parallel beam 中文意思是什麼

parallel beam 解釋
平行波束
  • parallel : adj 1 平行的；并行的 （to; with）; 【電學】並聯的。2 同一方向的，同一目的的。3 相同的，同樣的，相...
  • beam : n 1 梁，棟梁，桁條；（船的）橫梁。2 船幅；（動物、人的）體幅。3 （秤）桿，杠桿，（織機的）卷軸，...
  1. The diffusion welding behavior of single - crystalline cu to single - crystalline - aio with a nb film interlayer and the joint microstructure properties were studied by tem, sem / eds analyses and four - point bend testing. the nb film interlayer deposited by electron beam evaporation on the ceramic side prior to diffusion welding was found to be olycrytalline and fiber - textured after diffusion bonding, with the close - packed plane ( 110 ) being parallel to the ( 0001 ) basal plane of - aio

    擴散連接技術是一門邊緣科學，涉及材料、擴散、相變、界面反應、接頭應力應變等各種行為，工藝參數多，雖然已經進行了大量的試驗研究，但卻對各種材料的連接機理尚未有明確的認識，為此人們試圖藉助于計算技術，對接頭行為進行數值模擬，以便找到共同規律，對擴散連接過程及質量進行預測與實時控制。
  2. By using a reflector and two pentaprisms, one beam of light is separated into two parallel beams, then respectively they are received by two optical systems of the large scale photoelectric theodolite with certain imaging d - value which correspondingly represents each optic axis parallel error of these two optical systems

    方法是利用一塊反射鏡和兩塊五棱鏡將一束準直光束分光成兩束平行光束，大型經緯儀的兩個光學系統分別接收這兩束平行光，兩束平行光所成像的脫靶量差值即為兩光學系統的光軸平行度。
  3. Error : element 16 is close to parallel with its beam section axis

    使用梁單元出現如下錯誤，是什麼原因？ ？
  4. T he result show that the training sessions before the major competition were effe ctively carried out, which ensured that the chinese national gymnastic team won the champions of the olympic men ' s team, parallel bars and balance beam

    結果表明，中國體操隊大賽前訓練課的有效實施，是該隊奪得悉尼奧運會男子團體及雙杠、平衡木冠軍的根本保障。
  5. This paper regards narrow fan - beam scan mode as multi - detector parallel beam scan mode

    本論文將窄角扇束掃描看成是多探頭的平行束掃描。
  6. Its image reconstruction belongs to the image reconstruction under narrow fan - beam scan mode. after comparing different algorithms, this paper introduces convolution back projection algorithm for the parallel image reconstruction

    採用高能直線加速器作為射線源的高能x射線工業ct機多採用窄角扇束掃描方式，其圖像重建屬窄角扇束掃描方式下的圖像重建。
  7. The narrow fan - beams are reset into parallel beam then the image reconstruction is conducted by parallel beam " convolution back projection algorithm, which combines the high scan efficiency with the convenience of image reconstruction. this paper analyses the parallelism in narrow fan - beam " convolution back projection algorithm, divides the task of image reconstruction into several subtasks, and discusses the parallelization of narrow fan - beam " decomposition and reset, parallel beam " convolution back projection, and image accumulation

    對于窄角扇束掃描方式，把窄角扇束重排成平行束，再由平行束卷積反投影重建演算法來重建圖像，是把掃描的高效率和重建方式的簡便易行很好的結合起來。本論文對窄角扇束卷積反投影演算法進行了并行性分析，指出把圖像重建任務分解為多個子任務并行工作，並在工作站機群上討論了窄角扇束的分解、重排、平行束卷積反投影圖像重建、圖像合成的并行實現。
  8. In the part of mechanics, to compound the staffs system, the beam method is used in the paper, then, analysis their mechanics instance. several kind of methods of compound are discussed, and machines of parallel manipulator are described in mathematics by chart

    在受力分析部分，本論文利用邊界元法合成桿件系統，進而對其進行受力分析，討論了幾種合成方式，並用圖的方法對並聯機構進行了數學上的描述。
  9. The results show that better resolution can be reached by using a gaussian beam, compared with that by using a finite - sized parallel beam

    數值計算結果表明：與一定光源孔徑的平行光束比較，採用高斯光束可以獲得更好的橫向、縱向解析度。
  10. In this paper, two novel algorithms of reconstructing high resolution images from both overlapped parallel projection data and overlapped fan beam projection data with low resolution are presented. one is called virtual detector algorithm, and the other is direct reconstruction algorithm. both of the algorithms with two forms for the parallel data and fan beam data respectively are developed based on the interpolative algebraic reconstruction techniques ( iart )

    本文在研究插值代數重建法（ iart ）的基礎上，根據特別設計的數據採集模式（平行相疊采樣和扇形相疊采樣） ，提出了由相疊低分辨數據重建高分辨圖像的兩個新演算法，即虛擬探測器法和直接重建法。
  11. This kind of switch use the unilateral fin - line as the basic transmission line, the beam lead pin diode of alpha co. ltd is the control element, there is two diodes in each channel and they are welded in circuit in parallel connection

    本課題主要研究的是毫米波鰭線pin管單刀雙擲開關。該開關採用單側鰭線作為基本傳輸線，控制器件選用alpha公司的梁式引線pin二極體，每路使用兩只，採用並聯形式焊接在電路中。
  12. Parallel beam projector

    平行光束投射器
  13. Paper and board - measurement of specular gloss - 45 gloss with a parallel beam, din method

    紙和紙板.用45度平行光束測量鏡面光澤， din法
  14. Paper and board - measurement of specular gloss - 75 gloss with a parallel beam, din method

    紙和紙板.光澤度的測量.用平行光束的75度， din法
  15. Paper and board - measurement of specular gloss - 45 o gloss with a parallel beam, din method

    紙和紙板.光澤度測量.第2部分: 45度平行光束， din法
  16. Paper and board - measurement of specular gloss - part 2 : 75. gloss with a parallel beam, din method

    紙和紙板.光澤度測量.第2部分: 75度平行光束， din法
  17. Paper and board - measurement of specular gloss - 45 gloss with a parallel beam, din method ; german version en 14086 : 2003

    紙和紙板.光澤度測量. 45度平行光束. din法
  18. Paper and board - measurement of specular gloss - part 2 : 75 gloss with a parallel beam, din method iso 8254 - 2 : 2003 ; german version en iso 8254 - 2 : 2003

    紙和紙板.光澤度測量.第2部分: 75度平行光束， din法
  19. Machine tools ; guillotine shears with parallel guided knife beam ; constructional sizes

    機床.帶平行導向刀臂的剪板機.結構尺寸
  20. The simulation results show that, either for parallel geometry or for fan beam geometry, high resolution images can be reconstructed by means of both the algorithms from the overlapped projection data. moreover, the quality of the images reconstructed by the virtual detector algorithm from the overlapped low - resolution projection data is almost as good as that of the images reconstructed directly from the high - resolution projection data

    大量模擬試驗結果表明，無論對平行束的相疊低分辨數據還是對扇形束的相疊低分辨數據，用虛擬探測器法和直接重建法均可由相疊低分辨數據重建出具有較高解析度的圖像。
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