振蕩軸 的英文怎麼說
中文拼音 [zhèndàngzhóu]
振蕩軸
英文
axis of oscillation-
If the numerical value line resonance frequency plus some shaft connatural frequency of generator is equal to operation frequency, it brings about coupling resonance between generator and system, which maybe results in shaft rupture of synchronous generators
當線路電氣諧振頻率與同步電機的軸系某一固有振蕩頻率近似互補于電網工頻時,將導致機電系統的耦合振蕩,嚴重的會造成同步發電機大軸的扭斷。In the non - coaxial bwo of l - band, the radius of the slow - wave structure is very large, and the volume and weight of the guiding - magnetic system are also very large. thus, the non - coaxial bwo of l - band is bulky and lumbersome and is inconvenient for real application
若採用非同軸相對論返波振蕩器實現l波段的微波輸出,則要求慢波結構的平均半徑很大,導引磁場系統的體積和重量會變得較大,這給器件的小型化帶來了很大的困難。Research on x - band inner coaxial disk - loaded relativistic backward - wave oscillator
波段內同軸膜片加載相對論返波振蕩器的特性研究The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed
對由前向爆轟產生驅動氣體並具有局部錐形收縮截面的軸對稱激波管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界面處數值振蕩的新方法成功地推廣到二維情況。分析了該激波管的力學特性。Several new styles of radial klystron oscillators are studied theoretically and numerically. these new members include : the radial klystron oscillator with foldaway - concentric cylindrical cavity, the radial reflex klystron oscillator with virtual cathode and radial reflex klystron with open foldaway - concentric cylindrical cavity
它們是折疊式諧振腔徑向速調管振蕩器,高功率虛陰極徑向反射速調管振蕩器,開放式同軸折疊式諧振腔徑向反射速調管振蕩器。A new coaxial vircator with high efficiency and high power
一種高效率和高功率的雙同軸虛陰極振蕩器Theoretical analysis and simulation study on inward - emitting coaxial vircator
向內發射同軸虛陰極振蕩器理論分析與數值模擬Another type of improved vircator is also presented, and satisfactory results are also achieved
此外,還提出了另外一種對軸向反饋式虛陰極振蕩器進行改進的方法,並且獲得了較好的模擬結果。The frequency and mode of the generated microwave are very pure. these results can provide a possible method for constructing a compact high - power microwave device. in addition, a virtual cathode oscillator with an axially extracted te11 mode based on the spark05 accelerator in our laboratory has also been investigated using the pic simulation code
基於spark05加速器電子束參數設計的軸向提取te11模虛陰極振蕩器,利用類似的設計思想,通過改變電壓的饋入方式和陰陽極結構,實現了中心陰極負脈沖電壓的激勵,同樣獲得了較好的粒子模擬優化結果。Particle simulation of compact l - band coaxial relativistic backward wave oscillator
波段同軸相對論返波振蕩器的粒子模擬We presents a detailed studied of the linewidth of parametric light in clbo - opo caused by the linewidth of pumping beam, off axis phase matching, divergence angle of pumping, time above threshold, high gain coefficient of nlo crystal, fluctuate of cavitylength, spontaneous radiation, according to the momentum and energy conversion laws, and the sellmeier equations of the clbo, we calculated curves of the type - i and type - ii compared with the bbo ' s
根據能量動量守恆關系和clbo的色散方程,詳細分析了由於泵浦光的線寬、泵浦光偏軸泵浦、泵浦光的發散角、泵浦光功率超過參量光振蕩閾值一定倍數、高增益系數、有效腔長波動以及自發輻射引起的參量光線寬,並得到了與bbo晶體在類、類相位匹配下比較的理論曲線。Particles coupling between horizontal and vertical oscillations in csrm
束流徑向和軸向振蕩的耦合The virtual cathode oscillator ( vircator ) is one of the most important devices that can produce high power microwaves. for the increasing of microwave power and the locking of operation frequency, researchers have proposed many different types of improved vircators
軸向反饋式虛陰極振蕩器主要利用反饋微波調制電子束和虛陰極,從而增大微波輸出功率、提高效率、穩定頻率、凈化模式。A virtual cathode oscillator with an axially extracted te10 or te11 mode has been investigated using the pic code. it can emit microwaves axially through an antenna without mode converter or transition waveguide, making the system more simple and compact. the efficiency of this device can be enhanced by employing premodulation cavity, resonant cavity, feedback mechanism, and virtual cathode formed by two electron beams
本文利用物理分析和粒子模擬的方法研究了軸向提取te10 / te11模虛陰極振蕩器,結果表明通過引入預調制腔、諧振腔、反饋端面、雙電子束陰極等結構,可以實現結構相對緊湊、束波轉換效率較高的軸向提取虛陰極振蕩器。Research of unsteady aerodynamic force and oscillating flow field around cascade on shafting torsional vibration
軸系扭振條件下葉柵振蕩流場研究和非定常氣動力的確定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First, the present thesis gives theoretical investigations on the coaxial bwo using the linear fluid model
首先,本論文採用線性理論模型研究了同軸相對論返波振蕩器的相互作用過程。The results show that the radius of the slow - wave structure can be much smaller in the coaxial bwo case than in the non - coaxial bwo case
結果表明:採用同軸慢波結構實現l波段返波振蕩器的微波輸出,可以大大減小微波器件的徑向尺寸。Secondly, based on the theoretical investigations, a coaxial bwo is designed which operates in the frequency regime of l - band. and its interaction process is analyzed
其次,利用線性理論分析結果,我們給出了一個l波段同軸相對論返波振蕩器的物理模型,並從理論上分析了其束波相互作用的物理過程。It is paid attention to that the longitudinal component of electric field of the coaxial tm01 mode can be strong, differing from the tem mode in the conventional coaxial waveguide. so the coaxial tm01 mode can have much strong interaction with the electron beam
值得注意的是,與普通同軸結構tem波不同,同軸慢波結構tm01模式的縱向電場不為零,這是同軸返波振蕩器中的電子束能夠與它有強相互作用的重要原因。分享友人