透鏡組 的英文怎麼說
中文拼音 [tòujìngzǔ]
透鏡組
英文
battery of lens-
This setup, known as a conoscope, is shown in figure 14. 2 and consists of two stress - free plano - convex lenses a and b
此裝置稱為錐光鏡,如圖14 2所示,它由a和b兩個無應力平凸透鏡組成。This setup, known as a conoscope, is shown in figure 14. 2 and consists of two stress - free plane - convex lenses a and b and a diaphragm c having a small aperture
此裝置稱為錐光鏡,如圖14 2所示,它由a和b兩個無應力平凸透鏡和一個帶小孔的光闌c組成。Using numerical - approaching method to study the potential of assembled electron lens
用數值逼近方法研究組合電子透鏡的電勢I copied a reproduction of the silverpoint using a homemade epidiascope based on a small circular concave mirror and direct solar illumination, and when i deliberately “ bumped ” my own epidiascope, i found such a mismatch to be very conspicuous
我用小型的圓凹透鏡與陽光組成的自製幻燈機,從銀尖筆畫復制了一張畫,而當我蓄意碰撞自己的設備后,我發現位移結果是非常醒目的。In the ostra field, venezuela, oil is produced from lenticular sandstone beds of the oligocene oficina formation.
委內瑞拉奧斯特拉油田的產油層,為漸新世奧菲西那組透鏡狀砂巖層。This setup, known as a conoscope, is shown in figure 14. 2 and consists of two stress-free plano-convex lenses a and b.
此裝置稱為錐光鏡,如圖142所示,它由A和B兩個無應力平凸透鏡組成。The temperature gauge consists of high performance single chip microcomputer, excellent optical lens.
該測溫儀由高性能的單片機優異的光學透鏡以及高質量的電子元器件組成。Lode country assume silllike - similar silllike, and the next big anastigmatic, ground and west branch river set strench are consistent. it suffer the gravel silica rock, arena silica control. a handful of lode country or main lode country byway little orebody assume vein, or have the characteristic of balk reappear, compound of branch. these manifest the obvious characteristic of ore construct control
礦體以層?似層狀產出為主,其次為大的透鏡狀,地表延伸與西岔河組地層一致。受礫屑硅質巖、含礫砂屑硅質巖控制。少數礦體或主礦體旁側小礦體呈脈狀、或具尖滅再現、分支復合特徵。This setup, known as a conoscope, is shown in figure 14. 2 and consists of two stress-free plane-convex lenses a and b and a diaphragm c having a small aperture.
此裝置稱為錐光鏡,如圖142所示,它由A和B兩個無應力平凸透鏡和一個帶小孔的光闌C組成。Meanwhile, in north america, the earthscope project is establishing a continent - wide network of gps locators, seismographs, and other instruments to study what ' s happening below the crust
與此同時,在北美開展的「地球透鏡」計劃正在建立一個包括全球定位系統定位儀、地震儀和其他儀器所組成的洲際范圍的網路,以研究地殼下面的活動情況。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激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、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激光器的設計方法,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激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器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,觀察到了激光器以單縱模運轉;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焦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,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。A method of solving the initial structure of a three - thin - lens null corrector
無光焦度3貼合薄透鏡組初始結構參數求解方法探討Optics and optical instruments - test lenses for calibration of focimeters - test lenses for focimeters used for measuring contact lenses
光學和光學儀器.焦距計校正用檢驗鏡頭.測量接觸透鏡組用焦距計用檢驗鏡頭Optics and optical instruments - test lenses for calibration of focimeters - test lenses for focimeters used for measuring spectacle lenses
光學和光學儀器.焦距計校正用檢驗鏡頭.測量柔性焦距透鏡組用焦距計用檢驗鏡頭Objectives which consist only of one lens can be used for visual and photographic observations.
由單透鏡組成的物鏡可作目視和照相觀測用。3. because traditional coupling system composed with cylinder lens and focus lens has the disadvantages of difficult to encapsulation and modulate, a new practical method brings forward : the output light from laser diode is collimated using a section of optical fiber with the diameter of 600 m instead of cylinder lens, and a sphere ? end lens
3 .針對由柱透鏡和聚焦透鏡組成的組合透鏡耦合系統中存在的封裝和調試困難等問題,提出了:用一段直徑為600 m的裸石英光纖代替柱透鏡,對半導體激光器輸出光束進行準直整形;用球透鏡光纖對準直后的光束進行聚焦,直接實現和光纖耦合,來代替聚焦透鏡和光纖耦合的環節。In this thesis, the basic operation in the optical computation was studied by analyzing the course of laser beams transmitting through a vmm, which is composed of an array of vertical cavity surface - emitting lasers, spherical and cylindrical lens, an array of multiple quantum well spatial light modulators and an array of the detectors
本文研究的光學矢量-矩陣乘法器主要是由垂直腔面發射激光器( vcsel )陣列、球面透鏡和柱面透鏡組、多量子阱空間光調制器( mqwslm )及ccd陣列構成。作為小尺寸的集成光學器件,必須要考慮衍射的作用。A mirror, lens, or combination of lenses used to gather light and direct it upon an object or through a projection lens
聚光器用於聚光並將光引向某物體或通過一凸透鏡組的鏡子、透鏡或透鏡組The design of the laser and its bracket, neutral density filters, lens, and digital camera are complete in the hardware design ; the image collection and centroid calculation are complete in the software design ; and the experiment of straightness calibration is accomplished. the possible errors are analyzed about the whole system, and some methods to decrease the errors are put forward
硬體部分主要完成了激光器及其支架、衰減片組、透鏡組和數字相機的結構設計;軟體部分主要完成了圖像的採集和質心的求取;最後進行了直線性校準實驗,並對實驗過程進行了誤差分析,提出了減小誤差的方法。In film emulsion, an area exposed in some way other than directly through the lens, such as internal reflections between the various surfaces of the lens component
在膠片感光乳劑中,不是直接經過透鏡的某種方法曝光的區域,例如透鏡組成部分各表面間的內部反射。分享友人