空間發射體 的英文怎麼說

中文拼音 [kōngjiānfāshètǐ]
空間發射體 英文
space emitter
  • 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...
  • 發 : 名詞（頭發） hair
  • 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） ...
  • 體 : 體構詞成分。
  • 空間 : space; enclosure; room; blank; interspace
  1. Because it ’ s hard to get radiation - harden hardware overseas, so the software fault tolerance techniques are significant for our national space enterprise. the computer platform of 863 plan project ” micro intelligent free - flying space robotic system ” consists of cots component. the orbit and the radiation environment of the robot are similar to ones of the argos satellite, and the system is required to have high reliability. therefore it ’ s necessary to applied the software fault tolerance techniques into the system to improve the anti - radiation capability after the techniques been verified valid

    因為我國很難從國外獲得輻射加固的硬體，所以，這項軟體容錯技術對我國航天事業的發展具有較大意義。 863計劃項目「小型智能飛行機器人系統」所用的計算機平臺採用商用器件，其衛星的運行軌道與argos衛星軌道近似，面臨的輻射環境與argos衛星相似，要求具有高可靠性。因此，小型智能飛行機器人系統有必要在驗證sihft技術有效的基礎上，應用軟體容錯技術，提高其空間抗輻射能力。
  2. 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。
  3. ( 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。
  4. So combine the item of “ space targets surveillance photoelectricity telescopes arrays system ”, this thesis does research in developing space targets visualization system. the main achievement in this thesis can be summarized as follows : 1. expatiate e the basic theory of satellite track dynamic, analyse the orbit characteristic of two - body problem and launch window, subastral point calculation, visibility and coverage analysis, two - line element sets

    本文結合「空間目標監視光電望遠鏡陣系統」課題，進行了空間目標可視化系統的設計和研究，主要作了以下幾方面的工作: 1 、闡述了衛星軌道動力學的基本原理，分析了二體軌道特性和發射窗口的基本特性，星下點軌跡計算、可見性和覆蓋分析和兩行根數。
  5. Nasa launches spacecraft named dawn to explore vesta and ceres, the two largest bodies in the asteroid belt situated between mars and jupiter

    美國太空總署發射了宇宙飛船黎明，探索在火星與木星間隕石帶中的兩顆最大的天體灶神星與穀神星。
  6. From the fourier space k corresponding to the scattering field of the object, an imaging evaluation mechanism based on the spatial spectral coverage is proposed

    摘要從物體散射場對應的傅里葉空間出發，提出基於空間譜域分佈的成像系統定性評價體系。
  7. Because that complex phenomena in pegs involve kinetic effects of plasma and cathode emitted electrons, and evolution of electromagnetic fields, particle - in - cell ( pic ) code is chosen as study tool, and a two and half dimensional cylindrical fully electromagnetic pic code cylinder2 - 1 / 2d, which is suitable for simulating the operation of the pegs, has been established

    考慮到peos物理現象涉及到等離子體和陰極發射電子的動力學行為以及空間電磁場的復雜變化，我們採用粒子模擬方法作為研究工具，研製了適用於peos物理問題模擬研究的二維柱坐標全電磁粒子模擬程序cylinder2 - 1 2d 。
  8. In this thesis, we studied the emission spectra of laser ablation al and cu plasma. ( 1 ) the emission spectra and space - resolved - spectra of aluminum plasma were observed by pulsed q - switched yag laser

    （ 1 ） a1等離子體光譜：在380 500nm范圍內觀測到激光燒蝕a1產生的等離子體發射光譜及空間分佈特徵。
  9. The main research contents of the physical design include : presenting the domestic and international status of space weather and expanding on the need and the importance about the space weather forecast ; sorting the disastrous space weather and discussing their effects and adapted prediction methods ; analyzing the solar disturbing resources of space weather and the precursor or concomitant phenomena of solar eruption based on the newest observational results ; probing into the radiation principle of solar short - wave ray and presenting the computing methods about solar continuum and line spectrum radiation ; extrapolating physical methods of reconstructing the temperature and the emission measure of coronal plasma ; argumenting the effective observing spectrum for space weather empirical forecast and space weather numerical forecast

    物理設計的主要研究內容包括：分析目前國內國際空間天氣預報的發展現狀及開展空間天氣預報的必要性和重要性；分類討論了災害性空間天氣的種類、影響及目前國際上的預報方法：分析了空間天氣太陽擾動源及擾動源爆發的先兆現象或者伴生現象；討論了太陽短波輻射線譜和連續譜輻射強度的計算方法：推導了利用望遠鏡多波段的觀測結果反演日冕等離子體溫度、發射量等參數的物理方法：論證了開展空間天氣經驗預報和發展數值預報有效的成像譜段。
  10. Within 3mm of near the al target, there were the continuum spectra and the line emissions, the former was produced by bresstrahlung and compound of electrons, the later came from the excited state of al, al + and al2 +. in order to analyze the shape of the aluminum resonant double lines, al 1396. 15nm and al i394. 40nm, relative intensities of the double lines were acquired by integrating the area under the double lines, respectively

    在近靶面3mm左右的范圍內， a1等離子體的發射光譜主要是連續輻射形成的連續譜和疊加於連續譜上的分立譜，其中連續輻射主要由電子的韌致輻射和復合輻射產生， a1原子譜線比離子譜線在空間上分佈范圍更廣。
  11. Barrier cracks cannot stop the extending of a fracture, and the strength of the sample is reduced by almost one magnitude because of the existing barrier cracks. there are great differences of ae distribution between specimens with non - penetrate crack and specimens with penetrate crack. as for penetrate crack, ae occurs near the two end of the crack, and for non - penetrate crack, crack, ae occurs near the two end of the crack, and for non - penetrate crack, ae occurs near the front edge of crack, which can be explained well by the theory of 3 - d fracture ; ae distribution near the outer part of collinear crack is similar with that of the end of penetrate crack, and inner part of collinear cracks will run - through with high loads

    關于預制裂紋系對巖石破裂的影響，集中討論了：空障礙體構造不能阻止主裂紋的擴展，反而會使巖石的破裂強度降低近一個量級；由於構造的不同，非穿透切口樣品和穿透切口樣品的聲發射空間分佈特點有本質區別，穿透切口樣品的微破裂在切口兩端發育，而非穿透切口樣品的微破裂在切口兩端之間切口前緣處發育，這用三維破裂理論可以很好地解釋；含共線構造的巖石，裂紋外端的聲發射分佈與單裂紋構造中裂紋端部的聲發射分佈相似，裂紋內端聲發射有密集分佈，在應力達到一定水平時，內端部發生錯斷，而不是貫通。
  12. The remote measurement system of the torque was designed, used wireless transmitter and receiver devices to transmit the signals, avoiding the errors which brought by slip ring, and solving the problems that are the space narrowness or connecting difficulty for the moving objects

    設計了扭矩遙測系統，使用無線發射接收裝置進行扭矩信號的傳輸，避免由集流環傳輸數據時帶來的誤差，而且解決了空間狹小或是被測物體處于運動之中而導致引線困難等問題。
  13. In icf ecperiment, the x ray produced by laser plamsa mainly distributes in sub - kilo electron volt region, whose overall energy, energy - spectrum characteristic, projecting time and its distribution in space are basic dataes in theory and experiment

    在icf實驗中，激光等離子體產生的x光主要分佈在亞仟電子伏特區（ 0 . 1 - 1 . 5kev ） ，它的總能量、能譜特徵、發射時間過程和空間分佈都是理論和實驗極為關心的基本數據。
  14. This paper makes a professional research on the spatial organization of harbin metropolitan area. through extensive field survey information, define the geographical scope of harbin metropolitan is harbin as area center, an area of about 35, 000 square kilometres in size, with a radius of 100 kilometres around the region of radiation, including at the harbin city and the surrounding wuchang, shuangcheng, acheng, shangzhi, binxian and zhaodong. social - economic development, urbanization and rural development zone building contributed to the development of common harbin metropolitan area formation ; with the reform and opening - up program and the continuous deepening of global economic integration, harbin metropolitan area will face in the future development of more opportunities and challenges

    本文對哈爾濱都市圈空間組織進行實證研究，通過對大量的實地調查資料，界定了哈爾濱都市圈的地域范圍是以哈爾濱為中心，幅員面積約3 . 5萬平方公里，區域輻射半徑為100公里左右，現階段包括哈爾濱市及周邊的五常市、雙城市、阿城市、尚志市、賓縣和肇東市;社會經濟的發展、開發區的建設以及鄉村城市化的發展共同促成了哈爾濱都市圈的形成;隨著改革開放的深入和全球經濟一體化的不斷深入，哈爾濱都市圈在未來發展中將面臨更多地機遇和挑戰。
  15. Workplace air - determination of molybdenum - icp - aes method

    車間空氣中鉬的等離子體發射光譜測定方法
  16. The registration convention, which entered into force in 1976, imposed on the duty of registration to the launching states and established the mandatory system of registering objects launching into outer space

    摘要1976年《登記公約》確定了發射國對其發射的空間物體的登記義務，從而建立了空間物體的強制登記制度。
  17. So combine the item of " space environment primary numerical simulation platform ", this thesis is focus on the research of orbit design and analysis. the main achievements in this thesis can be summarized as follows : 1. introduce the reference frame and time system used in orbit design particularly

    本文結合「空間環境利用初級數值模擬平臺」課題，進行軌道設計與分析的研究，主要作了以下幾方面的工作： 1 、詳細介紹了用於軌道設計的坐標系統和時間系統，分析了二體軌道特性和發射窗口的基本特性。
  18. High speed photography is applied to take pictures of high pressure injection fuel spray, a new formula for calculating the spray development under the high injection pressure is developed

    摘要利用高速閃光攝影技術，對高壓噴射噴霧體空間發展規律進行了試驗分析，提出了一個新的計算高壓噴射噴霧體發展的數學公式。
  19. According to the value of the testing, we can draw the conclusion that the value of the inductor get from the computation is corresponding with the testing value, and our inductors can be used in high frequency from 1mhz to 200mhz. the new method of fabricate thin film inductor would bring the inductor from three - dimension to two - dimension, minish its volume and weight and content with the requirement of " small 、 light and thin " for the apparatus

    實際的測試表明，我們所推導的薄膜電感計算式能較好的符合測試結果，所製作的it用薄膜電感可用於1mhz 1ghz的射頻段，擴寬了電感的使用頻段，並使電感從三維向兩維空間發展，減小了電感的體積、重量，滿足了器件「小、輕、薄」發展的需求。
  20. The whole performance of device depends on the capability of field emitting cold cathodes which act as the kernel of all kinds of vacuum micro - electronics device. people take much measure constantly to improve the whole performance of device through mending the cathode structure and optimizing cathode preparation methods. among them, finding new material of emitting cathode is a central way to enhance the performance which be given a favorable condition offered by development of science and researching of new material

    人們通過不斷的改進陰極結構，優化陰極的制備工藝等各種措施和手段來提高陰極的總體性能，其中，新材料在陰極發射體中的運用是提高陰極性能的主要途徑之一，近代科學技術的高速發展以及對新材料的進一步開發和研究為場發射陰極性能的改善提供了廣闊的發展空間和開發潛力。
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