激發脈沖 的英文怎麼說

中文拼音 [jīfāmàichōng]
激發脈沖 英文
excitation pulse
  • 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...
  • 發 : 名詞（頭發） hair
  • 脈 : 脈名詞1. （動脈和靜脈的統稱） arteries and veins2. （脈搏的簡稱） pulse 3. （像血管的組織; 連貫成系統的東西） vein
  • 激發 : 1 （使奮發） arouse; stimulate; set off; stir up 2 [物理學] excitation; exciting; incitement; inc...
  1. The experimental telephone's ring is activated by pulses sent through a glass fiber.

    這種實驗性電話鈴是依靠玻璃纖維所傳送的脈沖激發而工作的。
  2. Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth

    研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理；首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系，計算單個激光脈沖角膜切削量；發現了角膜曲率對切削效果的影響，首次提出了角膜曲率半徑、切削位置與切削深度的關系；首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響，為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。
  3. There has been a revolutionary advance in ultrashort pulse technology since the discovery of self - mode locking of ti : sapphire lasers. few - femtosecond pulses have already been generated from ti : sapphire lasers, by means of combining self - phase modulation with negative group velocity dispersion, which is similar to the way of soliton generation

    鈦寶石激光自鎖模的發現使得超短脈沖技術發生了革命性的變化，利用自相位調制和負群速度色散結合的類孤子產生方式，人們已經在鈦寶石鎖模激光器上得到了脈寬只有幾個飛秒的光脈沖。
  4. Using this system will increase the efficiency when excimer laser amplifies ultra - short laser pulse without using any complex multiangular optics system. it is possibly to be a new way to gain high energy, high power, high quality, high efficiency ultra - short uv laser

    如果成功，將能充分發揮準分子激光的優點，為產生高功率，高束質的短脈沖激光提供一條簡單、高效率的技術路線和途徑。
  5. Feedback to subordinates is seldom smooth and continuous; it tends to come in pulses at the spur of adverse events.

    向下屬反饋很少是平心靜氣，細水長流的；它往往是在不希望有的事件的刺激下，脈沖式地發生。
  6. The fast - ignition technique is more like a petrol engine : first the fuel is compressed and only then is it ignited by a second laser pulse ? acting as a spark plug ? that is fired through a hole in the pellet

    快速點燃法更象汽油發動機：首先壓縮燃料，此後才通過燃料球上的一個小孔，用第二的激光脈沖發射器發射激光? ?起點火器的作用? ?將其點燃。
  7. The saturation time in our simulation is consistent with the prediction of the theory. furthermore, we also studied the propagation of two pulses with inverse phase. in this case, the wakefield excited by the first pulse will be absorbed by the second pulse which shifts to higher frequency

    此外，我們還研究「位相相反」的兩個脈沖在稀薄等離子體中的傳播，第二個激光脈沖由於吸收了前一脈沖激發的靜電場，頻率向高頻方向漂移，得到頻移的大小與符合理論推測。
  8. Finally, we study the effect of longitudinal wakefield in the propagation of intense laser in plasma and find that this effect leads to asymmetric self - phase modulation of the pulse

    最後研究了尾波場效應對激光傳輸的影響，發現縱向尾波場效應將導致激光脈沖不對稱自相位調制。
  9. In the chapter 1, we have introduced the development of ultrashort pulse laser and summarized the background and resent research advance of clbo

    第一章介紹了超短激光脈沖的產生及發展狀況，綜述了clbo晶體的研製背景及光學性質的研究進展情況。
  10. The rapid advances of laser technology in the past few decades have made the production of extremely short laser pulses, containing only a few, even only one or nearly one, cycles of optical oscillations, which led to many new questions

    隨著激光技術的快速發展，實驗中已經可以得到接近光學振蕩周期的超短激光脈沖。此類脈沖的時間和空間部分在傳輸過程中會相互耦合、相互影響，從而帶來一系列的新的傳輸效應，成為當今激光領域的一個研究熱點。
  11. In chapter 4, we design a new conductivity detector for ion chromatography. the square wave is used as stimulating signal and the sampling is triggered by synchronization pulse at suitable time. by using these measures, the effects of doublelayer capacitance and polarization on the measurement are eliminated and the accuracy is improved

    摘要第四章介紹了一種新型的以方波激勵脈沖采樣為原理的二電極電導檢測器，這種電導檢測器採用了方波為激勵信號，在適當時刻用同步脈沖觸發采樣，從而在較大程度上克服雙層電容和極化的影響，且在結構設計上比目前國內常用的五電極電導池簡單。
  12. With time - evolution - operator, it is proved that the population of upper level is in circumstance of cyclic oscillation by laser pulses pair of gaussian line - shape in a homogeneous broadening two - level system. the oscillatory time oxide is the delay time between the laser pulse pairs and the oscillatory frequency equals the one of transition between the lower and upper level

    引入時間演化算符，證明均勻增寬二能級體系在飛秒激光脈沖對作用下上能級激發態布居是周期性變化的，它以飛秒脈沖對之間的延時為時間軸，以該原子能級之間的躍遷頻率為振蕩頻率
  13. With the development of mode - locked laser, the pulse ’ s width becomes narrower and narrower, and exhibits more and more applications in many fields. obviously, these developments and applications demand improvements of measurement of pulse

    隨著激光鎖模技術的不斷發展，激光脈沖的寬度越來越窄，從而得到了越來越廣泛的應用，這就要求脈沖測量手段不斷提高。
  14. As an innovation, the precise control of exeimer laser external trigging was achieved, including external trigging pulse and frequency, which makes possible the linked motion of xyz worktable, laser external trigging, and rotatable table

    在硬體設計上的創新點是我們實現了對準分子激光外觸發的精確控制，包括激光脈沖個數和脈沖頻率。從而實現了工作臺位移運動與激光外觸發、轉臺轉動的聯動。
  15. 4. the lpfgs are used in single wavelength er - doped fiber amplifiers ( edfas ) as a spontaneous emission noise ( ase ) filter, and the gain of the edfa is increased by 7db and the noise figure ( nf ) is decreased by 0. 5db, for the first time

    4 、成功研製了摻鉺光纖放大器，首次將高頻co2激光脈沖寫入的長周期光纖光柵應用到摻鉺光纖放大器中作為自發輻射噪聲濾波器，使edfa的增益提高了7db 、噪聲系數降低了0 . 5db 。
  16. When passed through the beam - splitter, a pulsed laser beam was split into 3 beams with an interpulse delay of 13 ns. these 3 separated laser pulses reach the m - z interferometer at different time and each laser pulse gave a snapshot of the implosion state. thus three different - time interferograms can be obtained in one shot of z - pinch

    激光器發出的光束經過分光系統被分成時間間隔13ns的三束光，它們于不同的時刻先後到達m - z干涉儀，每一束激光脈沖可以記錄下等離子的一個狀態，從而可以得到三幅不同時刻的干涉圖。
  17. What they ' ve developed could boost a laser pulse by a factor of 10, 000

    他們所發明的這個可以得到增強一萬倍的激光脈沖
  18. Summarizing the development statement of monitoring technology for bridge, based on principle of pulse laser ranger detection and fiber - optic strain measurement, in view of the problem affected by single - chip inherent feature, integrating the goodness of cpld device and single - chip, using a / d converter to measure the count quantization error, a strain measurement system is worked out. the above system chiefly consists of light source, optic fiber sensor, photo detector and signal processing circuit

    本文綜述了國內外橋梁監測技術的發展概況，在深入研究脈沖激光測距和光纖應變測試原理的基礎上，針對單片機固有計數頻率低、計數量化誤差大和延時不固定等不足，結合cpld計數頻率高、延時小而固定和單片機控制功能強的優勢，並採用模數轉換技術設計計數量化誤差測量電路，提出了基於激光脈沖時間測量法的光纖應變測量的方案。
  19. The influences of the characteristics of pulsed laser source and cfpi on the accuracy of detedtions are analysed in detail

    通過對超聲振動位移與激光脈沖的光功率密度的關系進行分析，發現二者之間存在正比關系。
  20. In this thesis, we used the q - switched nd : yag laser pulse focused by lens to pump the cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, with the pump laser pulse duration and energy of 30ns and 50 mj separately, and got the laser pulse with center wavelength, pulse duration and energy of 1. 22 m, 8. 2 ns and 10 mj on the best work condition. on the base of zhangguowei s approximation about gain - switching and the parameter of cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, we calculated the time characteristics of cr ~ ( 4 + ) : mg _ 2sio _ 4 laser pulse with rate equation by numerical method, obtained the conclusion that the laser pulse duration is only related to the pump energy and cavity length : the larger the pump energy is, the narrower the pulse duration is ; the longer the cavity is, the wider the

    本論文採用調qnd : yag脈沖激光通過透鏡聚焦后縱向抽運cr ~ （ 4 + ） : mg _ 2sio _ 4晶體，抽運光脈沖寬度為30ns 、能量為50mj ，在較佳工作條件下得到了中心波長為1 . 22 m 、脈寬為8 . 2ns 、能量為10mj的激光脈沖;並在張國威分析增益開關時間特性的近似法基礎上，結合實際的cr ~ （ 4 + ） : mg _ 2sio _ 4激光器的相關參數，從速率方程出發，用數值計算的方法更為精確的模擬了cr ~ （ 4 + ） : mg _ 2sio _ 4激光器輸出激光脈沖的時間特性，得出了激光脈寬只與抽運能量、腔長有關的結論，即抽運能量愈大，脈寬越窄;腔長越長，脈寬則愈寬。
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