極投影 的英文怎麼說

中文拼音 [tóuyǐng]
極投影 英文
polar projection
  • : 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...
  • : Ⅰ名詞1 (物體擋住光線后映出的形象) shadow 2 (鏡中、水面等反映出來的物體形象) reflection; image...
  1. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平,本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案,第一種方案將尺寸鏈中各組成環能取的值組合起來,自動列方程組,求解每個組合情況下的封閉環尺寸,最後比較這些結果,得出封閉環的最大最小值;第二種方案將尺寸鏈各組成環向預先設定好的兩個方向,之後再分析各尺寸環分量的增減性,並且提供了組成環兩個方向上的分量增減性不一的復雜情況下的解決辦法,綜合組成環各分量的增減性,然後自動列出方程組,最後根據各組成環的分量以及所列的方程組來確定尺寸鏈封閉環的尺寸;第三種方案以蒙特卡洛法為原理,在尺寸鏈各組成環的取值范圍內使用計算機產生大量隨機數,模擬實際大批量生產中的零件尺寸分佈情況,以更經濟更合理的方式分析、計算封閉環尺寸。
  2. An image of the object is projected by the object lens on to the photocathode of an image converting tube.

    物象通過物鏡在變像管的光陰上。
  3. The function of illumination optics for projection displays is to direct light source onto a small area of microdisplay within a limited incident solid angle, and therefore the collection efficiency is especially important compared to other illumination applications, which is also the main technical issue for led application to projection displays

    摘要顯示之照明系統須將光能量集中照明於一小面積與小角度之內,相較于其他照明之應用,其集光效率之考量更為嚴苛,亦為發光二體于顯示照明應用中最主要之技術課題。
  4. The stereographic projection must be supplemented by other constructions.

    赤平還要有其他的作圖方法加以補充。
  5. This rotation can be simplified by plotting the positions of the principal sections and principal axis on a stereographic net as described by jessop and wells from the rotations recorded.

    按照傑索普和威爾士所論述的方法,根據記錄下來的轉動角,把主截面和主軸的位置畫到一個射赤平網上,可使上述過程簡化。
  6. Universal polar stereographic projection

    通用球面
  7. Polar stereographic map projection

    球面
  8. Stereographic polar projection

    球面
  9. 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

    該方法在線幾何的基礎上,通過研究物體在3個不同透視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線性張量。
  10. Three imaging methods are introduced : range - doppler imaging, projection tomography imaging, polar - doppler imaging. several interpolation methods are introduced, and their simulation results are compared, and cubic spline interpolation is proved to be the best

    介紹了最基本的三種成像方法:直角坐標距離-多普勒成像、層析成像和坐標距離-多普勒成像。
  11. 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,以及線幾何的性質,本文第三章提出了一個基於線幾何的快速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。
  12. On the basis of appraising a traditional method, the method of the stereographic projection and proportionally stereographic projection of a solid volume, this paper has introduced such methods as determination of dominant discontinuities, kinematic tests for rock - mass failure modes, geometrical judgment of a removable block, and determination of a key block, extending perfecting the traditional method, and thus making it has better suitability or availability and practicality

    摘要本文在評價用傳統方法即赤平和實體比例方法分析節理邊坡穩定性的基礎上,結合具體工程實例引進了優勢結構面的確定、巖體破壞模式的運動學判釋、可移動塊體的幾何判定和關鍵塊體的確定等方法,使傳統方法得到拓寬和完善,從而具有更好的適用性和可操作性。
  13. A polar projection of half or more of the celestial sphere on a chart equipped with an adjustable overlay to show the stars visible at a particular time and place

    星座一覽圖天體球的一半或多半在平面圖上的極投影圖,這種圖具有可調節的遮蔽物以顯示在給定時刻和位置可見的恆星
  14. The maximum likelihood registration algorithm based on earth - centered earth - fixed ( ecef ) coordinate system considers the geometry of the global, and eliminates errors introduced by the stereographic projection. the simulation result based on this registration algorithm shows that the satisfied angular biases can be preliminarily obtained. 5

    基於地心坐標系的傳感器大似然配準演算法考慮到了地球曲率的響,克服了立體法的缺陷;採用這種演算法,我們可以把不同傳感器局域坐標系的量測轉化到地心坐標系中,變成統一的量測,便於融合中心做進一步的處理;模擬結果表明這種演算法可以得到較為滿意的角度偏差。
  15. Stereographic technique is used in the analysis of the footwall slope in the open - pit of bangmoshan iron mine. the slope fracture mode and the slipping direction of unstable blocks are given and the stable slope angle is calculated to be 46

    運用赤平的方法,對棒磨山鐵礦露天采場下盤邊坡進行了穩定性分析,給出了邊坡破壞模式和不穩定塊體的滑動方向,並推算穩定邊坡角為46 。
  16. According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison

    首先著重研究響邊坡穩定性的內在因素,主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料,建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部響因素,並結合赤平對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價,並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類,並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體限平衡法求出了不同工況下的安全系數。
  17. ( 2 ) we design a model based on compound electrodes, imaged the different object in diameter, conductance by means of back - project algorithm to imaging the physics model and getting actual poison, clear profile

    ( 2 )設計復合電結構的物理模型,採用反演算法,實現對不同直徑、不同電導率、不同個數的物理模型動態成像,成像結果位置準確,輪廓清晰。
  18. During 1970s and 1980s, cpusa took an active part in labor movement, peace movement, the youth movement. minorities movement and ran for president

    在70 、 80年代美共積身於勞工運動、和平運動、青年運動、少數民族運動,積參加竟選活動,其響和實力都有所恢復。
  19. The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed

    本文採用光棚相位法和數字卷積濾波技術:根據柵線的條紋灰度值分佈具有小分佈的特性,提出卷積濾波形貌光學自動檢測的圖像處理方法,有效地實現了頻譜自動移位,從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度;同時對採用兩光學主軸相交,且非遠心系統所產生的誤差進行了分析,並提出了修正方法。
  20. There are mainly two type of algorithms used for spatial spectrum estimation : one is those based on bayesian maximum likelihood method, like the ml ( maximum likelihood ) algorithm, maximum entropy method and etc., the others are based on the spatial decomposition or projection of correlation matrix, this kind of algorithm include vector characterization method, music ( multiple signal classification ) algorithm, projection matrix method, etc. music is a classical spatial spectrum estimation algorithm that has a super high resolution and is widely used today, however, it cannot estimate doa of signals that are correlated

    空間譜估計的演算法大致分兩大類:一是基於大似然估計和最大后驗概率估計統計理論的演算法,包括:大似然估計法( ml ) 、最大熵法等;另一類是基於對協方差矩陣進行子空間分解或的演算法,包括:矢量特徵法、多重信號分類法( music ) 、矩陣法等。其中, music法是一種經典的空間譜估計主流演算法,具有超強的分辨性能,但它無法實現對相干信號進行測向分辨。
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