縱振特性 的英文怎麼說

中文拼音 [zōngzhèntèxìng]
縱振特性 英文
longitudinal vibration characteristics
  • 縱 : Ⅰ動詞1 （釋放; 放走） release; set free; let go 2 （放任; 不約束） indulge; give oneself up to; l...
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. The stability output second harmonic generation ( shg ) experiment results of single - longitudinal mode and multi - longitudinal mode with long cavity were explained reasonably with these rate equations. the high polarization of fundamental wave in the isotropic laser media nd : yag with type - i critical phase - matching lbo was studied with the rate equations including polarization of fundamental light. using the polarization function of lbo, a quartz full - wave plate was introduced into the cavity, a kind of birefringent filter by considering the combination of the polarization function of the type - i critical phase - matching doubling frequency crystal lbo and the quartz whole - wave plate was constructed

    將腔內多縱模倍頻速率方程推廣應用到準三能級藍光激光器中，分析了一個縱模、兩個縱模、多個縱模時的噪聲情況，合理地解釋了實驗中激光器單縱模運轉以及長腔多縱模運轉時穩定輸出的實驗現象，同時利用該速率方程分析了以各向同性激光晶體nd : yag為工作物質，類臨界相位匹配lbo為倍頻晶體的藍光激光器中基頻光偏振特性，合理利用類臨界相位匹配lbo倍頻晶體的偏振特性與引入的石英晶體全波片構成雙折射濾光片，通過選單頻來抑制噪聲，獲得了藍光低噪聲的穩定輸出。
  2. 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 。
  3. The main original work is as the followings : 1. longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated

    主要工作如下： 1 、分別對均質土中完整端承樁和彈性支承樁在垂直諧和激振力作用下的縱向振動特性進行了研究。
  4. It utilizes two boltclamped langevin transducers with unanimous frequency characteristic which convert vertical vibration to flexural traveling wave. they are arranged on the place of a elastic pipe to generated traveling - wave. when the traveling - wave propagate, the particles on the elastic pipe traverse an elliptic trajectory, materiel is transported by friction or acoustic streaming

    利用兩套頻率特性一致並以縱向振動方式工作的夾心式換能器，通過合理的布局在導管中激勵出行波，使輸送管管壁質點產生橢圓運動，從而利用摩擦或在液體中產生聲流來實現固體及液體的傳送。
  5. By this means, the performance of the shock absorber is improved as well as the quality of suspension system. after tested on the testing equipment and on the road condition matched with the car, outer performance of the double - tube gas hydraulic shock absorber pr ove to be excellent and the indicator diagram are full and smooth. the operation and control of vehicle are also obviously improved. with the improvement of domestic components as well as gas charging equipment and gas charging workmanship, the double - tube hydraulic shock absorber meets domestic market requirements and will have a better prospect

    我們對研製的雙筒充氣液壓減振器進行了臺架試驗和裝車道路試驗，表明這種減振器具有優良的外特性，其示功圖豐滿、圓滑，車輛操縱性明顯改善。隨著我國零部件質量水平的提高，及充氣設備、充氣工藝的改進，雙筒充氣液壓減振器將有更廣闊的發展空間，適合我國的國情。
  6. A study on longitudinal vibration behavior of inhomogeneous pile embedded in layered unsaturated soils

    考慮樁土耦合作用時彈性支承樁縱向振動特性分析及應用
  7. Matlab procedure is coded to compute the far - field sound pressure levels of the shell excited by radial point force. the influences of modal truncation, stringers, bulkheads and damping on the shell ' s far - field sound pressure are analyzed, laying down the basis for accurate analysis of the sound radiation from fluid - loaded reinforced double cylindrical shells

    本文用matlab編製程序求解了單層殼在徑向激勵力作用下的遠場聲壓級，分析了模態截斷數、縱骨、艙壁板、結構阻尼等因素對殼體遠場輻射聲壓的影響，為準確計算加筋雙層殼在水下振動和聲輻射特性奠定了基礎。
  8. Shock absorber is an important part of the vehicle suspension system. as an essential damping part of chassis components, shock absorber is closely connected with the operation, security and comfortabieness of the vehicle. the outer performance of shock absorber shall be indicated by the indicator diagram and the speed characteristic. the double - tube hydraulic shock absorber critical velocity is very low and easy to make outer performance degradation

    減振器在車輛懸架系統中發揮著重要的作用，作為汽車底盤的主要阻尼元件，它不僅影響到車輛的舒適性，還關繫到車輛的操縱性及安全性，其外特性由示功圖和速度特性表示；普通雙筒液壓減振器臨界速度較低，易發生外特性畸變，且低溫條件下更易發生畸變。
  9. 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晶體應用於抑制激光噪聲的補償片法中，利用nd ： yvo _ 4晶體的線偏振特性，控制諧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波動現象。
  10. Based on the solutions proposed herein, the longitudinal vibration properties of an integral pile in a uniform soil or layered soil, a pile with variable sections or variable modulus in a uniform soil are discussed respectively. the influence on the curves of complex stiffness, mobility and reflection wave of pile caused by soil modulus, the degree of pile defects, and the length and location of pile defects are emphatically discussed. 3

    利用所得解分別對均質土中完整樁、成層土中完整樁、均質土中變截面樁和均質土中變模量樁的縱向振動特性進行了分析，重點討論了土層模量變化、樁身缺陷程度、缺陷段位置、缺陷段長度等因素對樁頂復剛度、速度導納和反射波曲線的影響。
  11. Since 1960s, the mechanical strength reliability and structural system reliability, whose main failure modes are fatigue and service life, has achieved a great deal of development and been applied to engineering machine, aeronautical and astronautical engineering, electric apparatus, bridges, ship, civil engineering etc. with the developing of space technology and tendency of machine towards high speed, precision, automation, one realizes the importance of mechanism reliability based on the accuracy of motion, for the errors of mechanism occurred more often than that of structure, especially in the field of aeronautical and astronautical engineering and operate system of weapon

    上個世紀60年代以來，以疲勞、壽命為主要失效模式的機械強度可靠性、結構體系可靠性研究得到了很大發展，並迅速應用於工程機械、航空航天、電器設備、橋梁、船舶、土木工程等。隨著空間技術的發展以及機械的高速精密化、自動化發展，人們逐漸認識到以機構動作參數的準確可靠為主要指標的可靠性問題日益突出，因為在很多機械上機構的故障多於結構的故障，尤其是在航空航天及武器操縱系統方面。由於這些機構的運轉特性，振動可靠性的研究亦佔有突出的位置。
  12. Analytical solution of horizontal vibration for single pile in double - layer soils considering shear deformation

    成層非飽和土中樁的縱向振動特性分析
  13. In the third chapter, the method and choosing principle of the test system component at first were brought out. the component of test device was introduced. and then, the characteristics, such as strouhal number, vortex street strength, vortex street stability and pressure drop coeffi

    縱觀全文，本文成功地將cfd技術和實驗流體力學方法應用於新型雙鈍體渦街流量計的研究，並對旋進旋渦流量計的流體振動特性和抗干擾方法進行系統研究，提出了旋進旋渦流量計抗干擾設計的新方法。
  14. Secondly, on the basis of the theory of rayleigh - love bar, the longitudinal vibration of a large diameter end - bearing pile in saturated soil is investigated considering transverse inertial effect. the vibration of pile considering transverse inertial effect is different from the one not considering this effect significantly at a smaller slenderness

    2 、根據rayleigh - love桿理論，計及樁身的徑向變形，研究了飽和土中考慮橫向慣性效應的大直徑嵌巖樁縱向耦合振動理論，分別在考慮與不考慮橫向慣性效應下，比較了大直徑樁縱向振動的特性。
  15. Since the concept of superlattice was proposed, vertical transport in superlattice has been investigated widely. the electric field domains and current self - oscillations which result from sequential resonant tunneling between different subbands of the superlattice are very significant phenomena. such kind of oscillation can be uesd to make tunable microwave oscillaors. in this thesis, low temperature transport problem, especially the formation of field domain and the condition of current self - oscillations in doped gaas / alas superlattice with weak coupling are investigated thoroughly and also by combining the macroscopic model with the microscopic one., the voltage - current characteristic and the current oscillation are simulated. the calculated result is nearly consistent with the experimental data

    由超晶格中子能級之間的順序多阱共振隧穿引起的電場疇及電流自維持振蕩現象是其中的一個非常有意義的分支，該現象可用來製作電壓調諧微波振蕩器。本論文對弱耦合摻雜gaaa alas超晶格中的縱向輸運特別是針對低溫下的場疇的形成和固定偏壓下電流自維持振蕩產生的條件進行了深入的探討，並結合宏觀模型和微觀模型對超晶格在時變電壓作用下的電壓-電流特性以及固定偏壓作用下的電流特性進行了模擬計算。
  16. Since rail is not longitudinal horizontal smooth, there exists various roughness factor, besides, the wheel has eccentric active force, so the vibration caused by subway train has random property. that means it can not be described with a simple defined function

    由於鋼軌本身縱向並不是完全水平的，而是存在著各種不平順，加之車輪存在著偏心作用力，使得地鐵列車運行過程中所產生的振動具有隨機特性，不能用簡單的確定性的函數關系來描述振動的特性。
  17. In this dissertation, on the basis of the existing work, the longitudinal vibration theory and the relevant properties of pile with defects and variation modulus in layered soils is studied, in which viscosity of pile material is considered and surrounding soils are simulated respectively with normal voigt model, normal maxwell model, general voigt model and general maxwell model

    在總結前人研究成果的基礎上，本文將樁側土分別簡化為標準voigt模型、標準maxwell模型、廣義voigt模型、廣義maxwell模型，並考慮樁自身材料阻尼，對成層土中變阻抗樁的縱向振動理論及其特性進行了研究。
  18. Pile - soil interaction in the pile longitudinal vibration considering radial displacement of soil with applications

    考慮土體徑向位移時樁土耦合縱向振動特性及其應用
  19. The shock absorber is the chief component part, which affects the quality of the vehicle suspension system, and it plays an important part in the compromise riding comfort and maneuvering stability

    減振器是影響汽車懸架系統特性的重要構成元件，它對協調汽車的乘坐舒適性和操縱穩定性起著至關重要的作用。
  20. Modeling soil as a three - dimensional axisymmetric continuum and taking its 3d wave effect into account, longitudinal vibration of pile and its application is systematically investigated

    本文從三維軸對稱土體模型出發，在考慮樁周土體三維波動效應情況下，較系統地對樁的縱向振動特性進行了研究。
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