極線 的英文怎麼說

中文拼音 [xiàn]
極線 英文
drag polar
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. During the winding of magnetic pole coils used in synchronous electric motors, cold hardening is induced by press bending at 90, by which the coils are hard to be pressed and shaped, thus local resistivity increases and results in influence on the coil lifetime

    摘要同步電動機磁極線圈在編繞加工時, 90角處因壓彎而產生的冷作硬化現象使圈無法裝壓成型,且局部電阻率增大,甚至影響磁極線圈使用壽命。
  2. Based on projective geometry, the research works about 3d invariance ' s extraction and application have been done in this thesis as following : ( 1 ) the basic theories and concepts in projective geometry are systematically summarized. it includes : the camera models of perspective imaging, projective collineation, cross ratio, a simple compare about invariance ( invariant ) among some geometry transformations, fundamental matrix, epipolar and epipolar line in epipolar geometry, and so on. ( 2 ) the calculation methods for 2d projective transformation are extended from points to multi - element, which includes points, lines, points lines and so on, to get the relationship between two projective planes

    基於射影幾何理論,論文圍繞3d不變特徵的提取和應用進行了如下的研究工作: ( 1 )系統總結了射影幾何中的若干基礎概念,包括:透視成像的相機模型、射影對應、交比不變量、基於不同幾何變換下的不變量的簡單對比、對幾何中的基礎矩陣、對點、對極線等。
  3. Discharge electrode : wire type, needle type, star type, cross type, fishbone type

    放電極線型、針型、星型、十字型、魚骨型。
  4. Abstract : this paper describes the procedure required for an image geometric operation. a actual example for converting image of scanning beam form to coreline form is given

    文摘:介紹了圖像幾何運算的兩個步驟,並以按水平掃描排列的數字圖像轉換為按外極線排列的圖像為例,具體闡述了圖像幾何運算的方法。
  5. The fluctuating mangnetic field cutting across the turns or loops of wire of the secondary coil sets up an electrical pressure or voltage in these loops.

    起伏變化的磁場橫向切割著次極線圈的匝和環時,會在這些環中引起電壓。
  6. By studying the geometry relationship among the corresponding points on three different projective planes based on epipolar geometry, it obtained the trilinear tensor constraining corresponding points of different view

    該方法在極線幾何的基礎上,通過研究物體在3個不同透視投影平面上對應點之間的相互關系,得到描述不同圖像上對應點關系的一個三性張量。
  7. Bnzs code bnzs

    碼一種雙極線
  8. In the stage of calibration, we use the method which was presented by zhang zhengyou, to calibrate the single camera and rectify the lens distortion. furthermore, we use the method presented by fusiello to do the double cameras calibration and epipolar rectification

    在立體標定階段,本文採用張正友的方法實現了單攝像機的標定並完成了圖像畸變的修正,進而採用fusiello的方法實現了雙攝像機的標定並完成了立體圖對的外極線校準。
  9. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images , an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept , only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result , sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col : ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 , an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri : ace of object successfully he 。 叩 proach , called rered ature mopmp consists of two pans at fst , an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel , called ae , ea atures , or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 , some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt , nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient , especially n rendering those objects with a smaller depth rnge compared withtheir size , such as relief surfaces of building

    與己有的三維變換方法相比較,該方法不但成功地填補了由於投影區域擴張而產生的第一類空洞,而且成功地填補了由於空間深度非連續物體相互遮擋而產生的第二類空洞,從而方便地實現了虛擬環境中的漫遊;基於物體表面深度的連續性,本文提出了一個位移預測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的位移信息,從而大大提高了演算法的效率:與通常的正向映射演算法相比,此演算法克服了多幅參考圖象所帶來的計算量成倍增長等問題,而且誤差較小。 2 )基於極線幾何的快速逆映射演算法。利用參考圖象的邊界信息與隱含的遮擋關系,以及極線幾何的性質,本文第三章提出了一個基於極線幾何的快速3 『一中國科學院軟體研究所博士學位論文基於圖象的快速繪制技術的研究逆映射演算法,從多幅參考圖象精確合成當前視點目標圖象。
  10. The type and basic data of the oil presser for the magneto coil

    極線圈油壓機.型式與基本參數
  11. Based on an analysis of the formation mechanism of induced current in underground pipelines, the author holds that, where underground media show very poor conductance, underground pipelines are dominated by magnetic dipole lines, and where underground media have certain conductance, pipelines are equivalent to electric wires

    摘要通過對地下管中的感應電流形成機理分析,本文認為,當地下介質導電性很差時,地下管以磁偶極線為主;而當地下介質存在一定的導電性時,管則等效于電流
  12. The general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展,主要介紹磁偶子,有限長磁偶極線帶,磁粉顆粒的受力,磁化場方向對磁粉顯現缺陷的影響,棒料、管材和方鋼的縱向磁化,工件表面溝槽深度對其引起漏磁場的影響,周向磁化時工件底棱上的雜亂顯示成因,圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  13. In the stereo matching part, the area - based stereo match and the control strategy based on epipolar line are discussed in detail

    在立體匹配部分,我們著重介紹了區域匹配技術以及用於全局控制的極線約束方法。
  14. Water is used for carrying away the pollutants collected by electrodes and sheets and maintain the reactor in optimal operating conditions

    利用水將極線與集板收集下來的污染物帶走,並保持濕式靜電集塵在最佳操作狀
  15. Abstract : the general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    文摘:簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展,主要介紹磁偶子,有限長磁偶極線帶,磁粉顆粒的受力,磁化場方向對磁粉顯現缺陷的影響,棒料、管材和方鋼的縱向磁化,工件表面溝槽深度對其引起漏磁場的影響,周向磁化時工件底棱上的雜亂顯示成因,圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  16. Scales and sizes for frequency characteristics and polar diagrams in acoustics

    聲波的頻率特性和極線圖表的比例和尺寸
  17. The explanation for this “ spooky action at a distance ” ( to borrow a term from quantum mechanics ) is that a grid of wires underneath the screen emits an electromagnetic field that causes a coil inside the pen to oscillate at a resonant frequency

    這種幽靈似的超距作用(從量子力學借來的術語) ,是因為螢幕下方的柵極線路會發出電磁場,讓專用筆內部的圈以某個共振頻率振蕩。
  18. Artificial feature landmark is first leaded into vision computation in this paper. our approach is to extract marker points and to use correlation to find an initial set of matches, then use relaxation, robust recover epipolar geometry and reprojection to discard false matches in this set and find more matches

    首次將人工圖標引入視覺計算,通過提取人工特徵點,採用灰度相關法進行初始匹配,再利用鬆弛法、魯棒估計基礎矩陣恢復極線約束和結構再投影法剔除錯誤匹配點、尋找更多匹配對。
  19. Firstly, the voltage sample signals from ac exciter stator coil were de - noised and filtered by means of decomposition of the wavelet function. secondly, the character frequency region of the rotating rectifier fault was selected clearly with wavelet package decomposition and reconstruction

    先對交流勵磁機定子磁極線圈電壓采樣信號進行消噪濾波,再通過小波包分解和重構進行特徵頻率提取,建立了表徵旋轉整流器故障的特徵向量。
  20. In this paper, i will present some algorithms of polyhedral visual hull reconstruction : ( 1 ) polyhedral v isual h ull generation a igorithm b ased one dge - pool - searching, which constrains the 3 - d intersections into the 2 - d planes intersection via the epipolar theory to reduce the complexity a nd c an r educe t he t imes f or c ones t o b e p rejected o nto t he i mage p lanes, i n which we induced the index list to every points on the surface of object, and connected the related points to get sub polygons on surface and in turn get the mesh model, we replace triangulation process of disordered points cloud by edge - pool searching. ; ( 2 ) reconstruction based on degenerated - polygon - intersection, which have the following improvements on traditional bull intersection : using degenerated polygon to orga nize intersected area on cone face, which may be discontinuous ; a fast intersection algorithm of polygons on the cone face based on degenerated polygons, which is consistent between the continuous polygons and the discontinuous ones. the intersection of degenerated polygons is similar to the convergence of two ordered lists, which is comparably simple to the bull operation ; ( 3 ) reconstruction algorithm based on ray - tracing, in which all the rays that run through the vertex on silhouette of object will intersect with all the cones correspondent to other silhouette, and we have to calculate the intersection of all such line segments, the endpoints of which are considered to lie on the surface of object and we will get the point cloud on the surface of object

    同時利用共極線原理把三維計算投影到二維平面以降低求交計算的復雜度,該演算法可以減少光錐向圖像平面投影計算的次數,以邊池搜索取代散亂點集上進行的三角剖分; ( 2 )基於退化多邊形求交的多面體可見殼模型重構,系統引入退化多邊形的概念,把錐體平面的交集中不連通的部分用一個退化多邊形來表示,並引入了新的基於退化多邊形的求交演算法,與傳統多面體可見殼重構相比,該演算法有以下幾點創新:在圖像平面以退化多邊形組織投影錐體和物體輪廓的交集,把任意錐面與物體輪廓的交集歸一到一個退化多邊形;基於退化多邊形的二維平面上多邊形快速相交演算法,該演算法在一定程度上就是兩個有序鏈表的合併,大大簡化了先前的布爾求交計算; ( 3 )基於光跟蹤的演算法,該演算法中所有通過輪廓頂點的光和對應其它圖像輪廓的光錐進行求交計算,最後得到每次求交計算得到段的交集,該段的頂點就認為是物體表面點,從而得到物體表面的點雲。
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