s contour points by making inner points become empty and apply template matching on the contour points ; 6. transform the object ' s beginning points ( pixel point ) to the ones in the image coordinate and the positions of in the corresponding three dimensions ; 7. compute the position vector and the normal vector of the object

    選擇一個最佳闋值，把灰度圖像進行二值化處理； 5用掏空內部點法，找到圖像的輪廓點，然後在輪廓點上進行模板匹配； 6把輸出的目標物開始點（像素點）轉化成圖像坐標系中的點和對應的三維空間的坐標位置； 7計算目標物的位置矢量和法向矢量，根據機器人抓取面的法向矢量，找到機器人要抓取的平面； 8
  9. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調速系統實現很困難，這是因為交流電機是多變量、強耦合的非線性系統，不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題，其基本思路? ?應用坐標變換將三相等效為二相，實現定子勵磁電流分量與轉矩電流分量之間的解耦，達到對交流電機磁鏈與電流分別控制的目的，交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步，計算機技術飛躍發展，高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中，促進矢量控制迅猛發展，日趨成熟。
  10. The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves

    以上關于等距曲線的幾何逼近與代數逼近的演算法改革了當前國際圖形界只能對基曲線沿法矢方向平移定距離的點作近似逼近的固定模式，創造了利於交互操作，能有效地減少計算量及數據存儲量的新方法，可在數控加工、浙江大學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的應用（ 3 ） nurbs曲線曲面降階應用nurbs曲線的顯式矩陣表示及chebyshev多項式逼近理論，以實現nurbs曲線顯式一次性降多階的近似最佳逼近為目標進行了研究
  11. On the basis of introduction to the application of computer software in the land - grading, this paper introduces two basic methods of land - grading by applying various kinds of computer software and establishes the model and procedure of land - grading information system as a case of main district in chongqing city

    在介紹計算機軟體在土地定級中的應用基礎上，以重慶市主城區的土地定級為例，介紹了運用多種軟體進行計算機土地定級的基本方法，即單元網格分值累加求和法和矢量圖形分析法。
  12. In this paper, according to the equation of voltage vector of single - phase motor operating at symmetrical condition, author presents a new voltage - vector pwm method of variable frequency control for single - phase motor. in system, the voltage vector is used as a control parameter

    本文根據單相電動機對稱運行時的合成電壓矢量方程，提出了以合成電壓矢量為控制量的單相電動機電壓矢量式pwm變頻調速控制方法，並進行了計算機模擬及製作了單相變頻器。
  13. The hydraulic hitch is the common means that the operator be joined with the prime motor in farm machine. the paper made the hitch ? vector equation and found the solutions by newton iteration method through the strong numerical calculation function of computer. so the analytical solution insteaded the graphic method, the design accuracy and efficiency were acceptable

    本研究推導了懸掛機構的矢量方程，並藉助于計算機強大的數值計算功能，用牛頓迭代法解決了解矢量方程的問題，從而用解析法取代了圖解法設計此類機構，提高了設計精度和效率。
  14. Secondly, the improved rotation vector algorithms in the pure coning motion are discussed and the computing burden is compared with each other. lastly, computer simulations are executed to test the algorithms " performance. the results show that the rotation vector algorithms can improve the precision of the attitude calculation effectively

    分析了高動態環境下捷聯慣導圓錐誤差的產生機理，研究了純錐運動條件下姿態更新的旋轉矢量優化演算法，對各演算法的計算量和精度進行了對比，最後對各演算法進行了計算機模擬，模擬結果表明：旋轉矢量演算法能有效提高姿態演算法的精度； 2
  15. Vector graphics plays an important role in computer animation and imaging technologies

    矢量圖形學在計算機圖形學的許多領域中有著非常重要的作用。
  16. Abstract : a general bpm simulator for optical waveguides is presented in this paper. this system includes three tools : the effective refractive index calculation tool, the waveguide mode solution tool, and the beam propagation method simulation tool. this system is very useful for the optimal design of the linear optical waveguide devices

    文摘:介紹了一個光波導器件計算機輔助分析系統，該系統集成了3個實用工具：光波導有效折射率計算工具，光波導模式求解工具和三維復折射率全矢量有限差分束傳播法模擬工具.本系統用於線性波導器件，模擬光在波導中的傳播過程，從而可以優化設計波導器件，探索新結構器件
  17. Abstract : some main problems of the superhigh speed nc machine tools, such as superhigh speed spindle vector controller, servo system of quick - response, reduced instruction set and other auxiliary functions in superhigh speed cutting are introduced in the paper

    文摘:介紹了超高速數控機床控制系統的幾個主要方面：超高速主軸矢量控制器、快速響應的伺服系統、精簡指令集計算機系統及超高速切削中的其他輔助功能。
  18. Besides these, it is capable of performing frequency conversion with sinusoidal output voltages and currents at the desired output frequency and allows bi - directional power flow according to the space vector modulation method of the equivalent structure of the ac - dc - ac conversion, the conversion relations of the matrix converter were deeply investigated. the ac - ac direct transformation control and the double - space - vector pwm scheme of the matrix converter were deduced and the modeling, sin ~ iu1ation and experiment of a three - phase matrix converter were implemented

    本文從等效交一直一交變換的空間矢量調制方法出發，深入分析了矩陣式變換器的變換關系，推導出了交一交直接變換控制規律和雙空間矢量pwm調制技術，實現了交一交直接變換控制方式下矩陣式變換器的建模和運行分析，並進行了計算機模擬和實驗研究。
  19. Its function is that the host computer receives alarm and orientation data from mt or sends commands to mt in virtue of modem. sccs makes different kinds of alarm sound according to receiving different kinds of alarm signal, reminding workers of dealing with corresponding alarm in time, and it transmits orientation data to vector map real - timely displaying currently running circumstances of terminal

    功能是計算機藉助modem接收來自終端的報警和定位數據或發送命令數據，根據不同的報警類型發出不同的報警聲音，提醒工作人員及時處理警情，同時將定位數據實時傳輸給矢量化地圖顯示終端當前運行情況。
  20. Then 3d gis and its construct is introduces briefly, and the relevant background and theory are studied, such as picture segmentation, pattern recognition and vectorization technology, etc. it is discussed in detail how to realize the data entry of contour lines ( include extraction, pretreatment, vectorization and making dem ) in 3d gis by using computer graphics, image processing and visualization programming technology, and a complete set of concrete scheme to design a system recognizing automatically contour lines from scanned data of map is put forward

    論文從地理信息系統領域研究應用的歷史和現狀入手，簡要介紹了三維地理信息系統及其構成，研究了相關的背景與理論知識，如圖像分割、模式識別和矢量化技術等等。論文重點闡述了如何運用計算機圖形學、圖像處理、可視化編程技術等實現三維地理信息系統等高線要素的數據輸入（即提取、預處理、矢量化和網格化生成dem數據高程模型這幾個基本內容） ，並提出了地圖掃描數據等高線自動識別系統設計的一整套具體方案。
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