射影空間 的英文怎麼說

中文拼音 [shèyǐngkōngjiān]
射影空間 英文
projective space
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 影 : 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...
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 空間 : space; enclosure; room; blank; interspace
  1. Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications

    與傳統的機械陀螺和光學陀螺相比，半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱，啟動時間短;信號頻帶寬，漂移噪聲低;能承受大的機動過載;抗核輻射，並可經受短時間電源中斷的影響;體積小，重量輕，功耗低，壽命長，非常適合空間應用。
  2. The mechanical environment is described in the paper and then the environments in three different orbits are proposed, called leo ( low earth orbits ), meo ( medium earth orbit ) and geo ( geosynchronous earth orbits ). the influence produced by the atomic oxygen, micrometeorites and debris, ionizing radiation and cold welding under vacuum is presented in the paper. some principles are proposed, which can be as the method to choose materials of the mechanism in space environment

    空間環境中力學環境對可動結構的影響直接關繫到機構的設計問題，所以本文第四章中嶽建如：中文摘要浙江大學博士學位論文20024首先詳細論述了空間環境中的力學環境，然後給出了空間環境的三種軌道環境劃分，及每一種環境影響因素對空間可動結構設計的影響，包括原子氧、離子射線、溫度、微隕石和碎片以及真空冷焊現象等環境因素，提出了材料選擇的原則，為可動結構材料選擇提供了一定的依據。
  3. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真空微電子器件場致發射理論的基礎上，根據圓錐形、楔形陰極真空微電子三極體的不同特點，分別建立了物理和數學模型，在考慮空間電荷密度影響的前提下，以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況，繪制出了等勢線、電子軌跡線，並得到了器件電學性能隨幾何參數的變化情況。
  4. According to the theory of scalar diffraction, first, the equipollence of spatial distribution of the plane - wave interferential field and parallel projective sine grating is discussed

    摘要根據標量衍射理論，首先討論了兩平面波干涉場的空間分佈與平行投影正弦光柵的等價性。
  5. ( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines

    （ 2 ） cu等離子體光譜：在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈；比較了激光能量對cu等離子體發射光譜、電子溫度的影響；用局部熱力學平衡（ lte ）近似，測得cu等離子體的電子溫度為104k數量級；在不同背景氣壓下，觀測了激光燒蝕cu等離子體光譜的空間分佈。
  6. The system stores spatial data and characteristic data into central database, and provides services to users in server / client mode. as the research emphases of this thesis, several key sub - systems are designed and realized. the digital map input and maintenance subsystem performs format conversion, editing and updating of spatial data ; the rail - track video playing subsystem uses video recording as reference data, then plays, inquires and traces the corresponding frames in synchronous to the scaled mileage, realizing the query of the active picture frames ; the digital map query subsystem fulfills the map query, preview and spelling of digital map orthograph

    其中，地形圖輸入與維護實現了數字地圖的格式轉換、編輯處理以及空間數據的更新操作，解決了不同格式空間數據的互相轉換問題；線路錄象播放將線路錄像數據作為系統的一種索引數據，活動影像的畫面與里程相對應，實現了基於線路錄像的播放、查詢和檢索的功能，實現了基於活動畫面的查詢檢索功能；數字地圖子系統完成了圖形查詢、數字地圖與線路正射圖像瀏覽、圖幅拼接等功能。
  7. Finally we prove that two types of totally real pseudo - umbilical submanifolds with ? at normal bundle must be minimal

    最後，還證明了復射影空間中兩種類型的法叢平坦全實偽臍子流形必是極小的
  8. The big effect of space environment upon launch and operation of space vehicle are discussed

    摘要空間環境條件對地面航天器發射和空間航天器系統運行有很大影響。
  9. We use a scaling matrix which make the algorithm generate sequences of point in trust region and the interior of the feasible set. because of the boundedness of the trust region, trust region algorithm can use non - convex approximate models

    構造合理的仿射變換矩陣，在投影空間構造信賴域子問題，產生迭代方向，使迭代點既保持在信賴域內，又是嚴格可行域的內點。
  10. After obtaining correct projective depths, we decompose the measurement matrix into camera motion in projective space and projective reconstruction by svd

    在獲得正確的射影深度后，通過奇異值分解將測量矩陣分解為射影空間下的攝像機運動和物體三維幾何形狀（射影重構） 。
  11. Combining the texture rendering of opengl with the display of cutting surface of 3d models, it is easy to observe the inner tissues or organs images information. in chapter five, we had studied the interactive visualization of acupuncture point of reconstructed 3d models. a interactive point orientation methods from the select operation of opengl is presented in this dissertation

    第四章對模型的剖切處理進行了闡述，為了觀察三維體數據內部組織結構和空間位置，避免表面重建不能顯示體數據內部信息問題，提出了一種類似光照投射法的演算法，採用射影空間矩陣進行運算來獲取切割面的圖像信息。
  12. Quaternionic projective space

    四元數射影空間
  13. Real projective space

    實射影空間
  14. We firstly talk about the basic concept and property of absolute point in projective space. then we build the constrained equations of camera intrinsic parameters by using its property and calibrate the camera

    首先介紹了射影空間中圓環點的基本概念和性質，然後利用其性質建立攝像機內參數的約束方程，實現攝像機自定標。
  15. The result confirmed the landform have the decisive influence on the solar astronomical radiation distribution. except that the solar altitude angle also have much to do with that

    結果表明：天文輻射的空間分佈狀況受地形影響極大，地形對天文輻射的再分配起著決定性的作用。
  16. In this paper, we are concerned with the sizes of t - blocking sets, ( k, r ) - arcs and caps in finite projective spaces, not only giving one theorem an elementary proof, improving some theorem " s results, but also proving some new exact values

    本文研究了有限射影空間中t - blocking集， arcs和caps中元素個數的上界值。不僅用自己的方法簡化了某些定理的證明過程，改進了一些定理的結果，而且還證明了一些新的精確值和上界值。
  17. Complex projective space

    復射影空間
  18. In this paper, we mainly study the totally real pseudo - umbilical sub - manifolds of a complex projective space : we discuss how to construct them and give the examples

    本文主要研究復射影空間中的全實偽臍子流形：討論它們的構造，並給出具體例子
  19. For recover the real structure of scene we should estimate the interior parameters of camera in further, and transform the structure of scene from projective space to euclidean space, this process named camera calibrating

    為了恢復場景或物體在歐氏空間的形狀，需要估計攝像機的內部參數，完成從射影空間到歐氏空間的轉變，這個過程稱為攝像機定標。
  20. According this technology, first we shot the scene from different angles use digital camera, then utilize the relation of epipolar geometry to estimate the exterior parameters ( the position and direction ) of cameras and to recover the scene in projective space, after this we use the technology of self - calibration to estimate the interior parameters of cameras and to recover the scene in euclidean geometry

    它利用攝像機拍攝場景或物體不同角度的圖象，根據不同圖象之間的幾何關系估計攝像機的外部參數（即攝像機的位置和方向）恢復場景在射影空間的幾何模型，再利用自定標技術估計攝像機的內部參數並進而完成場景在歐氏空間的重建。
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