推焦器 的英文怎麼說

中文拼音 [tuījiāo]
推焦器 英文
coke-pushing ram
  • : 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...
  • : Ⅰ形容詞1 (物體受熱失去水分 呈現黃黑色並發硬、發脆) burnt; scorched; charred 2 (著急) worried;...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  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、泵浦光斑位置等參數的選取依據,以此為依據,設計了自聚透鏡耦合小功率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進行了實驗研究;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,觀察到了激光以單縱模運轉;最後,根據泵浦光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,並進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斑的縱向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. On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed

    本文在透鏡成像理論的基礎上,系統、深入地分析了共掃描顯微成像的機理,論述了應用單模光纖的激光共掃描顯微成像系統的優點;進行了總體方案的論證,並設計確定了單模光纖激光共掃描顯微成像系統的總體方案;從理論上導分析了解析度要求與試驗系統中相關件主要參數之間的關系,分析了系統耦合效率和漸暈現象對光學系統的設計要求;完成了方案中光學系統和二維掃描控制電路的設計,並在電路設計中採用了用軟體解決檢流計式光學掃描(振鏡)非線性問題的新方法,能夠實現較為理想的二維模擬掃描;完成了高增益、低噪聲和低失真的探測接收系統的設計和調試。
  3. After the coke being puted into the coke - quenching device, the lid of the device should be shut at once. while the suction pump, refrigeration compressor, high pressured water circuling pump are started, the subpressure will be produced by the burning coke. then, in the vacuum, the coke will be extinguished in a flash. the burning of the coke instantly, still, produces a large quantity of heat which can be taken away by circulating water in refriger and the interlayer, after that, the temperature will fall to 60oc, even lower. in this condition, the coke will be pushed out to be stored, thus, the coke won ' t rekindle

    上攔車進入熄后,立即關閉罐蓋,同時啟動真空泵、冷凍機、高壓循環水泵,這時,燃燒著的炭就會因真空泵把熄內抽成負壓,由於缺氧,使炭熄滅,雖然煤炭在瞬間被熄滅,但由於炭生成過程中所產生的大量的熱量還存在,這時,冷凍機和夾層中的循環水的工作就會把炭中的熱量帶走,使之在短時間內將溫度降到60以下,在這種狀態下把炭從熄出入庫,炭就不會復燃。
  4. " arms " means any firearm, air rifleair gunair pistol from which any shot, bullet or missile can be discharged with a muzzle energy greater than two joules, electric stunning device, gunpistol or other propellingreleasing instrument from or by which a projectile containing any gas or chemical could be discharged, weapon for the discharge of any noxious liquidgaspowder, and harpoon or spear gun. animals and plants

    「槍械」指任何火;可發射任何射彈、子彈或投射物,而槍口能量超過2耳的長槍型氣槍氣槍手槍型氣槍;電擊械;槍手槍或其他投彈,可從其中發射或藉以發射容載氣體或化學品的投射彈者;發射有害液體氣體粉末的任何武;以及魚叉或魚槍。
  5. This paper establish the mathematics formula of radiometric calibration of infrared staring imaging systems by an advanced weighting function based on the linearity response of infrared focal plane arrays sensor of infrared camera, and establish the mathematics formula of non - linearity based on the fact that the response of the irfpa is non - linearity

    本文以紅外相機為例,在紅外平面探測輻射線性響應的基礎上,採用一種先進的加權函數方法,導出了紅外凝視成像系統輻射定標的數學表達式,同時在紅外平面陣列探測輻射響應非線性的實際情況,導了非線性的數學表達式。
  6. With the development of micro - electronics and information processing, microelectronic devices with high density, high velocity and superfrequency have been get rid of the stale and brought forth the fresh, which vastly prompt the development of the micro fabrication technologies to the field of the hyperfine, and put forward the higher requirement for the resolution of the conventional photo 1 i tho graphy

    隨著微電子和信息技術的飛速發展,高密度、高速度、超高頻微電子件不斷陳出新,促使微細加工技術不斷向著超精細領域發展,對傳統光學光刻技術的分辨本領提出更高的要求。傳統光學光刻中提高解析度往往是以犧牲系統深為代價的。
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