激光測速計 的英文怎麼說

中文拼音 [guāng]
激光測速計 英文
laser doppler velocimeter
  • : 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...
  • : 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) ...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 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; ...
  • 測速 : logging speed
  1. Study on laser measurement system of bullet muzzle velocity

    槍彈初試系統方案設
  2. The laser radar sub - system determines the heights of the tsp according to the slant height and the oblique angle measured by the laser range finder and the electronic theodolite simultaneously. by lucubrating the motion law of tsp, we decided to compute decent velocities with least - squares procedure & two ranks curve fitting

    地面雷達跟蹤量分系統根據量到的斜距離和俯仰角確定末敏彈傘彈系統的高度,在深入研究末敏彈穩態掃描過程的運動規律后,通過最小二乘法的二階分段曲線擬合,算出落
  3. Laser doppler anemometer, laser doppler velocimeter

    多普勒
  4. The laser unit, because of its monochromaticity and small divergency, is used as sensor ’ s light source. devices and chips provided with high - speed responsing and processing capabilities are employed. as a result, the achieved uncertainty of time measuring is 125 ps, demonstrating an accuracy improvement in magnitude of an order

    在設製作中採用了單色性和方向性好的作為源,選取了高響應和有高處理能力的一系列器件、晶元,因此時間量的精度達到了125ps ,比以往的試方法提高了1個數量級以上,量精度達到掃描度的0 . 1 % 。
  5. 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器的發展狀況、主要特性及其應用,從四能級率方程出發,推導了ld泵浦nd : yag器的閾值、輸出功率和斜效率的表達式,並簡述了器的工作原理、結構型式和倍頻方法;其次,以空間相關的率方程為基礎,提出了ld端面泵浦nd : yag器的設方法,給出了一定泵浦耦合方式下,振蕩模尺寸、最佳輸出耦合率、泵浦模尺寸、泵浦焦斑位置等參數的選取依據,以此為依據,設了自聚焦透鏡耦合小功率ld泵浦nd : yag器和透鏡組耦合高功率ld泵浦nd : yag器,對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腔內插入一隻空液晶盒,觀察到了器以單縱模運轉;最後,根據泵浦焦斑端面位置對輸出功率的影響規律,提出了ld端面泵浦nd : yag位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當晶體內泵浦平均斑半徑遠小於振西安理工大學碩士學位論文蕩束腰半徑時,輸出功率的自然指數與泵浦焦斑的縱向位置成高斯變化規律,量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,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,位移傳感器的量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  6. The results of the experiments indicate that the main performance of the ladar prototype matches the design requirement theoretically. the ladar prototype has many advantages, such as high imaging speed, high image resolution, high ranging precision and high quality intensity image, which can be obtained simultaneously

    實驗結果表明,所研製的成像雷達的主要性能指標與理論設基本一致,具有成像率高、圖像解析度高、距精度高以及可同時獲得高精度強度圖像等優點。
  7. A type of receiver circuit and timing circuit which can be applied in high - speed laser range - finder is discussed in this paper

    本論文詳細討論了一種可實現高距的接收電路和時電路。
  8. 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:設了硅微型慣性加的敏感頭並應用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,應用振儀檢了懸臂梁振動特性。
  9. 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

    了硅微型慣性加的敏感頭並應用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,應用振儀檢了懸臂梁振動特性。
  10. This paper analyses the problem of extinction method, which have been used in ranging capability of impulse laser rangefinders now. then according the extinction method, by computer or quasi - laser and delay simulating space distance technology, realise automatic, fast and non - dismatiement testing of ranging parameters

    分析了目前驗收脈沖距機程指標所採用的方法「消法」存在的不足,並在「消法」的基礎上,通過採用算機技術、準技術和延時模擬空間距離的方法,實現了程指標自動、快和不解體檢
  11. Abstract : this paper analyses the problem of extinction method, which have been used in ranging capability of impulse laser rangefinders now. then according the extinction method, by computer or quasi - laser and delay simulating space distance technology, realise automatic, fast and non - dismatiement testing of ranging parameters

    文摘:分析了目前驗收脈沖距機程指標所採用的方法「消法」存在的不足,並在「消法」的基礎上,通過採用算機技術、準技術和延時模擬空間距離的方法,實現了程指標自動、快和不解體檢
  12. Laser doppler velocimeters

    都卜勒
  13. 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

    用第三章設的線陣s - h傳感器對hf加熱路進行了量研究,在此基礎上,用高干涉儀對電熱絲加熱的空氣柱進行了模擬層析量研究。
  14. The measurement of acceleration is necessary in many fields. a laser accelerometer based on psd is described in this paper

    度的量在許多領域都是不可缺少的,本文研究了一種基於psd的
  15. In the hardware solution, a dual - port high speed communication card was designed to resolve the " data " losing " problem in the communication between the lrf and pc

    在數據輸入模塊中還介紹了作者為解決兩個距雷達和pc機之間的高數據通信問題所設的高數據通信卡。
  16. 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

    為了解決研究和稀薄等離子體相互作用所需的大量算,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試得到了較高的加比。
  17. The paper mainly researches the basic work of computer vision controlling the manipulators on the system of harvesting tomatoes that is how to recognize the tomatoes from the complex background and move the video lens towards to the centers of tomatoes, then measure the distance between the lens and tomatoes by laser, and finally control the manipulators to harvest the tomatoes

    本論文主要研究算機視覺控制的機械手系統在番茄收獲系統中的應用,即如何迅、準確地從復雜背景中識別出番茄,然後移動攝像機鏡頭對準番茄中心,用距的方法得攝像頭至番茄的距離,從而控制機械手收獲番茄。主要研究番茄和葉子的識別問題。
  18. Optical design and analysis of laser screen for projectile velocity measurement

    大面積學系統的設與分析
  19. This follows a daily mail investigation last month which revealed that thousands of motorists could already have been wrongly fined for speeding because of flaws in the hand - held laser guns which raise serious doubts about their accuracy - including one which recorded a wall traveling at 44mph

    以下根據每日新聞報上月作出的調查,顯示數以千的開車人被錯誤的開出超罰單,由此我們非常懷疑手持設備的精確性,其中包括記錄下一堵墻以40英里的度在行駛。
  20. 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

    公司配備了抄數機,學影像量數機,接觸式探抄數機,成型cnc加工中心等設備和最先進的算機輔助設系統。
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