穩定振蕩 的英文怎麼說

中文拼音 [wěndìngzhèndàng]
穩定振蕩 英文
stable oscillation
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 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...
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  1. Afterburner systems, designed to operate up to a stoichiometric overall mixture strength, are always fairly close to combustion instability or screech.

    要使加力燃燒系統在理論化學組成量的總混合濃度下還在一直工作,這樣的設計通常都很接近於不燃燒或燃燒。
  2. This paper also studies an hvdc system based on leee fbm, a svc system based on ieee fbm and a statcom system based on ieee fbm. it proves the function of supplementare subsynchronous damping controller ( ssdc ) in the above devices to mitigate ssr. it also analyzes the influence of input signal of ssdc on ssr mitigation, tdeng hvdc as an example

    在psasp小干擾線性化平臺psaspaisst上,對基於ieeefbm的hvdc系統、基於ieeefbm的svc系統和基於ieeefbm的statcom系統分別進行了ssr小干擾分析,驗證了在這些裝置中安裝次同步阻尼器( ssdc )對r的抑制作用,並以hvdc為例,研究了ssdc輸入信號對其抑制ssr的影響。
  3. But sometimes self - excited oscillations and noise may appear in hydraulic flapper - nozzle servo - valve if its construction is not selected very correctly. if self - excited oscillations and noise appear in hydraulic servo - valve, the performance of hydraulic control systems may lose stability

    因它具有非常快的響應速度,所以是目前應用最廣泛的伺服閥,但它也存在自激現象,容易產生自激噪聲和,嚴重影響伺服控制系統的性。
  4. The pointer oscillates for some time before setting down to a steady deflection.

    指針會一段時間然後才靜止到一個的偏轉角。
  5. Abstract : thethat theis developed into. it can ensure the existence of the stable vibration of the reginal matris, given centain conditions

    文摘:將系統推廣到,它在一條件下,仍然存在其區間矩陣平
  6. And finally, with hllc and lax - friedrichs type approximate riemann solver for discretising conservative equations and a nonconservative equation, a simple accurate and fully eulerian numerical method is presented. compared with the numerical results of hll scheme, the hllc scheme has a high resolution for shock waves and avoiding the nonphysical oscillation of the hll scheme

    最後用lax ? friedrichs格式及hllc格式作為通量函數對守恆一維euler型方程組進行了離散,並將數值模擬結果和saurel的hll格式模擬結果進行了比較,發現:在兩相流數值模擬過程中,相對來說hllc格式對激波的解析度最高,結果最,避免了hll格式在間斷處的非物理性數值
  7. A high weathercock frequency is essential for the stability of the guidance loop.

    從制導迴路的性角度來看,短周期頻率高是基本的。
  8. The backward - wave oscillator ( bwo ) is one of the promising devices that can produce high - power microwaves and is intensively investigated because of its merits such as compact structure, high efficiency and good stability

    相對論返波器是有發展前途的高功率微波源之一,具有電磁結構緊湊、效率高和運行等特點,在國際上受到廣泛重視。
  9. Digital simulations reveal many valuable characteristics of the power system low frequency oscillation. the limit of conventional analysis and the appearance of new technique such as wams together with the advance of the nonlinear theory, require a new method for oscillation research of power grid, which can combine small and large disturbances analysis effectively

    論文指出,由於傳統小信號分析方法的局限性,及動態監測設備和非線性理論等新技術與理論的迅速發展,有必要研究新的分析方法,以更加有效地揭示互聯系統小擾動、大擾動后的機理,並研究相應的控制策略。
  10. 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,給出了一泵浦耦合方式下,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西安理工大學碩士學位論文光束腰半徑時,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 。
  11. Analysis and tests show that by using slope compensation, the open - loop instability, sub - harmonic oscillation, non - ideal closed - loop response and noise etc. when duly cycle above 50 %, can be reduced or eliminated

    理論分析與試驗表明,通過引入斜坡補償可以抑制或消除占空比超過5 %時的開環不性、次諧波傾向、不理想的閉環響應、噪聲等。
  12. Relation between size - uniformity of si nanoparticles and oscillating stabilization time of the mixed region during laser ablation

    激光燒蝕過程中密度交疊區時間與晶粒尺寸均勻性的關系
  13. The radiation field evolves from a steady saturation state to a limit cycle oscillation state, and eventually to chaotic oscillation state as the current increases, the region in which the field exhibits limit cycle or chaotic oscillation is called the " soft " and " hard " nonlinear regime, respectively : ( 1 ) in the " soft " nonlinear regime, the radiation field is characterized by period doubled bifurcation and the discrete power spectrum

    隨著電流的增大,輻射場經歷由飽和到極限環型的周期,並最終過渡到非周期性混沌的演化過程,按其狀態可分為「軟」和「硬」兩種非線性區域: ( 1 )在「軟」非線性區域,場的極限環態和飽和態是交替出現的,其特徵是典型的倍周期分岔,輸出功率譜是分立的。
  14. 7. all use quartz crystal circuit, so the frequency is very steady

    9 .採用晶體電路,具有極高的
  15. The simulation results indicate that the oscillator circuit with the cmos technology producing steady oscillating signal has power consumption as low as 800uw

    模擬表明,採用cmos工藝能使器電路在產生穩定振蕩波形的同時,達到800uw的較低功耗。
  16. The equivalent circuits is synthesized for the case where the te10 mode is the only propagating waveguide mode, which based on basic waveguide - circuits equivalent circuits such as cross - coupled coaxial line rectangular waveguide junctions, rectangular waveguide transmission lines etc. then we make the computation program for the equivalent circuits to analyse and optimize the vco circuit, and get the each parameter ' s influences on vco output signal

    本文從波導電路的等效電路出發,綜合出3mmvco基波工作時只考慮te10模的等效電路,依據此編製程序完成了器電路的分析優化,得出了電路中各個參數對器頻率溫度度性能的影響。
  17. The system parameters are developed at the same time, and some universal conclusions on the theoretical analysis of pll are reached. then, we have carried on analysis and research to the theory of differential delay ring voltage controlled oscillator ( vco ). on this basis, a improved differential delay ring vco with more efficient loads is described. this circuit has been designed and implemented in 0. 35 m cmos technology

    本文還對差分延遲結構環形壓控器電路進行了深入的分析與研究,並提出了一種基於高質量電阻電路的主從差分延遲結構環形壓控器,其採用了一種新型的主從差分延遲結構,並用一個更有效、更的負載電阻電路結構來替代vco設計常使用的單個mos管電阻結構,使其系統性有了相應提高。
  18. Gps is a planet wireless conductance system which is global and all - weather, gps can offer high precision time orientation information to infinite user, clock precision reachs 10 ? 6 magnitude 。 not only changes traditional time method of quartz crystal clock, but also replaces wireless shortwave and even more lowfrequency signal and tv signal whose overlay range is limited and low precision, offers advantage to geology field task, achieve automatization and high precision of seismic flow observation

    利用gps授時信號全方位、全天候、連續性、實時性和高精度的特點,以gps信號為基準來校準本地時鐘(晶體時鐘或原子鐘) ,將gps接收機輸出信號的長期度和恆溫晶的短期度相結合,應用大規模可編程邏輯器件,設計和實現了由pc104控制的實時在線授時系統。
  19. This inhibiting of flow oscillations adds stability to the combustion chamber.

    對流動的這種抑制作用提高了燃燒室的性。
  20. 4. the fundamental principles of both the linear cavity fiber laser and the ring cavity fiber laser and the stability criterion for multiwavelength oscillations are introduced. several kinds of techniques to achieve mulitwavelength oscillations are summarized

    4 .介紹了線形腔光纖激光器和環形腔光纖激光器的基本理論以及多波長激光器穩定振蕩的條件,並總結了幾種實現多波長摻鉺光纖激光器的穩定振蕩的方法。
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