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调制不稳定
相关语句
  modulation instability
     The Modulation Instability of Nonlinear Rossby Waves in the WeaklyDissipative Atmosphere
     弱耗散作用下非线性Rossby波的调制不稳定
短句来源
     A new region where modulation instability occurs is found due to the fourth order dispersion.
     从理论上给出了一个新的由光纤四阶色散导致的调制不稳定区域,新区域的最大调制增长率和调制范围与光脉冲的初始入射功率和四阶色散有关。
短句来源
     Small Signal Analysis of Modulation Instability for Kerr Medium
     小信号分析克尔介质的调制不稳定问题
短句来源
     Modulation instability gain spectrum of cross-phase modulation in decreasing dispersion fiber
     色散缓变光纤中交叉相位调制不稳定增益谱
短句来源
     The results indicate that,in case of quintic nonlinearity,the longitudinal decreasing of dispersion is still benefit to broaden the gain spectra of modulation instability.
     结果表明,在五阶非线性下,色散的纵向渐减仍有利于展宽调制不稳定增益谱;
短句来源
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  “调制不稳定”译为未确定词的双语例句
     The deviation will accumulate with fiber length.
     随着EDFA长度的增加,调制不稳定增益谱变得宽而平。
短句来源
     For the case of weak horizontal shear, the three order Zakharov equation is applied to investigate the first class instabilities of Rossby wave trains, and the results show that Rossby wave trains may produce modulational instability due to nonlinear effect .
     结果表明:通过非线性作用,大气中的Rossby波列可产生调制不稳定
短句来源
     Furthermore , the instability region , growth rate and periods of Rossby wave trains are caculated,and the effects of waveamplitude, wavenumbers, latitude and basic flow shear are dicussed. It is found that the modulational instability of Rossby wave trains can excite 30-60 day low frequency oscillation.
     同时,本文对这种不稳定的区域,增长率和周期进行了详细的计算,并讨论了波振幅、波数、纬度和基流切变对它们的影响,指出Rossby波列的调制不稳定可以激发30~60天的低频振荡。
短句来源
     It is shown that the self steeping exists a threshold in affecting the appearance of the new region,Raman nonlinear retarded effect has a greater influence on growth rate,and spectral extents of the two unstable regions can make the two regions merge into one region which has a wider spectral extent.
     光纤自陡峭效应和Raman延迟效应对调制不稳定区域的最大调制增长率和调制范围都有影响,自陡峭效应对新区域的影响较大且存在一个决定新区域出现与否的阈值。 Raman延迟效应对调制不稳定性的影响比自陡峭效应显著,尤其当Raman延迟效应较强时,它使两个区域合并成一个具有更大调制范围的调制不稳定区域。
短句来源
     By solving numerically the transmission equations in fibers,we testify the existence of cross\|phase\|modulation\|induced modulational instability (MI) in the absence of group\|velocity mismatch between the interacting waves of two modes.
     通过对双模光纤的传输方程进行数值求解 ,从理论上验证了在不考虑群速度失配的情况下 ,在光纤两个模式上相互作用的非线性色散光波之间 ,存在着由相交相位调制 (CPM)所引起的调制不稳定 (MI) .
短句来源
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  相似匹配句对
     Small Signal Analysis of Modulation Instability for Kerr Medium
     小信号分析克尔介质的调制不稳定问题
短句来源
     The Modulation Instability of Nonlinear Rossby Waves in the WeaklyDissipative Atmosphere
     弱耗散作用下非线性Rossby波的调制不稳定
短句来源
     the ways of modulation and demodulation;
     调制和解调的方式;
短句来源
     (2) The part for modulation signal;
     (2)调制信号源;
短句来源
     (3)unsteady flow.
     3.流动不稳定
短句来源
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  modulation instability
The existence of traveling solitary waves, the products of modulation instability in a cold quasi-neutral plasma, is considered.
      
The modulation instability appearing when plane waves propagate in photorefractive crystals is analyzed, and the characteristic spatial scales of the light field distribution formed as a result of self-interaction (fanning) are determined.
      
This paper explains the modulation instability of two surface magnetostatic spin waves simultaneously propagating in a ferromagnetic film.
      
This results in the efficient generation of a wake wave at the ionization front, which is amplified during the development of self-modulation instability.
      
The modulation instability of a rf electric field, perpendicular to a constant magnetic field, in the frequency range between the lower-hybrid and ionic Langmuir frequencies, has been investigated.
      
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In this paper, the perturbation method is used to derive three order Zakharov equation satisfied by nonlinear Rossby waves with horizontal shear basic flow. For the case of weak horizontal shear, the three order Zakharov equation is applied to investigate the first class instabilities of Rossby wave trains, and the results show that Rossby wave trains may produce modulational instability due to nonlinear effect . Furthermore , the instability region , growth rate and periods of Rossby wave trains are caculated,and...

In this paper, the perturbation method is used to derive three order Zakharov equation satisfied by nonlinear Rossby waves with horizontal shear basic flow. For the case of weak horizontal shear, the three order Zakharov equation is applied to investigate the first class instabilities of Rossby wave trains, and the results show that Rossby wave trains may produce modulational instability due to nonlinear effect . Furthermore , the instability region , growth rate and periods of Rossby wave trains are caculated,and the effects of waveamplitude, wavenumbers, latitude and basic flow shear are dicussed. It is found that the modulational instability of Rossby wave trains can excite 30-60 day low frequency oscillation.

本文在基本气流具有水平切变的情况下,利用摄动法导出了非线性Rossby波所满足的三阶Zakharov方程,然后,考虑了基流具有弱切变的情况,通过使用三阶Zakharov方程研究了Rossby波列的第一类不稳定性问题。结果表明:通过非线性作用,大气中的Rossby波列可产生调制不稳定。同时,本文对这种不稳定的区域,增长率和周期进行了详细的计算,并讨论了波振幅、波数、纬度和基流切变对它们的影响,指出Rossby波列的调制不稳定可以激发30~60天的低频振荡。

Modulational instability of femtosecond optical pulses in fibers near zero-dispersion point is investigated using an extended Schrodinger equation and a new region where modulation instability occurs is found due to the fourth-order dispersion. It is shown that there exists a threshold for self-steeping in af fecting the appearance of the new region,Raman nonlinear retarded effect has a greater influence on growth rate and spectral extents of the two unstable regions and can make the two regions merge into one...

Modulational instability of femtosecond optical pulses in fibers near zero-dispersion point is investigated using an extended Schrodinger equation and a new region where modulation instability occurs is found due to the fourth-order dispersion. It is shown that there exists a threshold for self-steeping in af fecting the appearance of the new region,Raman nonlinear retarded effect has a greater influence on growth rate and spectral extents of the two unstable regions and can make the two regions merge into one region which has a wider spectral extent.

利用修正的非线性Schrodinger方程研究了单模光纤中零色散波长附近飞秒光脉冲的调制不稳定性,发现了一个新的由光纤四阶色散导致的调制不稳定区域,新区域的最大调制增长率和调制范围与光脉冲的初始入射功率和四阶色散有关.光纤自陡峭效应和Raman延迟效应对两个调制不稳定区域的最大调制增长率和调制范围都有影响,自陡峭效应对新区域的影响较大且存在一个决定新区域出现与否的阈值;Raman延迟效应对调制不稳定性的影响比自陡峭效应显著,尤其当Raman延迟效应较强对,它使两个区域合并成一个具有更大调制范围的调制不稳定区域。

Modulational instability of femtosecond optical pulses in fibers near zero dispersion point is investigated using an extended Schrodinger equation.A new region where modulation instability occurs is found due to the fourth order dispersion.It is shown that the self steeping exists a threshold in affecting the appearance of the new region,Raman nonlinear retarded effect has a greater influence on growth rate,and spectral extents of the two unstable regions can make the two regions merge into one region which...

Modulational instability of femtosecond optical pulses in fibers near zero dispersion point is investigated using an extended Schrodinger equation.A new region where modulation instability occurs is found due to the fourth order dispersion.It is shown that the self steeping exists a threshold in affecting the appearance of the new region,Raman nonlinear retarded effect has a greater influence on growth rate,and spectral extents of the two unstable regions can make the two regions merge into one region which has a wider spectral extent.

利用修正的非线性Schrodinger方程研究了单模光纤中在最小群速度色散波长附近的调制不稳定性。从理论上给出了一个新的由光纤四阶色散导致的调制不稳定区域,新区域的最大调制增长率和调制范围与光脉冲的初始入射功率和四阶色散有关。光纤自陡峭效应和Raman延迟效应对调制不稳定区域的最大调制增长率和调制范围都有影响,自陡峭效应对新区域的影响较大且存在一个决定新区域出现与否的阈值。Raman延迟效应对调制不稳定性的影响比自陡峭效应显著,尤其当Raman延迟效应较强时,它使两个区域合并成一个具有更大调制范围的调制不稳定区域。

 
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