特高頻振蕩器 的英文怎麼說
中文拼音 [tègāobīnzhèndàngqì]
特高頻振蕩器
英文
ultra-high-frequency oscillator- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 蕩 : Ⅰ動詞1 (搖動; 擺動) swing; sway; wave 2 (無事走來走去; 閑逛) loaf; wander; roam; loiter; go a...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 高頻 : high frequency
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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 。Ultra - high - frequency oscillator
特高頻振蕩器The concept of " timing " in the article is not the clock in our ordinary living, but syntheses which is made up of some frequency source in the signal generator ( such as cs atom frequency standard, rb clock & high accuracy quartz crystal oscillator ) which produces the primary frequency, the matching input interface and the matching output interface and controlling circuit etc. for example, bits is a kind of timing equipment, which is used to control the timing of some functions
本文論及的「時鐘」概念不是指日常生活中使用的鐘表,而是由產生基準頻率的信號發生器(如銫原子頻率標準、銣鐘及高精度石英晶體振蕩器等)中的某種頻率源以及相配套的輸入、輸出介面和控制電路等組成的一整套具有特定同步定時功能的綜合體。如bits就是一種時鐘設備,它提供用在通信系統中控制某些功能的定時的時間基準設備,時鐘提供的信號稱為基準信號、定時信號或同步信號。Experimental results validated that this high performance arc igniting device developed provides with fast response and stable high frequency output voltage
試驗表明該開關式高頻振蕩引弧器控制系統具有頻響快、輸出高頻高壓穩定的特點,是一種性能較好的開關式高頻振蕩引弧器。The cbb90 capacitors are used for hight - frequency electricity circuit, having charcteristic of samll dimension, low disipation factor under hight - frequency condition, fine self - healing character, withstanding hight - voltage and powerful electricity. the case is used in flame retardant hith - quality engineering plastic, filled with epoxy resin
Cbb90型電容器主要用於電磁爐振蕩電路,適用於高頻電路中,具有耐高壓及耐大流的優良特性同時具有體積小、優良的自愈性能、安全性能高、高頻下低損耗等特點,外殼採用優質的工程塑料,用環氧樹脂灌封。In this paper, a novel folded groove waveguide slow - wave structure is proposed with the foundation of folded waveguide and grooved guide. high frequency characteristics of such sws are also analyzed in this paper. the main works are listed as follows : 1
本論文以曲折波導慢波系統和槽波導傳輸線為基礎,綜合二者的優點和目前曲折波導在thz輻射振蕩器中遇到的問題,提出一種新型的曲折槽波導慢波系統的概念,並對這種新型慢波結構的高頻特性進行了詳細的研究。Based on this arithmetic, the high frequency characteristics of five - cavity with open boundary is calculated by the code written in fortran language. then the transit effect of five modes of five - cavity with open boundary is also calculated using code mathcad and matlab. the results show that the working mode of five - cavity transit tube oscillator is 3 / 6 mode, and the analysis of the theory are in good agreement with the simulation results
根據從基於四腔渡越時間效應的自調制出發,經過一段飄移,然後再採用雙間隙提取腔邊耦合輸出高功率微波的思路,採用粒子模擬方法優化設計出一種峰值功率為1 . 5gw ,頻率為9 . 3ghz的六腔渡越輻射振蕩器,並研究了它的一系列工作特性。With the quick development of electronic technology, high - stability crystal oscillator is being used more and more widely. especially, temperature - compensated crystal oscillator ( tcxo ) is commonly used in electronic equipments such as communication, navigation, radar, measure instruments etc.
隨著電子技術的飛速發展,頻率高度穩定的晶體振蕩器得到了廣泛的應用,特別是溫度補償晶體振蕩器( tcxo )更是廣泛應用於通信、導航、雷達、測量儀表等電子設備中。There are many optical depletion mechanisms, such as diffraction depletion, the transimission of a reflector, scattering of the medium in the cavity, non - life absorption and so on, so the quality factor ( q factor ) is low. in
利用這種微諧振腔製作的激光器,其自發輻射頻率落在光子晶體的禁帶范圍內,有效降低了激光振蕩的閾值,從而使激光器具有低閾值高效的特點。By improving the process technologies, si - based active devices, for example, mosfet ' s and bjt ' s et al, demonstrate an extremely high f, f and fmax, which is sufficient for radio frequency ( rf ) / microwave applications
對硅基有源器件,如mosfet 』 s和bjt 』 s等,通過改進工藝技術,可以得到很高的特徵頻率f _ t和振蕩頻率f _ ( max )性能,能夠滿足射頻微波應用的要求。分享友人