點與矢量 的英文怎麼說

中文拼音 [diǎnshǐliáng]
點與矢量 英文
point and vector
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : 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. 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,對輪廓的化的象素進行搜索,得到相應的圖案圖,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和自動控制。
  2. Second, since the radius vectors r to the extreme points of the ellipse satisfy(5. 3-12)they are parallel to the two allowed d vectors.

    其次,因為到橢圓極值的徑向r滿足式(53-12),故這兩個徑向兩個允許的D平行。
  3. Since scalars are independent of the coordinate system, the dot product of two vectors is called a scalar invariant.

    因為標坐標系無關,故兩個積稱為標不變
  4. A coding scheme is proposed to eliminate the redundancy of output vectors in pyramidal lattice vector quantization ( plvq ). a fast algorithm of labeling lattice points and a fast algorithm of finding lattice points are presented. and the transmission priority in case of asynchronous transfer mode is suggested

    提出了一種圖象本身無關的熵編碼方法去消除金字塔格型化( plvq )的輸出冗餘:同時也提出了由格輸出索引和由索引輸出格的快速演算法;而且還根據異步傳輸模式( atm )的特,選擇了傳輸的優先級。
  5. Second, since the radius vectors r to the extreme points of the ellipse satisfy ( 5. 3 - 12 ) they are parallel to the two allowed d vectors

    其次,因為到橢圓極值的徑向r滿足式( 5 3 - 12 ) ,故這兩個徑向兩個允許的d平行。
  6. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特,運用數力學中分析理論和方法,推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時,瞬時轉向中心偏移車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。
  7. Compared with the pressure hydrophone, vector transducer can provide both the information about pressure ( scalar quantity ) and particle velocity ( vector quantity ) of the sound field, which offers more possibilities for signal processing. so vector transducer and its signal processing have attracted the attention of researchers both native and foreign. in this thesis, a method of correlation equations for pressure gradient transducer is presented, and the estimation of multi - signal parameters with single vector transducer is given

    傳統的聲壓水聽器相比,水聽器既能獲得聲場中的聲壓這一標信息,又能獲得聲場中質振速這一信息,這為其信號處理帶來更大的空間,因此水聽器及其相應的聯合信息處理技術日益成為國內外科技工作者們研究的熱
  8. After studying the nowadays methods, combining the characters of binary scanned maps images, the author designs a method to recognize and capture the digital geography information, which is based on thinning algorithm. a system is also realized by this method in the visual c + + programming environment

    本文在研究、分析現有掃描圖像化方法的基礎上,地圖掃描二值圖像的特相結合,設計了一種基於圖像細化演算法的地圖信息識別提取的方法,並以此為理論指導在visualc + +環境下編程實現了一個自動化實驗系統。
  9. Through consulting lots of relevant references, present research of direct drive volume control hydraulic servo system is summarized in this paper, the principle and character of this system are expatiated, the principle of vector control is introduced. at the same time, the mathematical model of ac asynchronous motor is set up based on the vector control theory. the mathematical models of both the pump controlled motor and pump controlled cylinder are set up and simulated in this paper

    在查閱大國內外相關文獻的基礎上,本文綜述了國內外對該系統研究概況,闡述了該類系統原理和特;闡述了控制的基本原理,並基於這一原理建立交流異步電動機的數學模型;分別建立了泵控馬達系統和泵控缸系統的數學模型,並給出了模擬分析;設計了用於泵控馬達系統的集成閥塊,加工了密閉壓力油罐;針對現有直驅式電液伺服裝置所存在的問題,本文主要針對系統工作過程中所產生的噪音爬行問題進行了一定的研究。
  10. Secondly, this dissertation analyses the action characters of soccer robot, designs kinds of actions in allusion to switchover of attack and defend, puts forward theory of action selection and rules of action selection in order to realize part cooperation which combines court subarea and switchover of attack and defend when soccer robot is under special state thirdly, after considering the characters of obstacles in the robot soccer, we have founded the collision module, to the current questions of obstacle - escaping arithmetic, we put forward the new obstacle - escaping strategy based on the speed vector information which is able to dope out the potential obstacles in the moving path and count out the suitable velocity to escape obstacles by the aid of the geometry transform of obstacle velocity vector the grid implementation arithmetic of path - searching tree is set forth for the convenience the result of simulating competition showed that this way is suitable to the mobile obstacle escaping

    ( 2 )分析了足球機器人動作的特,針對機器人足球比賽的攻防狀態轉變,進行了各類動作設計;為了使足球機器人在特定狀態下,實現局部的配合,將攻防狀態的變化球場分區相結合,提出了足球機器人的動作選擇機理和動作選擇的規則。 ( 3 )分析了機器人足球比賽中障礙物的特,建立了足球機器人碰撞模型。針對目前機器人足球比賽中避障規劃演算法的不足,提出了基於障礙物的速度信廣東工業大學工學博上學應論文息制定的足球機器人避障策略。
  11. 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載貨電梯一樣採用微機或plc控制,拖動系統樣採用vvvf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。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。
  12. After the analysis of the state of converter switches, the voltage space vector is received. on the basis of hexagon stator flux trace method of traditional direct torque control, by changing the regulation of stator flux, hexagon and approximate round trace of stator flux can be got when using different voltage space vector. the fast regulation is realized when three - value regulator is used to adjust torque

    通過對逆變器開關狀態的分析進而得到電壓空間,並且論述了電壓空間轉矩和磁鏈之間的關系,使用兩式調節方法對定子磁鏈進行調節,實現六邊形磁鏈軌跡和圓形軌跡方案,對轉矩採用三值調節器進行調節,以實現轉矩的快速調節。
  13. 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補償效果,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,動態響應快。
  14. We start with the theory of vector quantization, and come on with the application of of v. q. technics on image processing. fist we developed a codebook creation algorithm based on the partial distortion theorem, which has greatly improved the quality of the initial codebook

    我們採用理論應用相結合的辦法,從化的一些基本問題入手,克服其明顯的缺,輔助以其它高效的手段來使化技術從純理論的研究走向實際的應用。
  15. The norm of a quaternion is similar to that of a vector

    四元數的平均值的有相似。
  16. 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

    論述了廣義攝影測理論,介紹了其應用,包括由滅計算影像參數及單像建模,由影像的匹配確定影像的參數,鈑金件的檢測由輪廓線匹配確定飛機的姿態等。
  17. However, there still exists correlation between coefficients of sub - matrices after 4d - mdct. this thesis proposes a four dimensional matrix video coding method based on context to get rid of the correlation between coefficient sub - matrices further. it includes three parts as follows : firstly, this thesis presents a four - dimensional matrix video encoder and decoder model, which contains components of prediction, transform and entropy coding

    實驗結果表明,該方法傳統的二維編碼方法相比,具有高壓縮比和高圖象質的優;化編碼相比,具有碼表體積小,計算復雜度低的特;霍夫曼編碼方法相比,在相同信噪比的條件下,對運動相對劇烈的視頻序列壓縮效果要更好。
  18. It also analyses two patterns of gis case storage, by grid and vector, finally gives management content of gis case, key technology, workflow of two patterns and the contract between grid pattern and vector pattern

    論文分析了gis案例存儲管理的兩種模式? ?柵格模式模式,並對這兩種模式進行了深入地探討,歸納出了gis案例存儲管理的內容、關鍵技術以及這兩種模式的管理流程,並對這兩種管理模式的優缺進行了對比。
  19. From the points of view of multiresolution schemes and simplification techniques, those known major algorithms are classified and summarized. a simplification algorithm for terrain models based on the normal vectors of mesh vertices is proposed. its rule of simplification grounds on visual features, error metrics is from normal vectors of mesh vertices and simplifying technique is vertex removal

    從多解析度方案和簡化技術兩個方面對已有的主要方法進行了分類和總結;提出了一種基於網格頂的地形模型簡化演算法,該演算法的簡化準則基於視覺特徵、誤差測度基於網格頂、簡化技術則是頂剔除;在此基礎上,提出了一種視野相關的地形簡化和繪制方法,該方法通過虛擬的網格頂包圍球來測度誤差,實現視野相關的地形簡化。
  20. In this paper, the concepts, the historical background, the importance and current application of scientific computing and visualization of scientific computing are introduced and the visualization of computational detonation mechanics is specially expounded. based on the sumarization of the visualization software visc2d and visc3d directing at the mmic ( multi _ material in cell ), the key point of the improvement and the research contents are listed. based on the basic visualization reference model and the data file format of mmic, the file format of vector data is defined. the 2 - d data field visualization technology is described in detail. include the visualization of scalar field and vector field. the weak points of the visc2d software is overcome, and we propose the full - frame coloring mapping method and the visualization of the vector data using the clic ( coloring _ noise line integral convolution ). in addition, the method to draw and display shock wave by edge probing operator is introduced. in the design of the program, in order to overcome the shortcoming of visc2d with sdi ( single document interface ), the software vsv ( visualization of scalar and vector ) with mdi ( multi document interface ) is designed. compared with visc2d, the advantage of vsv includes : ( l ) vsv is a mdi applied software which can be used to view various kind of data, ( 2 ) vsv resolves the flash during displaying moving images which are produed by full - frame coloring method used to the visualization of scalar fields, and ( 3 ) vsv can be used to visualize vector field such as velocity. at last, the visualization of the output data from mmic in explosion and shock is realized by vsv

    首先簡要介紹了科學計算科學計算可視化的概念、歷史背景、意義及應用現狀,重說明了計算爆炸力學中的可視化問題,在總結多流體網格程序mmic的可視化軟體visc2d和visc3d的基礎上提出了改進要和本文的研究內容。在介紹可視化基本參考模型和mmic程序的數據文件結構的基礎上,給出了數據文件的結構,詳細闡述了二維數據場的可視化技術,包括標場和場的可視化,針對原visc2d軟體的不足,給出了改進方法,提出了全幀著色映射方法和用於數據可視化的基於噪聲著色的線積分卷積方法,以及提出了利用邊緣檢測運算元提取和顯示沖擊波的方法。在程序設計上,針對原visc2d軟體只適用於單文檔窗口的缺,本文利用多文檔mdi窗口,研製了標場的可視化軟體vsv ( visualizationofscalarandvector ) 。
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