振蕩理論 的英文怎麼說

中文拼音 [zhèndànglún]
振蕩理論 英文
theory of oscillations
  • : 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...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 理論 : theory
  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穩定燃燒或燃燒。
  2. 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器的進行了闡述和分析。
  3. The designs of the pfd, digital filter ocxo and fractional - n counter in the frequency synthesizer unit are discussed, based on the pll theory. in order to improve the precision of pll, some design methods of pfd are given, and its feasibility is validated by the fpga hardware implement

    2 .在鎖相指導下,第三章討了頻率合成器設計中的鑒頻鑒相器、數字濾波器、恆溫壓控器和分頻電路設計。為了進一步提高頻率合成的精度,文中給出了提高鑒頻鑒相器性能的一些設計思想,結合fpga的硬體設計驗證了其可行性。
  4. Firstly, i provide a brief review of the previous achievements and investigations on the low - dimensional quantum devices and semiconductor superlattice, in which some principal theories such as bloch oscillations, wannier - stark ladder, zener tunneling and related progress in experiments are introduced

    首先綜述了過去三十年低維量子器件與半導體超晶格的發展與相關研究,介紹了bloch、 wannier - stark臺階、 zener隧穿等關鍵以及相關實驗方面的進展,並引入簡化模型:緊束縛模型與單帶模型。
  5. 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

    文指出,由於傳統小信號穩定分析方法的局限性,及動態監測設備和非線性等新技術與的迅速發展,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,並研究相應的控制策略。
  6. The damper is mounted on the free end of the rotor. the experiments done show that the oil whip can be good damped by the passive electromagnetic damper

    計算的基礎上還進行了實驗研究,在不停機的條件下,通過被動式電磁阻尼器成功地在線消除了系統的油膜
  7. 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、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,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工大學碩士學位光束腰半徑時,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 。
  8. Haken, the founder of synergetics, has used the oscillations of the parameters, which were called attention parameters in his nonlinear equations, to explain oscillations of perception. we introduce a logistic map subsystem to the art to create a vigilance - controllable mechanism. via it, the human ' s multi - fold ambiguous perception is successfully simulated. with the reciprocal development for decades in artificial intelligence ( ai ) and ann, the join up between them has become a great trend

    協同創始人haken的將多義感知現象用非線性方程注意參量的來解釋感知,我們提出用邏輯斯諦映射子系統來產生art注意參數,從而成功地實現了用art模擬認知的多義感知現象,這也為art提供了一種控制與調節注意參數的機制。
  9. 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

    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 %時的開環不穩定性、次諧波傾向、不想的閉環響應、噪聲等。
  10. After analyze the theory about w - band millimeter integrate oscillator, using impatt diode come from russia, we manufacture the w - band cw integrate oscillator. it is first domestic w - band millimeter integrate oscillator using impatt diode. the oscillator ' s output power is exceeding 7mw, working at 94. 785ghz

    通過對三毫米集成源進行分析和實驗研究,最終在國內首次採用從俄羅斯引進的三毫米連續波雪崩二極體研製成功w波段微帶集成源,工作頻率為94 . 785ghz ,輸出功率大於7mw 。
  11. Analytical theory of microwave generation in vircator

    虛陰極器中微波產生的解析
  12. In this dissertation, the pulse jet style, the influence on the shock wave, the flow in the tube and the cooling effect was deeply studied theoretically and experimentally. the influence of the pulse jet style on the forming of shock wave and the shock wave intensity was explored. the initial disconnection style in oscillating tube vented and the initial disconnection breakdown was proposed by different pulse jet style

    本文對脈動射流的型式及其對激波、管內流動及冷效應的影響進行了較系統的和實驗研究,主要包括:探討了脈動射流的型式對形成管內激波形成及激波強度的影響,給出了不同脈動射流的型式下管開口端初始間斷的類型,對初始間斷進行了分解,導出了包含進氣、排氣參數及工質物性參數的管內入射激波馬赫數mj的表達式,給出了管內激波形成的三種原因及其所對應的脈動射流型式和具體的工作狀態。
  13. Theoretically, on the bases of the physical and chemical characters of nonlinear frequency - conversion crystal ktp, the parameters such as walk - off angel, acceptance angle and effective nonlinear coefficients are calculated, analyzed and discussed, together with elaborate analysis to phase - matching process for type ii ktp opo phase - matching

    在晶體的光學性能方面,根據ktp的物和化學性能,對它的有效非線性系數、走離角和接受角等參數進行了計算、分析和討。對ii類相位匹配的ktp晶體在參量過程中的相位匹配進行了詳細的分析和計算。
  14. The coupling from the pulse jet in the nozzle to the unsteady flow in the tube was discussed. and the relations between the parameters of gas charge and discharge, structure, working, flowing in tube and ideal cooling efficiency were established. the theory foundation of the influence of pulse jet on the flowing in the tube and characteristic would be built

    探討了脈動射流與管內非定常流動的耦合問題,建立了脈動射流有關參數如進、排氣參數、結構參數、運行參數等和管內流動參數及想製冷效率之間的普遍聯系,為研究脈動射流參數對管內流動及其性能的影響打下了基礎。
  15. In the tidal estuary, the current is complex, and the flow is oscillatory. some experiential formulation has presented to calculate the vertical turbulent mixing coefficient. on the base of analysis of the hydrodynamic in the estuary, the theoretical equation, which describes the distribution of the space and time of vertical turbulent exchange coefficient, has developed, the equation has applied to the practice

    潮汐河口水流呈往復運動,本文在分析潮汐河口水動力特性基礎上,考慮了慣性力及重力等項的影響,通過推導得到潮汐河口垂向紊動交換系數的空間分佈及時間分佈的計算公式,以及垂向平均紊動交換系數的時間分佈的計算公式,並將其應用於潮汐河口的實際計算中。
  16. Hydrodynamic theory of the interaction in radial transit - time oscillator

    徑向渡越時間器互作用特性的流體分析
  17. Chapter three is about the experimental research of the real time optimal position system ( see chapter two ), emphasis on the high performances of 196mx pts interrupt response and safe design of ipm module. the analysis of perfect experimental waveforms and basic algorithm are also provided. chapter four focus on the properties and application of ekf estimator

    文第三章對點對點快速定位系統進行了實驗研究,重點介紹了196mxpts中斷系統對高速處實時邏輯信號和消除編碼盤光電頭邊緣效應所起的作用、 ipm模塊的安全性分析設計等,同時給出了完整的實驗波形分析以及基本演算法。
  18. One perturbation problem in complex oscillation theory

    振蕩理論中的一個擾動問題
  19. An enclosed single tube thermal separator was designed and by means of which the influence of single element of q, l, f, on the performances of thermal separator was investigated experimentally. on the basis of the comparison between the theoretical analyses with the results of the experiment, a relatively systematical theory of the cooling mechanism and peak oscillating effect of the thermal separator was founded

    設計了一臺封閉式單管熱分離實驗裝置,對q 、 l 、 f 、 、激波吸收器等因素對熱分離機性能的影響進行了單因素實驗;對分析和實驗結果進行了比較,形成了較為系統的熱分離機製冷機和峰值振蕩理論
  20. 2. second harmonic generation in superlattice is derived from the coupled equation of three waves i discusing the relationship between the period of ppln and pumping wavelength. 3. on the theory of optical parametric oscillators, ppln - opo are analyed. theoretical analysises on temperature tuning and period tuning are presented

    以光參量振蕩理論為基礎,分析了ppln opo在不同泵浦波段的調諧特性,重點討了加ln opo的溫度調諧和周期調諧特性以及ppln opo的溫度帶寬周期帶寬,從上研究了ppln opo信號光的轉化效率和輸出特性。
分享友人