self-modulation 中文意思是什麼

self-modulation 解釋
自調制
  • self : n （pl selves ）1 自己；自身；本身；【哲學】自我；我。2 本性；本質。3 私利；私心，私慾。4 〈俗〉...
  • modulation : n 調整，調節；（聲調的）抑揚，變化；【音樂】轉調，變調；【無線電】調制。 amplitude modulation 振...
  1. Self - modulation of intense relativistic annular electron beam in equipotential resonant cavity

    強流相對論環形電子束自調制振蕩研究
  2. There has been a revolutionary advance in ultrashort pulse technology since the discovery of self - mode locking of ti : sapphire lasers. few - femtosecond pulses have already been generated from ti : sapphire lasers, by means of combining self - phase modulation with negative group velocity dispersion, which is similar to the way of soliton generation

    鈦寶石激光自鎖模的發現使得超短脈沖技術發生了革命性的變化，利用自相位調制和負群速度色散結合的類孤子產生方式，人們已經在鈦寶石鎖模激光器上得到了脈寬只有幾個飛秒的光脈沖。
  3. In the " gaussian - shape pulse excite wakefield scheme " simulation, the laser pulse undergoes " self - modulation " and " self - focusing " and the p

    在這一密度區域，傳統的觀念認為是不能激發「受激aaman散射」的。
  4. Keeping the self - adjusting of damping behavior when the controllability of semi - active damping is disable, or saving the unnecessary energy when the continuous modulation of damping is not needed, the composite structure for self - shifting between passive and semi - active structure is presented

    摘要當磁流變減振器半主動功能失效時，為保持其阻尼性能仍具一定的自調節性或實際路況不需無級調節時，節省不必要的能耗，提出用於車輛半主動懸掛系統的被動與半主動功能自動切換的復合結構磁流變減振器。
  5. It was in this self - q - switching project that a common single mode fiber was connected to er - doped fiber in the fiber laser, in which the sbs process of single mode fiber was used to make the q modulation

    本文方案為在摻鉺光纖激光器中的摻鉺光纖後接一普通通信用單模光纖，利用單模光纖的受激布里淵散射效應對光纖激光器實現自調q 。
  6. The ic modulation circuits and microprocessor are used in the control unit. on the side of input of inverter, the maximum power point tracking of solar module is well realized by using a kind of thought of self - optimizing control ; on the side of output of the inverter, a kind of approximate optimum v / f control strategy is used in order to optimize the match between the output of the inverter and load of motor - pump

    在逆變器輸入側，採用自尋優控制思想實現太陽能電池最大功率點跟蹤（ mppt ） ；在輸出側，採用了v / f近似優化的控制策略，以優化逆變器輸出與機泵負載之間的匹配。
  7. Self phase modulation

    自相位調制
  8. In dwdm, the nonlinear effects such as self - phase modulation ( spm ), cross - phase modulation ( xpm ) become important

    然而多波長的密集傳輸使得光纖中的非線性效應（自相位調制、交叉相位調制等）顯著增強。
  9. The study based on self phase modulation mechanism and the effects of gvd on sc generation are mostly focused on by analyzing and calculating theoretically

    本文主要研究群速度色散對光纖中自相位調制效應sc譜展寬的影響，分析了產生sc譜的物理機制。
  10. Finally, we study the effect of longitudinal wakefield in the propagation of intense laser in plasma and find that this effect leads to asymmetric self - phase modulation of the pulse

    最後研究了尾波場效應對激光傳輸的影響，發現縱向尾波場效應將導致激光脈沖不對稱自相位調制。
  11. During these processes, diffraction, self - phase modulation, cross - phase modulation and physical distance between the beam centers all have important effects on the beams and the pulse beams propagation

    在這些過程中，衍射、自相位調制、交叉相位調制、光束之間的間距等都對光束和脈沖光束在非線性介質中的傳輸產生重要的影響。
  12. The origin of supercontinuum ( sc ) generation in optical fibers has been conjectured to be the interplay between fiber nonlinearities ( self phase modulation, cross phase modulation and raman self scattering ) and group - velocity dispersion ( gvd )

    光纖中超連續supercontinuum （ sc ）譜的產生源於光纖中各種非線性效應（自相位調制效應、交叉相位調制效應，四波混頻效應及受激raman散射等）和群速度色散的共同作用。
  13. Realization of the wide - band shaping filter in baseband is carefully analyzed, and then a low - cost realization method is brought forward. furthermore, through shaping filters, i / q route self - synchronization and compensation and revise of the nonlinearity and the imbalance of amplitude and phase of the modulation circuits are advanced

    分析了基帶寬帶數字成形濾波器的實現難點，提出了低代價的實現方法，並利用成形濾波器解決了調制端i / q自動同步，調制電路的各種非線性和幅相不平衡的補償校正等問題。
  14. We derive an analytic expression of the group velocity dispersion ( gvd ) induced chirp and the self - phase modulation ( spm ) induced chirp in the normal dispersionregion of non - kerr - like optical fibers with saturable nonlinarity. the evolution of chirp is simulated by numerical methods. the studied results show that the more powerful saturable effects, the smaller is chirp and the gently is chirp. the net chirp is zero in the central region of the pulse

    從理論上推導出具有飽和非線性的非克爾光纖正常色散區內，群速度色散效應導致的啁啾和自相位調制效應導致的啁啾解析表達式.利用數值解法模擬了非克爾光纖正常色散區啁啾演變過程.研究結果表明：當非克爾光纖的飽和非線性增強時，凈啁啾不斷減小，而且，越來越平緩，脈沖中心附近區域凈啁啾接近零
  15. As the dispersive influence can be easily described by a frequency transfer function, the feasibility of measuring the function with the g - s algorithm is researched numerically in the next part. from the results of simulation with fibers with different length and pulses with different width, it ’ s known that the convergence of the algorithm is related to the difference between the input and output pulse. then, the influence of attenuation and self phase modulation of fiber is discussed, and the influence of the delay phenomenon and fitted polynomial is also analyzed

    通過對不同光纖長度和不同輸入脈沖脈寬的計算，得到了g - s演算法的收斂性與輸入波形和輸出波形之間的關系;在此基礎上，通過對光纖損耗、自相位調制的模擬，分析了損耗和自相位調制對光纖傳遞函數測量的影響;本文還分析了波形測量中的拖尾現象和多項式擬合對測量的影響，進而，對利用g - s演算法進行單模光纖傳遞函數測量的可行性進行了闡述。
  16. The origin of supercontinuum spectrum ( sc ) generation in optical fibers has been shown to be the interplay between fiber nonlinear effects ( such as self phase modulation, cross phase modulation, stimulated raman scattering and stimulated brillouin scattering etc ) and group - velocity dispersion ( gvd )

    光纖中超連續譜supercontinuumspectrum （ sc ）的產生源於光纖中各種非線性效應（如自相位調制效應、交叉相位調制效應，四波混頻效應、受激raman散射與受激brillouin散射等）和群速度色散共同作用。
  17. Self - focusing and self - defocusing have their origin in the intensity dependence of the refractive index of the nonlinear medium. the picture becomes more complicated when two copropagating optical beams affect each other through nonlinear cross - phase modulation

    當兩光束共同在非線性介質中傳輸時，兩光束由於交叉相位調制效應將會相互作用，其物理機制變的比較復雜。
  18. Based on the findings above, more conclusions are presented in the following : 1 ) adolescents have a lower, general evaluation on internet environment and they are not satisfied with it ; adolescents have positive behaviors rather than negative behaviors on internet ; adolescents have a higher self - evaluation on internet ; the commonly and frequently negative internet behaviors are cheating, legpulling and adventuring, etc ; the internet use motivations are chat on - line, amusement, information reception, correspondance, emotional modulation, etc. internet use only has a negative influence on a few numbers of the adolescents ;. 2 ) adolescents most frequently use chat on - line, which is sequently followed with amusement, general information browse, e - mail, etc. in addition, there is no gender significant difference between internet use and user ' s surfing time

    研究發現： 1 ）青少年對網際網路環境的總體評價較低；在網際網路中積極的行為多於消極的行為；對自我網際網路行為的評價高於對他人的行為評價；常見的消極網際網路行為依次是欺騙、惡作劇與冒險，且對他人構成的消極影響較小；網際網路使用動機依次是在線聊天、娛樂休閑、獲得信息、與親朋好友聯系和調節情緒；網際網路使用只對少數青少年個體造成負面影響； 2 ）青少年在網際網路上使用最多是在線聊天，其次為娛樂、聽音樂、看電影、一般的信息瀏覽、收發郵件和搜尋網上資源等。
  19. The conclusion is that the vectorial effect influences more on the small - scale self - focusing than the non - paraxial effect. a new growing mode existing when the modulation on the direction of polarization is discussed in this chapter

    同時與極化方向平行的新的增益模式有可能出現並可以在波長的尺度上產生自聚焦，文章討論了這種可能性。
  20. In fact, the so - called social control should include state modulation and self - control of the society ; the so - called control should be the unity of control and non - control

    實際上，所謂「社會」控制應包括國家對社會的調控能力、力度和社會自我調控能力，所謂「控制」應當著眼于控制與非控制的統一。
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