縱向推進器 的英文怎麼說

中文拼音 [zōngxiàngtuījìn]
縱向推進器 英文
longitudinal thruster
  • : Ⅰ動詞1 (釋放; 放走) release; set free; let go 2 (放任; 不約束) indulge; give oneself up to; l...
  • : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
  • : 進構詞成分。
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 縱向 : [造紙] direction; machine direction; endwise; longitudinal direction; vertical; longitudinal縱向...
  • 推進器 : impellent
  • 推進 : 1 (推動工作 使前進) push on; carry forward; advance; give impetus to 2 [軍事] move forward; dri...
  1. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光的發展狀況、主要特性及其應用,從四能級速率方程出發,導了ld泵浦nd : yag激光的閾值、輸出功率和斜效率的表達式,並簡述了激光的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光和透鏡組耦合高功率ld泵浦nd : yag激光,對激光的輸出功率和功率穩定性等特性行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光以單模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  2. It has been derived the design equation, the engaging condition and the formula of overriding friction torque. this has laid an important theoretical foundation for further reliability optimum design. then we can make the clutch have small size, light weight, less friction, flexibility of overrunning in opposite direction and smooth joint at high speed

    本文吸收了機械操式超越彈簧離合的優點,在結構上行了新的設計,在理論研究上行了新的探索,導出了設計方程、自激接合條件和超越摩擦力矩計算式,為一步採用可靠性優化設計奠定了重要的理論基礎,使設計的離合尺寸小、重量輕、摩擦損失小,反超越靈活,在高速下接合平穩,並通過實驗驗證,說明其理論分析是正確的。
  3. Submarine is one of the most important facilities in ocean exploitation and research. with the development of submarine it requires lighter, smaller fittings, and meanwhile must satisfy the maneuverability demand

    是海洋開發與研究的重要工具之一,它的發展要求其本身更加輕量化、小型化,同時還要滿足其操性能的要求;全方便是基於上述要求應運而生。
  4. This is the first time in the world to optimize the full igbt vertical structure. the device models, establishing method of model, the selection method of best structure and technology can be used by optimization of other igbt and relevant devices, which have important application value

    本研究在國際上首次對igbt完整的結構行了模擬優化,研究中涉及到的件模型、建模方法、最優件結構以及製作工藝的確定均可廣到其它類型igbt及開關件的優化設計及性能分析中,因而具有重要的實際意義。
  5. The new structure igbt boosts the performance of igbt to a new level and has a bright future. the research gets the whole optimal vertical structure and the corresponding technology based on lpl - igbt. the igbt made by corresponding technology has the best performance

    新結構低功耗lpl - igbt將igbt的性能了一個新的水平,應用前景十分廣闊,本研究在上述件結構基礎上通過一步的模擬最終確定了件完整的最優化結構以及與之相對應的製作工藝,根據我們提出的製作工藝制得的igbt具有最優的性能。
  6. In 2007, the developing idea of kundiao electric apparatus is to continue prompting the development of ourselves, so as to change from the provider of electric equipment products to be the guide of electric apparatus customers ; change from the provider of product ( service ) to the disseminator of the brand ( culture ), change from the national chain which got the upper hand to the international brand that move toward trade

    2007年,昆雕電的發展思路是繼續自身的深發展,使昆雕電從電產品的提供者轉變為電消費的引導者,從產品(服務)的提供者轉變為品牌(文化)的傳播者,從規模製勝的全國連鎖轉變為引領行業走的國際品牌。
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