vector computer 中文意思是什麼
vector computer
解釋
矢量計算機-
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。 -
Finally, vector graphs drawn can be saved as bitmap files in the computer
最後，繪制的矢量分形圖形被保存成bmp文件格式。 -
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。 -
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。 -
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。 -
The flux across each cell face is calculated using a flux - vector splitting technique. higher - order scheme is obtained by expanding the cell - centered solution to each cell face using a linear reconstruction formula based on geometrical invariant features of triangles and tetrahedra, which reduces computer memory requirements
採用了基於網格單元幾何特性的線性重建（ reconstruction ）公式並引入通量矢量分裂（ flux - vectorsplitting ）技術，計算得到控制體邊界上二階精度的通量值。 -
After the theory of the generalized point photogrammetry is introduced, its applications are presented, including computer of image parameter from vanishing point and modelling by single image, determination of image parameters by matching between vector and image, inspection of sheet - metal part and determination of plane pose by contour line matching
論述了廣義點攝影測量理論，介紹了其應用，包括由滅點計算影像參數及單像建模，由矢量與影像的匹配確定影像的參數，鈑金件的檢測與由輪廓線匹配確定飛機的姿態等。 -
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。 -
To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented
避免目前平面連續體結構拓撲優化過程中經常出現的單元鉸接以及「棋盤格」等現象，研究了連續體結構拓撲優化過程的拓撲分析方法，以及在計算機上實現的簡便演算法.根據代數拓撲理論，單元及連續體的邊界作為1 -復形進行運算.利用圖論中的鄰接向量概念，在計算機上實現了結構的拓撲描述及拓撲運算，得到了結構在拓撲演化過程中的拓撲特性，方法簡單、可靠.在一定的拓撲約束下，根據應力分析結果，採用刪除單元、單元退化、移動節點等方法，可以用較少單元得到更為滿意的結果，提高計算效率.為演示方法的有效性，給出幾個包括常見經典問題的解答 -
In this paper, the fundamental algorithms of toolpath planning of chinese characters based on vector font are discussed and analyzed. the object is to do some groundwork for developing a cnc ( computer numerical control ) engraving software of all copyright reserved
本文主要內容是基於矢量漢字庫的數控雕刻刻刀軌跡規劃基本演算法的研究，旨在為開發自主版權的數控雕刻軟體打下基礎。 -
We designed, simulated and experimented multi - beam lens antenna based on spot - focusing lens antenna ’ s designing, computer simulation, experiment and analysis. in this paper, the author adopted different methods to discuss resolution including geometry optics, gaussian beam and vector diffraction integration
然後在對單波束點聚焦透鏡天線進行設計、模擬和試驗的基礎上，進行準確的分析，以作為多波束天線設計的理論基礎。 -
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。 -
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 -
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。 -
This paper studies an ac servo system with the permanent magnet synchronous motor ( pmsm ) as the executive component. the disadvantages of the conventional methods of ac servo system are demonstrated by computer simulation and by analyzing the mathematical models of the pmsm and the vector decoupling control strategy. then, an improved double - pi combined with variable structure servo controller is proposed
通過對永磁同步電動機的數學模型和矢量解耦控制策略的理論分析，以及基於雙pi結合單p位置調節的伺服系統的模擬實驗，揭示出經典的伺服控制方法的缺陷，並提出了一種改進的雙pi結合變結構的三閉環調節的伺服控制器設計方案。 -
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。 -
Using maxwell electromagnetic equations, by solving the boundary - value problem of magnetic vector potential, analytical expression to impedance increment of the solenoid coil in eddy current testing of the medium in half space was given. theoretical result was modeled in computer. results showed the validity and feasibility of the model
利用maxwell電磁方程組，通過求解矢量磁位的邊值問題得到了矢量磁位的解析解，進而導出了媒質上方放置式空心線圈的阻抗增量解析式，並對阻抗變化表達式進行單層板厚度和三層板間隙的檢測模型進行了模擬。 -
With the strengthening human ’ s impact to the nature ， the earth land surface 1s exderiencing profound change land use land cover change has become one of the most important study areas of global changes urbanization and industrialization are major types of land use change in china today ， which will certainly have a deep effect on the land use structure and food safety in this paper ， multi phases satellite image including corona ， tm ， etm + data which redresent the information of yixing of 1 966 ， 1 984 ， 1 992 and 200 1 ， respectively were dealt with multi - bands composition ， precise rectification ， interpretatlon ma ‘ k establishment ， computer assistant visual interpretation by the methord of multi 。 phase - sequence comparison and integrated technology of rs and gis vetor maps of land use of 1 984 ， 1 992 and 200 1 are attained by interpreting images above. by the data above and the image of corona of 1 966 ， vector maps of expanding towns ot yixing city from 1 966 to 2001 are acquired
城市化、工業化已經成為當前我國土地利用變化主要表現形式，它必將對我國的土地利用結構和糧食安全產生深遠的影響。本文藉助遙感和gis技術，採用多時期連續對比法對fm ， etm + pan等多源衛星遙感影像進行土地利用人機交互解譯，獲得了高精度的宜興市1984 、 1992 、 2001年三個時期l ： 5萬土地利用圖。利用以上各時期的土地利用數據庫並結合1966年corona衛星影像資料建立了1966 、 1984 、 1992和2001年四個時期的城鎮建設用地數據庫。 -
Parallel computers have developed from the big special vector computer to the parallel mutiple processor, and now to the more popular cluster of workstation
并行計算機從以前的大型專用向量機，發展到并行多處理器系統，以及現在比較流行的工作站機群系統。 -
( 2 ) the three numeric methods, including formula method, histogram method and feature vector method, of calcucation invariant probability distribution for chaotic map is derived, and their characteristics are discussed each other, these results of the computer simulation are in agreement with those of theoretic analysis. ( 3 ) the principles and methods of chaotic communication are reviewed and commented systematically. first, several main chaotic synchronization methods are discussed, then the methods and ways of chaotic communication are explored, including analogue chaotic communication, digital chaotic communication and direct chaotic communication. this is the article basis, and it startes from follow - up case study
所做的工作總結如下： （ 1 ）綜述了混沌現象及其理論的相關問題並對碼分多址通信系統的擴頻地址編碼與混沌序列、混沌同步與系統保密性等問題作了討論； （ 2 ）研究了計算混沌映射不變分佈的三種數值方法，即：公式法、直方圖法以及特徵向量法，並比較了各自的優缺點，計算機模擬結果與理論分析結果相符。
分享友人