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self phasing中文什么意思
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- Self phase modulation
自相位調(diào)制 - 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(duì)光纖中自相位調(diào)制效應(yīng)sc譜展寬的影響，分析了產(chǎn)生sc譜的物理機(jī)制。 - 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(xù)supercontinuum ( sc )譜的產(chǎn)生源于光纖中各種非線性效應(yīng)(自相位調(diào)制效應(yīng)、交叉相位調(diào)制效應(yīng)，四波混頻效應(yīng)及受激raman散射等)和群速度色散的共同作用。 - At last , the evolution of gaussian pulse ’ s shape and spectrum in single - mode fiber with the existing of both the self phase modulation and the second - order dispersion is researched on the setting of coherent light array . on the basis of that , some conditions which should be met by the single - mode fiber used in the coherent light array system are given out
本文最后結(jié)合脈沖光相干合成的應(yīng)用背景,對(duì)自相位調(diào)制和二階色散共同作用下的高斯脈沖的演變過程進(jìn)行了分析,并從相干并束所需要的脈沖波形和頻譜的一致性出發(fā),對(duì)相干并束系統(tǒng)中應(yīng)用的單模光纖提出了要求。 - 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(duì)不同光纖長度和不同輸入脈沖脈寬的計(jì)算,得到了g - s算法的收斂性與輸入波形和輸出波形之間的關(guān)系;在此基礎(chǔ)上,通過對(duì)光纖損耗、自相位調(diào)制的模擬,分析了損耗和自相位調(diào)制對(duì)光纖傳遞函數(shù)測(cè)量的影響;本文還分析了波形測(cè)量中的拖尾現(xiàn)象和多項(xiàng)式擬合對(duì)測(cè)量的影響,進(jìn)而,對(duì)利用g - s算法進(jìn)行單模光纖傳遞函數(shù)測(cè)量的可行性進(jìn)行了闡述。