補矢量 的英文怎麼說

中文拼音 [shǐliáng]
補矢量 英文
complement vector
  • : Ⅰ動詞1 (修理; 修補) repair; mend; patch 2 (補充; 補足;填補) fill up; add supplement; supply; ...
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. A novel motion estimation algorithm which is based on compensability analysis of the input video signal is proposed. the motion estimation operation is performed only on the compensable blocks in the image frame. the time of estimation computation and the bits for coding the motion vectors are all reduced significantly than those of conventional algorithms

    本文介紹了一種新穎的運動估計演算法,我們首先對待編碼的圖像進行可償性分析,然後運動搜索只對可償塊操作,因此無論是搜索次數還是用於對運動編碼的比特數均明顯少於傳統演算法
  2. Novel dead - time compensation strategy for space voltage vector pwm inverter

    一種新穎的空間電壓調制逆變器的死區償方法
  3. Because ga possesses the traits of can global random search, the robustness is strong, been use briefly and broadly, it didn ’ t use path search, and use probability search, didn ’ t care inherence rule of problem itself, can search the global optimum points effectively and rapidly in great vector space of complicated, many peak values, cannot differentiable. so it can offset the shortages of nn study algorithm, can reduce the possibility that the minimum value get into local greatly, the speed of convergence can improve, interpolation time shorten greatly, the quantity of training reduce

    因為遺傳演算法具有全局隨機搜索能力,魯棒性強、使用簡單和廣泛的特點,它不採用路徑搜索,而採用概率搜索,不用關心問題本身的內在規律,能夠在復雜的、多峰值的、不可微的大空間中迅速有效地尋找到全局最優解,所以可以彌神經網路學習演算法的不足,使陷入局部最小值的可能性大大減少,使得收斂速度提高,訓練減小。
  4. 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償裝置的設計、蓄能器-泵馬達壓力能轉換裝置的設計、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。
  5. In this paper, a new control strategy based on the adaptive deadbeat voltage space vector is presented. this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency. it has many advantages, such as producing zero vectors organically, tracing exactly, non - shaking, etc. and its dynamic response is better

    對于電能質調節器來講, pwm跟隨指令參考信號的控制性能在很大程度上影響著裝置的償效果,本文選擇無差拍電壓空間控制為系統控制策略,這種控制方法具有采樣頻率低,開關頻率與采樣頻率的差距小,能有機地產主零、跟蹤精確以及無抖振等優點,動態響應快。
  6. In order to improve dynamic performance of the control system in the assembly robot, according to acpmsm ( ac permanent magnet synchronous motor ) vector control model and the control idea about preview control, the paper presents a kind of control strategies that is composite of a primary pid ( proportion integral dif - ferenfial ) with a preview feed - forward compensation, its compensation is equivalent to linear combination of future adjacent difference, the simulation results show that it can not only improve the system tracking performance effectively, but also implement easily

    摘要為了提高裝配機器人控制系統的動態性能,依據交流永磁同步電機控制模型,從預見控制的思想出發,提出了一種在原有pid基礎上外加預見前饋償的控制方法,這種控制方法的前饋償項取未來幾項目標值一階差值的線形組合,並模擬驗證了該控制方法對提高系統跟蹤性能的有效性和簡單可行性。
  7. The output of vector hydrophone contains the spatial direction information, in the other word, the output has different phase gradient to signal with different direction

    它是利用了水聽器四個陣元的輸出所蘊含的空間方位信息,通過對一個方向信號延遲的償相減達到此方向信號的抵消的目的。
  8. In chapter 4, we discuss the method of vos abstraction based on temporal segmentation in detail. first we put forward affine modal, which is a kind of 3 - d motion modal of rigid body, compensate global motion vector based on this modal, and get the changed detection mask ( cdm ). then we introduce the conception of optical flow field, compute the local

    首先構建三維剛體運動的模型,提出一種計算模型的全局運動的方法,並進行全局運動償、變化檢測模板提取和連通域標記等步驟,然後引入光流場的概念,並介紹其計算原理和方法,用horn - schunck迭代法計算圖像中各點的局部運動,並據此對變化檢測模板的結果進一步提取,獲得時域上分割的信息。
  9. The gpd3402 inverter and plc being selected to set up open - loop and closed - loop speed regulation systems, applying the invariable v / f control, sensorless vector control, slip compensation, process pi and network control technologies control the hoist motor of the stacker crane

    本文基於gpd3402變頻器的變頻調速方式進行應用開發,對堆跺機提升電機採用變頻調速控制,採用gpd3402變頻器及plc ,組建開環調速系統,分別應用恆壓頻比、無速度傳感器、控制、轉差償控制技術。
  10. That ' s complementary, of course, to the problems that require vector supercomputing, and we ' ll have a mix of those two techniques there

    那是充的,當然,對需要高速計算的問題,和我們將會在那裡有那二技術的一個混合物。
  11. Finally, the rules used to design the induction motor and set the inverter v / f curve are summarized to improve the stability of the system movement in the forth part of the dissertation, three measures are brought forward to eliminate the system low frequency oscillation. the first measure adopts pulse based dead time compensation to suppress the oscillation. as second measure, considering the motor and inverter as an integration, the discontinuous space vector modulated strategy named dpwm3 is proposed for the first time to suppress the oscillation

    措施一是在總結常用死區償方法的基礎上,提出脈沖為基礎的死區時間償法( pbdtc )對死沈陽工業大學博士學位論文區進行償,抑制系統的低頻振蕩;措施二是從逆變器與電機的機電一體化配合更加完善的角度,首次提出採用不連續空間調制策略dpwm抑制系統的低頻振蕩;措施三是通過對系統中電機參數的調節,達到抑制系統低頻振蕩的目的;最後進行了實驗驗證。
  12. In this thesis, by simulating the director alignment, using the characteristics of optical transmission, taking jones matrix we calculate the transmittance of the lcd. by theoretically studying to compensating - film from different aspects, single film and double films, we get that the double - film - compensation has nice compensating effect, especially put the two films in the two sides of lc layer

    本文通過模擬液晶盒中指向的排列,利用偏振光在其中傳播的特性,採用瓊斯方法計算出光學透過率;通過對不同情況下償膜(單層、雙層)理論上的研究,得出雙膜償具有良好的償效果,尤其是將兩層膜分別放在液晶層兩側。
  13. The theory includes quaternion and rotation vector, coning error, sculling error and scrolling error and the compensating methods of these errors. 2

    基本理論包括四元數和等效旋轉演算法、圓錐誤差及其償演算法、劃船誤差產生的機理及其償演算法、渦卷誤差產生的機理及其償演算法。
  14. After introducing the correlative theory of phaselet algorithm and analyzing fourier algorithm and improved fourier algorithm, the ability of eliminating harmonic current and decaying direct current component of these algorithms are analyzed and compared, and conclusions are given

    對傅里葉演算法及其改進演算法進行了分析,並介紹了小演算法的相關理論,對各種演算法的濾除諧波和衰減直流分的能力進行了分析和比較,最後給出了結論:當故障電流信號中存在衰減直流分時,採用並聯償傅氏演算法能夠兼顧速度和精度。
  15. This thesis studies technologies of block - based motion estimation and compensation in mpeq and gives a method, which is based on motion vector statistics, to calculate motion vector of whole object

    本文研究了mpeg中基於塊的運動估值與償技術,提出一種基於運動統計的運動分析方法。
  16. A new weighted modeling algorithm is presented and the weight value learning algorithm is solved, another integrated modeling method is also presented. two models can improve the precision compared to the traditional algorithm

    首先對基於法的誤差綜合模型進行了改進,將刀具磨損考慮其中,這樣使得誤差模型更為全面,並且提出了誤差償的實現方案。
  17. Due to its character of microscopic scale motion, a very simple position kinematic equation is achieved. based on the equation obtained, the workspace of the serial - parallel micromanipulator is described, and the effect of different structural parameters on the workspace is also discussed. in order to evaluate the output errors caused by the structural errors and actuator errors, accuracy analysis is then conducted for this serial - parallel micromanipulator, and an approach based on software programming is presented for error compensation

    由於所研究的微操作機器人運動范圍很微小,機構結構誤差及驅動誤差都可能造成機器人的操作精度嚴重降低,為評價這些機構誤差對運動精度的影響,本論文以法對該機器人機構進行了誤差分析,並討論了誤差償的軟體法;此外,論文還進一步研究了遺傳演算法在並聯機器人機構學研究中的應用,為並聯機器人位置正解問題求解提出一種新思路。
  18. To compensate the shortage of the bigger test set of pure ant algorithm, the method of crossing ant algorithm and genetic algorithm is presented. meanwhile, the implementation methods of the objective function, selection operator, crossover operator, and mutation operator are given, and the test results are compared with the results of ant algorithm, based on standard sequential circuits iscas ' 89

    為彌單純採用螞蟻演算法進行測試生成時,測試集過大的缺點,摘要提出了螞蟻演算法和遺傳演算法交叉的測試生成方法,給出了遺傳演算法的目標函數、選擇運算元、交叉運算元、變異運算元的實現方法。
  19. Besides, the motor control system based on the digital signal processor ( dsp ) is analyzed. the hardware circuit about the dsp system is designed. the dsp control software is programmed on the field magnetic orientated control and the space vector pulse width modulation ( svpwm ), that establishes the ' basis for implementing the modern control principle

    然後,又對基於數字信號處理器( dsp )的電機控制系統進行了分析,設計了dsp系統的硬體電路,並編寫和調試了空間磁場定向控制和空間脈寬調制( svpwm )的dsp系統的軟體,為直線電機現代控制策略的具體實現奠定了基礎,並提出了對端部效應進行償的控制方法。
  20. In the part 2 of advanced audio video coding standard avs - p2, many efficient coding tools are adopted in motion compensation, such as new motion vector prediction, symmetric matching, quarter precision interpolation, etc. however, these new features enormously increase the computational complexity and the memory bandwidth requirement, which make motion compensation a difficult component in the implementation of the avs hdtv decoder

    在avs - p2中傳統的運動償技術被進一步改進以獲得更好的編碼性能。這些新的特性包括:預測塊大小可變化1616到88基於三角形的新型mv預測多參考幀最多2幀或4場直接或對稱模式匹配不限制的mv和1 4精度像素插值等。
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