相參振蕩器 的英文怎麼說

中文拼音 [xiāngshēnzhèndàngqì]
相參振蕩器 英文
coherent oscillator
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 參 : 參構詞成分。
  • 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
  1. The near - stoichiometri litao3 has excellent speciality, such as high efficient conversion, tune conveniency, biger size and high damnify value etc. in this dissertation, the theory of quasi - phase - matched ( qpm ) technology and optical parametric oscillation ( opo ) was expatiated and studied first

    近化學計量比litao3 （ slt ）晶體在做參量振蕩方面具有轉換效率高、調諧方便、尺寸大、損傷閾值高等非常好的特性。本文首先對準相位匹配技術和光學參量震蕩器的理論進行了闡述和分析。
  2. Surface transverse wave has the 1. 6 high frequency than rayleigh type surface acoustic wave ( using the same technology the frequency of devices of stw has about 1. 6 high frequency than rayleigh type surface acoustic wave ). the paper introduces the theory, design parament, technology and result expeiment of surface acoustic wave ( includes rayleigh surface acoustic wave and surface transverse wave, simple stw ) with low insertion loss, high q and researches the high frequency, low phase noise oscillator with 1ghz stw resonator as frequency element. and describes measurement method and finally experimantal result of the low phase noise surface acoustic wave oscillator

    本文研究了以低損耗、高q值聲表面波（其中包括聲表面瑞利波- - rayleighsurfaceacousticwave ，和聲表面橫波等）諧振器的工作原理、設計參數、製作工藝及其實驗結果，並且研究了以1ghzstw諧振器為頻控元件的高頻率、低相位噪聲聲表面波振蕩器，以及低相位噪聲聲表面波振蕩器的測試方法和最終的測試結果。
  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. Continuous - wave optical parametric oscillators ( cw opos ) are an attractive source of coherent radiation in applications for which laser sources are unavailable or for which wide tunablity is needed, cw opos have remarkable features of operating with narrow linewidth and broad tunablity

    連續波光學參量振蕩器（ cwopos ）可以用來拓寬激光的波長范圍，有較寬的調諧區域，是一種理想的產生相干輻射的裝置。由於它的窄線寬和寬調諧的輸出特性，也被用於光譜學、相干光通訊、量子光學等領域。
  5. The input electrical power at the given voltage is increased due to the larger emitting surface of the radial structure and the space - charge effects are also relatively small

    用一維模型對折疊式諧振腔徑向速調管振蕩器進行了理論研究，分析了結構器件參數對束波相互作用的影響。
  6. The equivalent cavity model is used to deduce the threshold condition of the ecld, and the expression of the threshold carrier density n ( v ) when ecld is tuned to oscillate at different frequencies has been obtained. using the expression of n ( v ) and the carrier dependent refractive index, the simple basic equation describing the bistable characteristics has been derived after choosing an appropriate reference frequency nf

    通過建立等效腔模型來推導外腔半導體激光器的閾值條件，得到ecld在不同頻率v振蕩所需的閾值載流子密度n （ v ）表達式，利用該表達式及相關的折射率表達式，在選擇合適的參考載流子密度n _ f后，導出了一個描述雙穩所需的基本方程。
  7. The thesis describes a prototype fractional frequency synthesizer which is supported by a project granted by the ministry of science and technology of pr china. firstly, based on the principle of pll, this paper briefly describes three basic pll components : phase detector ( pd ), low pass filter ( lpf ), voltage controlled oscillators ( vco ), analyzes the linearized pll and summaries the transfer functions of third - order pll with ideal intergrator filter respectively. based on a microwave vco, the single point frequency pll frequency ranging from 2. 2 to 2. 5ghz is developed

    首先，從鎖相環的基本理論、原理出發，分析了鎖相環中的三個基本部件：鑒相器、環路濾波器和壓控振蕩器，此後，針對線性化鎖相環進行了分析，研究了在使用比例積分濾波器時，三階鎖相環的環路參數計算；在電路實現時選用了lmx2353 ，在此基礎上，完成了2 . 2 ~ 2 . 5ghz范圍內的小數頻率合成器設計。
  8. According to leeson model, which had proposed the relationship of noise between output and input in the feed - back oscillator, an experimental crystal oscillator circuit with high stability and low phase noise is designed

    參照提出反饋振蕩器中輸出和輸入噪聲關系的李森模型，設計一高穩定低相位噪聲振蕩器的實驗電路，並在實驗中分析電路關鍵元件對電路整體性能的影響。
  9. This thesis is devoted to various studies involving quasi - phase matched optical parametric oscillator

    為此，在本文中，我們對準位相匹配的光學參量振蕩器進行了一系列的研究。
  10. So they can be used for spectroscopy, coherent communication and quantum optical studies. they also can produce various kinds of nonclassical states of light generation of squeezed vacuum below threshold, of strongly intensity - correlated twin beam above threshold and quadrature squeezing of the pump wave above threshold

    同時，連續光學參量振蕩器也是一種產生非經典光場的理想裝置：低於閾值運轉可以產生正交位相壓縮真空態，高於閾值運轉可以產生強度關聯的孿生光子對以及反射泵浦光的正交分量壓縮。
  11. For the same configuration resonance chamber, the intensity of the self - oscillation is changed by the waterpower parameters. when the pressure increases, self - oscillation intensity will increase. by applying the self - oscillation generated by the resonance chamber to the heat exchanger, and when the self - oscillation intensity achieves a certain degree, heat transfer will be enhanced

    對于同一結構的共振腔，水力參數不同，產生的自激振蕩強弱也不相同，隨著壓力的增加，自激振蕩的強度也增加；將共振腔產生的自激振蕩引入換熱器后，當自激振蕩達到一定程度的強度后，可以強化換熱。
  12. A novel strategy combined the fuzzy logic of linear multivariable feedback control to design a controller of statcom to meet the multi - objective demands of power systems is also proposed in this dissertation, and the controller is designed with this strategy, because of variational element, nonlinearity and multi - objective controlling demands of statcom, this paper designs the controller respectively aimed at continuous linear control for voltage maintaining, oscillation damping, improving the transient stability

    根據電力系統變參數、非線性以及對控制要求多目標的特點，本文針對維持系統節點電壓、阻尼系統振蕩、提高系統暫態穩定性能等不同控制目標分別設計了控制器，然後將模糊邏輯和多狀態線性反饋相結合，提出了一種能滿足電力系統多目標要求的控制方法，並用該控制方法為statcom設計了控制器。
  13. The theory and practice of full - integrated lc vco are studied in this thesis. with a view to domestic and overseas references that are related, a vco is designed under the conditions of low voltage - supply, low power consumption, low phase noise and large tuning range. major contents and results of study are abstracted as following

    本論文針對上述問題，系統分析了射頻全集成電感電容壓控振蕩器的原理和實現，參考國內外壓控振蕩器研究的現狀，設計了一種低壓、低功耗、低相位噪聲和較大調諧范圍的集成壓控振蕩器，主要有如下研究內容和結果。
  14. At the same time, the technology of frequency synthesis is developing rapidly and it requires much better performance on its reference source - crystal oscillator. so, it is significant for practical applications and development of theory to make researches on crystal oscillator ' s phase noise and phase jitter, and improve its performance fundamentally

    同時隨著頻率合成技術的迅猛發展，對晶體振蕩器參考源的要求也越來越高，研究頻率源信號的相位抖動和相位噪聲，從根本上改善頻率源的性能，對于這一學科的理論發展和實際應用都具有重要的意義。
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