諧波晶體 的英文怎麼說

中文拼音 [xiéjīng]
諧波晶體 英文
overtone crystal
  • : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : 體構詞成分。
  • 晶體 : [晶體學] crystal; vitrella; crystal body; crystalloid; x-tal
  1. Attractor for weakly damped nonlinear wave in anharmonic crystal

    中弱阻尼非線性吸引子
  2. In the section 3, we calculated the threshold and efficiency of double resonance oscillator ( dro ) in plane wave of clbo ; we also got the efficiency curves of clbo in gaussian beam

    第三章分析和數值模擬計算了平面振情況下clbo的振蕩閾值和轉換效率曲線,同時給出了高斯光束的轉換效率曲線並與bbo進行了比較。
  3. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的相位、失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )電路的總設計和功能; ( 2 )硬設計,包括a d轉換、鎖相環、液顯示和按鍵輸入等原理和電路。 ( 3 )系統軟設計,包括a d轉換、 fft 、數字濾等程序的原理和演算法以及上位機監控界面的設計; ( 4 )系統測試。
  4. On the radiation range of l - 4gw / cm2, the effects of the modulation in intensity, beam aperture, pulse width and intensity of 3 w on tsrs in frequency convector crystals have been analyzed in detail. the interrelated thresholds have been gained by calculating and theoretical evidences have been offered to prevent tsrs from damaging frequency conversion crystals, which will be applied to the engineering design of the laser drivers on high - fluence

    光的強度調制、光束口徑、脈寬和強度等因素對轉換中tsrs的影響,並計算得出了一些相關闡值,得到了驅動器工作的臨界狀態,為防止出現tsrs的光損傷提供了理論依據,對高功率激光驅動器的工程設計具有實用價值。
  5. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了轉換的tsrs物理模型本文根據量子力學原理,在考慮如下物理過程和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;表面反射和端面反射;增益系數、光束口徑、脈寬和三倍頻光能量密度,推導出高通量激光在kdp和kd ~ * p轉換中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  6. A high efficiency dual - band rf power amplifier has an output and / or input of a high frequency transistor well terminated at the second harmonic frequency for dual - band operation

    本發明乃一種高效率雙頻射頻功率放大器,提供高頻電的輸出端與?或輸入端于雙頻操作中有良好的二階終止。
  7. Second harmonic is generated by 532nm fundamental wave on clbo, and the harmonic pulse is plotted along with the clbo crystal length

    長為532nm基為例,數值模擬了經過不同長度的clbo的脈沖形,及脈沖寬度隨長度的變化。
  8. Then the paper analyzes control system of hybrid active power filter, the way of harmonic detecting and the principle of control system, digital low pass filter and the generation of pwm, on the base of which the paper designs a new parallel hybrid active power filter which is controlled by tms320lf2407, and detailedly introduces drive circuit of pwm, sampling circuit of current, voltage adjustment and protection circuit, communication circuit, liquid crystal display circuit

    分析了混合型有源濾器的控制系統、檢測方法及控制原理、數字低通濾器和pwm信號的產生,在此基礎上設計了一種基於tms320lf2407為控制核心的並聯混合型有源電力濾器硬原理圖。並對pwm驅動電路、電流采樣電路、電壓調整、按鍵輸入和保護電路、通信模塊、液顯示模塊進行了較詳細的分析說明。
  9. By comparing to that of bbo, we can see that the threshold of clbo is lower than that of bbo. thus clbo provided another excellent crystal in dro if the pump power is low

    從結果可以看出,在平面振下, clbo的振蕩閾值低於同等條件下的bbo,從而為連續、長脈沖等能量較小的泵浦源提供了更加優良的可選
  10. Liquid crystal tunable filters as an important device of wavelength division multiplexing and dense wavelength division multiplexing systems is caused attention by research department, especially many foreign research institute are studying it. but in our country its study is lag. and normal incidence of the crystal is almost the case, because the liquid crystal box is very thin, the field angle may be large and the pose of liquid crystal box may have impact on the measuring result. so, study in such subject, especially the liquid crystal box ' s position angle, is academic and valuable

    各種改進液電光可調濾光片的措施的實現,使得液調濾光片成為一種很有應用前景的電光調濾光片,特別是用於光纖通信中的分復用系統和密集分復用系統,將使光纖的傳輸客量大大增加目前國外在這方面的研究進展很快,而國內在這方面的研究比較薄弱,而且通常採用光線正人射進行研究,由於液盒很薄,視場角可以很大,液盒的擺放對測量結果影響很大,因此對該器件進行深入的研究,討論液盒的方位角影響是很有必要的。
  11. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各次泵浦條件下的共線類和類相位匹配的調曲線,以及非共線類相位匹配調曲線;分析了走離角對非線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了線寬控制的各種方法;研究了利用非穩腔改善光束質量的方法;考慮了bbo的設計。
  12. Harmonic generation crystal

    振蕩
  13. The tunable performance is obtained by rotating the grating. the disadvantages of the mechanical tunable filter are high control voltage, slow response time and big volume. the electro - optic tunable filters are obtained by the alteration of the birefringence of the electro - optic material applied voltage

    電子光學濾光片則是通過施加電壓使各種電子光學材料的雙折射率發生變化來實現透射長的調,也可以利用電光在電場中的旋轉來實現長的調
  14. As we know, usually the wavelength tuning of the qpm - opo is achieved by changing the crystal temperature, but the response is not fast. in this paper we demonstrate the wavelength tuning of the qpm - opo by the electro - optic effect for the fast wavelength tuning

    我們知道,基於ppln的qpm - opo的長調制通常可以通過改變的工作溫度來獲得,但是這種靠溫度的調速度不快,本文給出了一種利用電光效應外加電壓快速調長的方法。
  15. The compensator compensates the change of polarized light, and also controls the polarized orientation. in result, we get a cavity, with the orientations of the linear polarized multi - longitudinal modes are agree. the noise of green output reducing, the cavity is steady with multi - longitudinal modes operating

    本文首次將nd : yvo _ 4應用於抑制激光噪聲的補償片法中,利用nd : yvo _ 4的線偏振特性,控制振腔內激光束的偏振方向,使多縱模均為線偏振,且偏振方向一致,從而減少了綠光輸出中的動現象。
  16. Based on the requirement and target of the projects, firstly, pcf bragg grating are investigated theoretically and experimentally. moreover, the effects of filling high refractive index material ( nematic liquid crystal, nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ), farther, several novel pcfs are proposed and designed. lastly, we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser, which integrate all performances of broad - band tunable wavelength, uniform output power spectrum, high repeat frequency and high average power to together

    本論文選題于國家973 、 863以及國家自然科學基金等項目,結合課題的要求和主要目標,在對光子光纖( pcfs )傳輸特性研究的基礎上,首先對光子光纖光柵進行了理論和實驗研究;然後,採用平面展開法和有限單元法分析了在光纖的空氣孔中填充高折射率液對光纖傳導機制和傳輸特性的影響,提出並設計了幾種新型光子光纖;最後,提出並研製成功連續可調、輸出功率譜均衡的全光纖化、高功率包層泵浦鉺鐿共摻光纖激光器實驗樣機。
  17. The company have an advanced product line domestic and abroad, manufacture management quartz crystal resonator chief, filter, oscillator ; ceramic resonator, filter and sound surface resonator, filter, etc

    公司現擁有數條國內外先進生產線,主要生產經營石英振器、濾器、振蕩器;陶瓷振器、濾器及聲表面振器、濾器等。
  18. And then, we analyze the nonlinear properties of limiting amplifier. due to the typical nonlinear properties of limiting amplifier, we studied the method of academic analysis for microwave nonlinear circuit and the nonlinear circuit model of transistor in detail

    由於微限幅放大器的工作是典型的非線性特性,我們研究了非線性電路的分析方法和微管的非線性模型,詳細得介紹了平衡法這種重要的非線性電路分析方法。
  19. The nonlinear properties of transistor in large signal condition are simulated by ads ( advanced design system ) using the nonlinear model of transistor and harmonic balance analysis technique

    採用agilent公司的ads模擬軟與微管的非線性模型應用平衡法模擬計算了微管在大信號條件下的非線性特性。
  20. The theory research on the location of a frequency doubling crystal in a double - pass intracavity frequency doubling laser

    雙程腔內倍頻激光器的諧波晶體腔內位置的理論研究
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