激光加速計 的英文怎麼說

中文拼音 [jīguāngjiāsùjì]
激光加速計 英文
laser accelerometer
  • 激 : Ⅰ動詞1 （水因受到阻礙或震蕩而向上涌） swash; surge; dash 2 （冷水突然刺激身體使得病） fall ill fr...
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
  1. The innovat ions of this thesis are as follow : by using dots marking method we achieve high on - line marking, and we design the accurate orientation project, the high scan project, and the step scan project, each of them can be applied for different marking requirement the main contents of thesis are as follows : 1 the development of laser industry, the prospect and technically advantage of laser marking is reviewed

    本文的創新之處為，採用點陣式標記方法實現了高速在線打標功能，並分別設計了精確定位方案、快速掃描方案和分步掃描方案三種不同的打標方案，可適用於不同的在線打標要求。主要內容如下： 1 、分析了國內外激光加工業特別是激光打標機及其市場現狀、發展趨勢和市場前景等。
  2. Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -

    快速成型技術改變了傳統的產品開發模式，可以為設計者提供產品樣件，縮短設計周期，加快新產品的開發進度，為決策者提供直觀性；快速成型技術迅速提供砂型鑄造、熔模鑄造、實型鑄造用的各種模樣，包括樹脂模、層壓模、熔模和消失模等，還可採用直接制殼鑄造法直接製造熔模鑄造用的壓型、金屬型、壓鑄型、注塑模，甚至直接製造小批量鑄件，介紹了熔積成型技術在石膏型精密鑄造上的應用和基於選擇性激光燒結技術的快速鑄造技術，快速成型技術與鑄造工藝的有機結合，開創了快速製造金屬零件的新階段，對用高新技術改造傳統的鑄造工業，使其面貌煥然一新，增強鑄造行業的競爭能力；快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑，討論了利用快速成型技術製造模具的一般工藝方法，探討了將快速成型技術與金屬電弧噴鍍技術結合起來快速製造金屬模具問題，以及快速成型技術與精密鑄造技術相結合的模具製造工藝，基於快速成型製造的快速模具技術，集成了快速成型製造高新技術和傳統技術，發揮各自優勢，已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。
  3. 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 。
  4. Abstract : in this paper, the design of the sense organ of the silicon miniature inertial meter is presented. the approving structure of the sense organ is fulfilled by the fabrication techniques of laser processing and chemical etching, laser fibre optic vibration is used to test the vibration characteristic of the suspensi on beams

    文摘:設計了硅微型慣性加速度計的敏感頭並應用激光加工和化學蝕刻相結合的工藝方法製造得到了滿意的結構，應用激光光纖測振儀檢測了懸臂梁振動特性。
  5. In this paper, the design of the sense organ of the silicon miniature inertial meter is presented. the approving structure of the sense organ is fulfilled by the fabrication techniques of laser processing and chemical etching, laser fibre optic vibration is used to test the vibration characteristic of the suspensi on beams

    設計了硅微型慣性加速度計的敏感頭並應用激光加工和化學蝕刻相結合的工藝方法製造得到了滿意的結構，應用激光光纖測振儀檢測了懸臂梁振動特性。
  6. Decign for 2d acceleration laser sensor

    二維加速度激光傳感器的設計
  7. Along with the improvement of rlg and accelerometer and the coming forth of high speed digital processor, the key technique of sins is carried out

    隨著激光陀螺和加速度計性能的不斷提高，以及高速數字處理器的不斷涌現，捷聯慣導系統實現的技術關鍵已經實現。
  8. By the line s - h sensor mentioned in chapter 3, measurements have been made to a beam path heated by hf laser. by a high speed interferometer, tomographic measurement was made on a air column heated by electric powered wire

    用第三章設計的線陣s - h傳感器對hf激光加熱光路進行了測量研究，在此基礎上，用高速干涉儀對電熱絲加熱的空氣柱進行了模擬層析測量研究。
  9. The measurement of acceleration is necessary in many fields. a laser accelerometer based on psd is described in this paper

    加速度的測量在許多領域都是不可缺少的，本文研究了一種基於psd的激光加速度計。
  10. Firstly, the structure of the laser accelerometer based on psd are designed in this dissertation. the relation between the output pulse difference and the input acceleration is derived

    本論文主要研究內容:首先，設計了基於psd的激光加速度計系統的結構，針對此結構推導了該數字式力平衡加速度計輸出脈沖差與輸入加速度之間的關系。
  11. We focused our discussions on the mechanism of saturation of the wakefield and the electron parametric instabilities which affect the process of the wakefield generation and electrons acceleration. we developed a 2 - dimension distributed parallel pic code under mpi parallel environment and got a good speedup ratio tested on yh - iv and pc computer groups

    為了解決研究激光和稀薄等離子體相互作用所需的大量計算，我們研製了21 2d分散式粒子模擬并行程序，在微機群和巨型機yh ? iv對程序并行性能進行了測試得到了較高的加速比。
  12. Based on the theory of laminated object manufacturing, the technology can directly produce three - dimension miniature structure by melting nano - phased powder with fine focus. in the process of micromachines, an important technological quota is the distinguishability. in the microscopic process of rapid fabrication, the distinguishability including the scanning distinguishability and the fabrication distinguishability

    該技術將選區激光燒結快速成型技術與納米科學技術、激光技術、計算機控制技術結合起來，應用分層製造思想，以更精細聚焦的激光熔燒微、納米粉粉末直接成形三維微結構。在微機械加工中，一個重要技術指標是解析度，在快速成型微細加工中，把解析度區分為掃描解析度以及成型解析度。
  13. The content of this dissertation is about the modification of coatings by laser cladding nano - material on plasma - spraying coatings. introducing rapid prototyping into nano material processing, experimental researches on the selective sintering of nano material are carried out systematically, the main work accomplished and conclusions gotten in this dissertation are presented as follows : 1 under the aiding of plasma spraying, reasonable coating material systems are designed to fabricate alumina, nicral / a12o3, nicral / a12o3 + 13 % wt. tio2, nicral / wc - co coating

    本文主要是在等離子噴塗的基礎上，利用激光熔覆納米陶瓷材料對等離子塗層進行改性處理，從而制備納米復合塗層；同時將激光快速成型應用於納米材料加工中，主要完成如下內容： （ 1 ）設計合理的等離子塗層結構，制備了al _ 2o _ 3 ， nicral al _ 2o _ 3 ， nicral al _ 2o _ 3 13 wttio _ 2 ， nicral wc - co四種塗層。
  14. The company has equipped with advanced equipment including laser printer, optical image measurement machine, contact - type detecting scanning machine, and laser molding cnc machining center, etc

    公司配備了激光抄數機，光學影像量測數機，接觸式探測抄數機，激光快速成型cnc加工中心等設備和最先進的計算機輔助設計系統。
  15. Then the explicit finite - volume method for the two - dimensional steady navier - stocks equations is studied. in order to prevent odd - even decoupling of the solution and oscillations near the shock waves, artificial dissipation is added. local time step, residue averaging, enthalpy damping and multi - grid method are used to accelerate the convergence during the five - step runge - kutta explicit time marching

    在計算中，採用五步runge - kutta顯式時間推進，引進人工耗散項以克服中心差分固有的奇偶不關聯性和抑制激波附近解的振蕩，應用了當地時間步長、殘值光順、焓阻尼、多重網格法等措施加速計算收斂。
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