pulse propagation 中文意思是什麼

pulse propagation 解釋
脈沖傳播
  • pulse : n 1 脈搏；有節奏的跳動；【動物；動物學】脈沖（波）；脈動。2 意向；傾向。3 【音樂】拍子，律動。vi ...
  • propagation : 持續培養
  1. The research work in nonlinear pulsatile flow and nonlinear pulse wave propagation is reviewed

    本文首先回顧了前人在彎曲動脈中脈動流和脈搏波傳播方面的研究工作。
  2. We study the propagation of ultrashort chirped pulse beams in free space. the results show that the chirp influenced on the spatial singularity more than the width of the pulse beam

    但是對于啁啾脈沖光束，啁啾導致的脈沖光譜展寬仍然會導致脈沖光束的空間奇異性，脈沖啁啾比脈沖長度對脈沖空間奇異性出現的影響更大。
  3. The propagation of ultrashort laser pulse in air is analyzed with mechanics analogy by considering kerr effects and free electron defocusing. the equation describing the evolution of the laser spot is derived. it is shown that long distance focusing requires large initial beam and the propagation distance is very sensitive to the initial divergence angle of the laser beam

    考慮多光子電離效應和光學kerr效應，首次利用力學類比的方法研究了超短脈沖激光在電離氣體中的傳輸，詳細分析了傳輸距離與激光初始光斑、初始發散角以及激光功率的關系，提出了實現長距離傳輸的條件。
  4. In 1992, a. enders and g. nimtz researched the propagation of microwave signal through several different cutoff waveguides with hp8510b network analyzer ( na ) system and hp70820 transition analyzer ( ta ) system. since 1990s, emig, martin and landauer have been investigating the propagation of electromagnetic pulse through a waveguide with piecewise different dielectric constants

    1992年，德國科隆大學的enders和nimtz採用hp8510b網路分析儀系統和hp70820轉換分析儀系統研究了不同結構的截止波導中的信號傳播，並計算出調制音樂穿過截止波導的時間小於其在真空中的傳播時間。
  5. In 1992, a. enders and g. nimtz researched the propagation of microwave signal through several different cutoff waveguides with hp8510b network analyzer ( na ) system and hp70820 transition analyzer ( ta ) system. since 1990s, emig, martin and landauer have been investigating the propagation of electromagnetic pulse through a waveguide with piecewise different dielectric constants

    1992年，德國科隆大學的enders和nimtz採用hp8510b網路分析儀系統和hp70820轉換分析儀系統研究了不同結構的截止波導中的信號傳播。從90年代開始， emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖波的傳播。
  6. Analyses of pulse wave propagation in arteries

    動脈中脈搏波傳播分析
  7. Numerical examples show that, pulse deformation and broadening, spectrum redshifting, narrowing and distortion take place with increasing diffraction angle in the near field, and the pulse form changes with propagation distance in the near field, but is preserved in the far field

    數值計算例說明在近場隨衍射角的增大會出現脈沖變形、加寬、譜紅移、變形、變窄等特性，脈沖形狀在近場隨傳輸距離變化而變化，但在遠場保持不變。
  8. In this paper, radiation hydrodynamics model is used to study the interaction between short pulse intense laser and plane au target, which includes laser ' s propagation and absorption in plasma, x - ray emission, plasma development and its thermodynamic state

    本文用非平衡的輻射流體力學模型系統地研究了短脈沖強激光與平面金靶相互作用的物理過程，包括激光在等離子體中的傳播和吸收， x -射線的發射，等離子體的流體力學發展和熱力學狀態等。
  9. The saturation time in our simulation is consistent with the prediction of the theory. furthermore, we also studied the propagation of two pulses with inverse phase. in this case, the wakefield excited by the first pulse will be absorbed by the second pulse which shifts to higher frequency

    此外，我們還研究「位相相反」的兩個脈沖在稀薄等離子體中的傳播，第二個激光脈沖由於吸收了前一脈沖激發的靜電場，頻率向高頻方向漂移，得到頻移的大小與符合理論推測。
  10. Using the variational method, analytical conditions for stationary pulse propagation in dense period fibers with strong dispersion management are deduced. the expression of initial soliton peak power is given. by employing the obtained formulas, the soliton evolution semi - analytically in various dispersion maps can be investigated. effects of the third order dispersion are also studied in this paper. the results show that imperfect dispersion slope compensation can cause pulse central position shift and even serious degradation of soliton shape

    利用變分方法，推導出了在強色散管理的密集周期光纖中脈沖穩態傳輸的解析條件，並給出了初始脈沖峰值功率的表達式.運用這些公式，對各種色散管理系統中孤子的演化進行了半解析的考察.三階色散也被考慮在內.結果表明:不完善的色散斜率補償將導致脈沖中心位置的偏移甚至嚴重的孤子形狀劣化
  11. Ultrashort intense laser pulse propagation in low - density plasmas and air xiao yuan, doctor of philosophy, 2002 dissertation advised by : lu baida, professor of physics the study of ultrashort intense pulse laser beams in low - density plasmas and air is relevant to a wide range modern application

    超短超強脈沖激光在低密度等離子體和空氣中的非線性傳輸是當今強激光與物質相互作用研究的一個重要課題。本論文闡述了超短超強激光在低密度等離子體和空氣中的長距離自聚焦和自導引效應。
  12. Pulse propagation velocity

    脈沖傳播速度
  13. Summing up time harmonic propagated waves of all frequency gives the pulse propagation along the line

    加總所有頻率成份弦波之時域傳播即得時域脈波之傳播。
  14. Methods of testing plastics - mechanical properties - tensile vibration - sonic - pulse propagation method

    塑料試驗方法.第3部分:機械性能.拉伸震動.試驗方法323f :聲脈沖傳播法
  15. If the time harmonic source is assumed to be constant voltage, the summed pulse propagation is the impulse response along the line

    若各頻率成份之電源為定電壓，則所得時域脈波即脈沖電壓源在傳輸線上之脈沖響應。
  16. Chapter5 : the effect of cross - phase modulation ( xpm ) on pulse propagation and sc spectrum generation in a dispersion - flattened and decreasing fiber are researched. it is found that xpm could enhance the sc spectrum generation and increase the generation efficiency

    研究結果表明，交叉相位調制效應對超連續譜的產生起到增強的作用，提高了超連續譜產生的效率。
  17. In this work, incident super - gaussian pulse propagation in conventional single - mode fibers has been investigated in detail after taking into account the fiber chromatic dispersion. the results show that for an incident super - gaussian pulse with steep leading and trailing edges, its shape undergoes a variation from near - rectangular, two - peak, and finally to single - peak. in the meantime, its peak intensity increases at first, after passing a maximum, and finally decreases monotonously

    數值模擬的結果表明:超高斯入射光脈沖在光纖中傳輸時脈沖波形、瞬時惆啾、以及峰值強度的演變規律與高斯入射脈沖不同，脈沖波形不再總保持單峰結構，通常將經歷一個從近平頂、多峰、最後到單峰的演變過程;從脈沖的前沿到后沿，瞬時明啾也不再為線性，而是具有多個極值;峰值強度隨傳輸距離的變化趨勢也不再為一單調遞減，而是先增加后減小。
  18. We also compared the effects of positive and negative third - order dispersion working with srs. the result shows that the effect of negative third order dispersion working with srs is more suitable for pulse propagation and compression. as a result, we proposed two methods to facilitate the propagation of optical pulse in nolm, and hence provided a theoretic guidance to the better design of eight - figure fiber laser

    並且通過比較正、負三階色散分別與拉曼散射效應的相互作用對飛秒脈沖傳輸特性的影響，發現脈沖拉曼散射與負的三階色散相互作用更有利於飛秒脈沖的傳輸與壓縮，從而提出了改善了飛秒光脈沖在環形腔中的傳輸特性的兩種方法，進而為「 8 」字形光纖激光器的優化設計提供了理論指導。
  19. In this work, after giving the selective method of the time window width and the minimum time window width required for corrected calculations of optical pulse propagation in fibers, the shapes of various incident pulses after passing through different fiber lengths have been simulated by selecting different time window widths

    在此基礎上，對不同的光脈沖在光纖中的傳輸進行了數值模擬，發現前人得出的超高斯光脈沖在光纖中傳輸會由於色散而產生脈沖形狀扭曲這一結論是錯誤的，並指出了錯誤的原因所在。
  20. The research of electromagnetic missile and the slow - decay effect is the advanced task of the electromagnetism, which can be widely used in many fields : ultra - wide radar, ultra - wide secrecy communication, high - power microwave and etc. the detailed analysis of the slow - decay effect of pulse propagation is presented in this paper

    電磁導彈及有關慢衰減電磁波的研究是當前電磁學的前沿課題之一，其應用領域十分廣泛，如超寬頻帶雷達、超寬保密通信和高能微波等。本文對脈沖傳播慢衰減特性進行了詳盡分析。
分享友人
分享到 Line

分享到臉書