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adiabatic approximation中文翻譯

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用"adiabatic approximation"造句"adiabatic approximation"怎麼讀
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  • 絕熱近似法
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  • In addition , we analyze the amplification absorption and quintic nonlinearity effects on the second solution in the adiabatic approximation
    進而運用微擾理論討論了當放大器、飽和效應及五次非線性效應存在時,在一個平面波調制下亮孤波的傳輸特性。
  • The equation including the nonlinear dispersion , i . e . the modified nonlinear schrodinger ( mnls ) equation , is a better model . in this thesis , we take mnls solitons as a model for femtosecond soltions . then based on the recently developed direct perturbation theory for perturbed mnls equation , we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters . for this purpose , first , we define the physical parameters of mnls solitons ; next , through the direct perturbation theory for perturbed mnls equation , under adiabatic approximation , we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last , we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation
    本論文以mnls孤子作為光纖飛秒孤子的模型,通過新近建立的mnls孤子直接微擾理論,研究光纖中由拉曼效應引起的飛秒孤子在傳輸中的自頻移,以及通過頻率濾波對自頻移的抑制。為此,首先給出描述mnls孤子的各物理量,然后用mnls孤子直接微擾理論,解析地得到這些問題絕熱近似下的孤子參數演化,并由此選擇頻率濾波的參數,最后用分步傅里葉方法,在對非線性項微商的算法做出了適合于mnls孤子的改善后,對拉曼效應及頻率濾波進行了直接數值模擬,其中頻率濾波參數用微擾理論確定。
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