vector operation 中文意思是什麼
vector operation
解釋
向量運算-
5. adopting vector frequency conversing control for unreeling and feeding drawing, realizing more stable operation
5收卷出料牽引採用矢量變頻控制運轉更穩定 -
The vector product node named matrixmult uses a point matrix product operation to multiply those coordinates by the worldinversematrix of the sphere ' s shape node
那是，在球中心的一個點需要去返回一個0 ， 0 ， 0的數值，不管球在空間的哪個地方。 -
Win600 automobile lift has the same control system as freight lift, i. e. micromputer control or plc control, and the same tracyion system as freight lift, i. e. vvvf vector control, to make it safe, reliable, stable, comfortable, energy - saving and of high leveling precision as freight lift. the car is equipped with four or six symmetric guide rails, to solve the problem of wobbling caused by the unbalance load of car and reduce the noise of operation, the door is equipped with reliabe optical screen protction or infrared electronic protecyion, to ensure the safe entry and exit of automobile. the double - controller design inside the car gives convenience to the operation of automobile driver
Win600系列汽車電梯的控制系統與載貨電梯一樣採用微機或plc控制，拖動系統樣採用vvvf矢量控制，因此，同樣具有安全可靠平穩舒適節能環抱平層精度高的特點。轎廂採用對稱的4根活6根導軌導向，解決了轎廂裝載不平衡引起晃動的問題，降低了運行的噪音。轎門裝有高可靠的光幕保護活紅外線電眼保護，保證汽車安全的進出。 -
The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct
對常用空間電壓矢量控制策略進行分析，提出了給定參考矢量所在區間判斷的簡化方法，以及電壓矢量作用時間的求取方法；分析了電流滯環控制策略，推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系；應用瞬時功率理論分析pwm整流器功率控制原理，通過虛擬磁鏈估計有功功率和無功功率，用matlab實現了直接功率控制，並驗證了該控制方法的正確性。 -
This paper does simulation analysis of this model, especially emphasizes on harmonic analysis of the power grid. and some changing rules and influencing factors of this vector operation system are deduced
對該模型進行了模擬分析，並著重對交-交變頻同步機系統注入電網諧波進行了研究，得出交-交變頻同步電機系統運行時諧波的一些變化規律及其影響因素。 -
In quantum mechanics, we can use the vector and matrix operation to express the state and revolution
由於量子計算過程可以使用向量計算模擬，因此適合具有向量處理的微處理器。 -
The input and output state vectors are defined, which are a 6 1 column vector including motion types, the magnitude and spatial orientation, respectively. the state matrices ( sms ) can be deduced by vectors operation, that is, the output state vectors multiplied by the input state vectors
其中，前者按照輸入輸出端的不同運動類型、速度矢量的大小及方向特徵，以6維矢量形式表示；而後者作為輸入、輸出特徵矢量之間的紐帶，描述了基本變換單元的功能與特徵。 -
On the other hand, apf with vector operation of unified constant frequency integration ( uci ) control is presented in this thesis
另外，針對以上方法的不足提出了通用常頻積分控制矢量模式的apf 。 -
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 -
Adopting rotor field - oriented vector control methods, through which make the stator and the rotor magnetmotive forces can be kept orthogonal all along during operation of the bldcm, combining hysteresis current modulation ' s current control advantage and space voltage vector modulation ' s torque ripple attenuation advantage, then designing a sort of bldcm hysteresis current svpwm control method
摘要研究採用轉子磁場定向的矢量控制方法使無刷直流電動機定、轉子磁勢矢量始終保持正交，結合滯環調制電流控制和空間電壓矢量調制，設計了無刷直流電動機滯環電流svpwm控制方案。 -
Establishing 3 - d terrain models with vector contour lines and elevation terrain models with the help of the determination of space corresponding relations between contour lines, tile operation and branch operation. explanation of real - time reflection of terrain models, including three algorithms in lod technology, compared with quadtree algorithm, roam algorithm and the algorithm based on the intermediate belt, to show the advantages and disadvantages of the different situations of the terrains, so as to find out the right algorithm, the quadtree algorithm. developing and implementing the fast demonstration on the vc platform with three - dimentional visualization techniques, such as vrml and opengl, providing a persuasive argument for the research
論文首先概括介紹了用等高線快速建立3d地面模型和顯示的相關技術，並論述了課題研究的背景和選題依據;其次，論文闡述了如何對等高線數據進行預處理，提出了有效的得到矢量化等高線的方法;再次用矢量化的等高線數據建立三維地面模型，通過等高線間的對應關系的確定、瓦片操作、分支操作建立地面的高程模型;然後論文對地面模型的實時渲染問題進行了深入闡述，主要是從lod技術的三種演算法著手進行研究，通過對比四叉樹演算法、 roam演算法和基於過渡帶演算法對不同種情況的地面數據顯示的優缺點，再結合本系統的地形數據的特點選擇了適合的演算法:四叉樹演算法;最後，用vrml和基於opengl的三維可視化技術在vc平臺上開發並實現了地形的三維快速顯示系統，為論文的研究內容提供了有力的論證。 -
Application component layer envelops the parallel algorithms of matrix - vector operation to offer users high - level interfaces ; the other three layers implement data abstraction 、 data partition and parallel mechanism respectively, and every layer has specific class and interface definition
其中應用組件層把矩陣向量運算的并行演算法封裝成類組件，為用戶提供了高層次的介面;另外三層分別實現數據抽象、數據劃分和并行機制支持三方面功能，每一層都有具體的類組件和明確的介面定義。 -
( 6 ) the proposed support vector machine algorithms and classification methods are used in classifying operation state of wastewater treatment processes
（ 6 ）把支持向量機理論應用到污水處理過程運行狀態監控中去。 -
The main contents are as the following : ( 1 ) analyzing various operation specifications and standards for the digital information engineering of military surveying and mapping ; and proposing the evaluation model for vector map data quality based on the quantification of the specifications and standards
主要內容包括： （ 1 ）對軍事測繪數字信息工程中所用的各種作業規范、標準進行了分析、理解，在對規范標準進行量化的基礎上，提出了矢量地圖數據質量的評價模型。 -
The jacobian matrix of the 6 - prrs parallel robot has been computed by two methods. one is differential coefficient based on symbol operation, the other is vector construction
對於6 - prrs並聯機器人的雅可比矩陣，分別使用了基於符號運算的微分構造法和矢量構造法進行求解，並驗證了兩種方法的正確性。 -
Associated it we define a root system. in a suitable condition we define a lie algebra to realize this root system, namely, using an euler cocycle given by intersection matrix, we define an infinitely dimensional vector space with the lie operation becomes a lie algebra
在適當的條件之下，我們給出了該根系的一個李代數實現，即利用該相交矩陣確定的一個歐拉cocycle和根系，我們定義了一個無限維向量空間和李運算，並且證明了這個無限維向量空間在該李運算之下構成一個李代數。 -
The operation delivers the normal genes to the retina, using a harmless virus or " vector " to carry the gene into the cells
該程序利用一種無害的病毒或者載體將健康基因導入視網膜細胞。 -
This platform employs windows ce. net as operation system, and applys the technology of embedded program - embedded visual c + +. a vector electronical map system is setup. we can display vector map, zoom and roam the map in that system, further more, simple management of map layers and demand information are also realized, further more, we put forward borderline - detection arithmetic to improve speed of display when we roam the map
開發平臺以windowsce . net為操作系統，運用embeddedvisualc + +嵌入式編程技術，建立了一個矢量電子地圖系統，實現了矢量電子地圖的顯示、縮放、漫遊、圖層管理以及簡單的數據查詢導航功能，提出了用邊界檢測演算法提高電子地圖漫遊時的顯示速度。 -
A novel reversible coordinate transform method, need not calculating the transform coefficient matrix, based on vector operation is proposed in this paper
摘要提出了一種基於矢量運算的新的坐標變換方法，該方法具有不需要計算轉換系數矩陣、可逆的特點。 -
As well as, using vector operation substitute scale operation in order to improve compression rate condition on keeping on distortion. by tool of vc + + simulate the result of research. finally, compared with jpeg, we can draw on a condition : using dct table substitute dct calculate and using vector operation substitute scale operation which can attain that is high compression rate and steady distortion
其中，在dct變換中通過使用dct查詢標的方式代替dct常規變化，達到減少計算機乘除運算次數的目的；量化過程中通過使用矢量量化代替標量量化，達到在保證最小失真度的前提下提高壓縮比，並因此省略了jpeg壓縮中的熵編碼過程，簡化了壓縮過程，同時獲得最佳壓縮效率。
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