pulse propagation造句
例句與造句
- Pulse propagation velocity
脈沖傳播速度 - 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(shí)域傳播即得時(shí)域脈波之傳播。 - Effects of loss , third - order dispersion and five - order nonlinearity on chirp gaussian pulses propagation in optical fiber
高階非線性效應(yīng)對啁啾高斯光脈沖傳輸?shù)挠绊?/li> - Methods of testing plastics - mechanical properties - tensile vibration - sonic - pulse propagation method
塑料試驗(yàn)方法.第3部分:機(jī)械性能.拉伸震動.試驗(yàn)方法323f :聲脈沖傳播法 - 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(shí)域脈波即脈沖電壓源在傳輸線上之脈沖響應(yīng)。 - It's difficult to find pulse propagation in a sentence. 用pulse propagation造句挺難的
- 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(jié)果表明,交叉相位調(diào)制效應(yīng)對超連續(xù)譜的產(chǎn)生起到增強(qiáng)的作用,提高了超連續(xù)譜產(chǎn)生的效率。 - 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(qiáng)脈沖激光在低密度等離子體和空氣中的非線性傳輸是當(dāng)今強(qiáng)激光與物質(zhì)相互作用研究的一個(gè)重要課題。本論文闡述了超短超強(qiáng)激光在低密度等離子體和空氣中的長距離自聚焦和自導(dǎo)引效應(yīng)。 - 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(dǎo)出了在強(qiáng)色散管理的密集周期光纖中脈沖穩(wěn)態(tài)傳輸?shù)慕馕鰲l件,并給出了初始脈沖峰值功率的表達(dá)式.運(yùn)用這些公式,對各種色散管理系統(tǒng)中孤子的演化進(jìn)行了半解析的考察.三階色散也被考慮在內(nèi).結(jié)果表明:不完善的色散斜率補(bǔ)償將導(dǎo)致脈沖中心位置的偏移甚至嚴(yán)重的孤子形狀劣化 - 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(shù)值模擬的結(jié)果表明:超高斯入射光脈沖在光纖中傳輸時(shí)脈沖波形、瞬時(shí)惆啾、以及峰值強(qiáng)度的演變規(guī)律與高斯入射脈沖不同,脈沖波形不再總保持單峰結(jié)構(gòu),通常將經(jīng)歷一個(gè)從近平頂、多峰、最后到單峰的演變過程;從脈沖的前沿到后沿,瞬時(shí)明啾也不再為線性,而是具有多個(gè)極值;峰值強(qiáng)度隨傳輸距離的變化趨勢也不再為一單調(diào)遞減,而是先增加后減小。 - 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
并且通過比較正、負(fù)三階色散分別與拉曼散射效應(yīng)的相互作用對飛秒脈沖傳輸特性的影響,發(fā)現(xiàn)脈沖拉曼散射與負(fù)的三階色散相互作用更有利于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(huán)形腔中的傳輸特性的兩種方法,進(jìn)而為“ 8 ”字形光纖激光器的優(yōu)化設(shè)計(jì)提供了理論指導(dǎo)。 - Chapter 3 : the source - dependent expansion ( sde ) method for analyzing the wave equation is introduced , which is an effective method for solving the paraxial wave equation with nonlinear source terms . two examples have been given to explain this method , which are the propagation of the ultrashort intense laser pulses propagation in the partially stripped plasma in which the collisions of plasma electrons are taken into account , and the propagation including the finite pulse length effect
第三章:本章介紹了求解有非線性源項(xiàng)的傍軸方程的有效方法-源展開方法,并給出了兩個(gè)具體的例子,即考慮等離子體電子間碰撞的隧道傳輸?shù)那蠼夂涂紤]激光脈沖的有限脈寬效應(yīng)的隧道傳輸求解。 - 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(dǎo)彈及有關(guān)慢衰減電磁波的研究是當(dāng)前電磁學(xué)的前沿課題之一,其應(yīng)用領(lǐng)域十分廣泛,如超寬頻帶雷達(dá)、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(jìn)行了詳盡分析。 - 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(chǔ)上,對不同的光脈沖在光纖中的傳輸進(jìn)行了數(shù)值模擬,發(fā)現(xiàn)前人得出的超高斯光脈沖在光纖中傳輸會由于色散而產(chǎn)生脈沖形狀扭曲這一結(jié)論是錯(cuò)誤的,并指出了錯(cuò)誤的原因所在。