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负啁啾
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  negative chirp
     It is found that reducing the amplifiers peak power (10~12 dB·m) and introducing proper negative chirp(-1) into the launched pulses can remarkably extend the operating distance of the PMD compensation system.
     发现降低放大器输出峰值功率(10~12dB·m)和引入适当的初始负啁啾(-1)可以显著增大PMD补偿系统作用距离。
短句来源
     And the adjustable or negative chirp parameter can decrease bit error rate of transmission system through reducing dispersion penalty.
     另一方面,可以充分利用负啁啾或可调的啁啾来改善系统的色散特性,降低系统的比特误码率。
短句来源
     It shows that negative chirp can improve the dispersion characteristics of system.
     分析结果表明 ,利用负啁啾可以改善系统的色散特性。
短句来源
     This scheme can be used to compress and amplify the pico-second pulses with negative chirp.
     此方案对具有负啁啾的皮秒脉冲均具有较好的压缩和放大效果。
短句来源
     Nowadays, the optical pulse used in the OTDM system is often generated by the gain-switched distributed-feedback (GS-DFB) semiconductor laser, which has a large pulse width and negative chirp. Therefore, to satisfy the demand of the OTDM system, the technique of optical pulse compression must be applied.
     目前常采用GS-DFB半导体激光器作为OTDM系统的光脉冲源,这种脉冲源产生的光脉冲一般较宽,并带有一定的负啁啾,因而必须采用光脉冲压缩技术才能满足高速OTDM系统的要求。
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  “负啁啾”译为未确定词的双语例句
     The pulse is self-compressed, instead of broadening, accompanied with the spectrum narrowing in the experiment.
     实验发现,负啁啾脉冲经过材料后激光光谱在被整形和压缩的同时,脉冲宽度也被压缩.
短句来源
     Properties of the propagation of negatively chirped femtosecond pulses in normally dispersive media
     负啁啾高强度飞秒脉冲在正常色散材料中传输特性研究
短句来源
     The intensity and duration of the attosecond pulses are respectively analyzed. The results show that, instead of producing single attosecond pulse as the unchirped pulse, both the positively and negatively chirped laser pulses will produce attosecond pulse trains.
     分析了不同脉冲啁啾特性对阿秒脉冲的强度和宽度的影响 研究结果表明,无论是正啁啾还是负啁啾,随着啁啾量的增加,都将使激光脉冲由产生单个阿秒脉冲趋向于产生阿秒脉冲链 正啁啾和负啁啾对于阿秒脉冲宽度的影响是不同的,负啁啾对于阿秒脉冲宽度影响很小,适当的负啁啾有利于缩小阿秒脉冲的宽度;
短句来源
     The spreading sequence in the OCDMA system is composed of positive or negative linearly chirped optical pulses, and the traditional bipolar codesets, such as Walsh codes, can be used as signature codes. The multiple access interference (MAI) and the performance of (error) in the system was theoretically investigated.
     该系统采用线性啁啾布拉格光纤光栅和光纤延迟线将数据比特扩频成由正或负啁啾光脉冲组成的扩频序列,并对多用户干扰和误码率进行了深入分析,探讨了系统误码率与地址码码长和光纤光栅的脉冲展宽因子的关系.
短句来源
     The nonlinear propegation of picosecond chirped pulses in the normal dispersionregime of single-mode fibers is considered both analytically and numerically.
     对单模光纤正群速色散区皮秒啁啾脉冲的非线性传输进行了近似的解析分析和定量的数值计算.结果表明,负啁啾脉冲在传输过程中能得到有效压缩。
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  相似匹配句对
     Be Responsible
     责任
短句来源
     Negative bubbles
     气泡
短句来源
     It shows that negative chirp can improve the dispersion characteristics of system.
     分析结果表明 ,利用啁啾可以改善系统的色散特性。
短句来源
     and the negative initial chirps improve the transmission characteristics of the soliton by precompensation.
     啁啾可以提高前补偿系统中孤子的传输性能。
短句来源
     Chirped pulse amplification
     啁啾脉冲放大技术
短句来源
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  negative chirp
Consequently, we have succeeded in compressing the chirped pulses to 13?fs by compensating the intrinsic negative chirp.
      
Chirp effects of the fundamental laser on the pulse width of the fifth harmonic were consistent with the negative chirp of the fifth harmonic.
      
When the pulse energy is lowered to about 400?μJ the yield maximum at negative chirp vanishes and only the maximum at positive chirp remains.
      
We also detect chirp modulation with a negative chirp rate corresponding to powerful dissipation of electric current in the CML during a solar flare.
      
As the signals propagate in the HNL-PDF, the positive dispersion serves to compensate the negative chirp.
      
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The nonlinear propegation of picosecond chirped pulses in the normal dispersionregime of single-mode fibers is considered both analytically and numerically. The resultsshow that downchirped pulses can be compressed owing to normal group-velocitydispersion. The compression depends both on the initial peak power and on the initialfrequency chirp of the input pulses. We also show that self-phase-modulation degradespulse compression and that, as the pulse compresses temporally, it synchronouslyexperiences a spectral...

The nonlinear propegation of picosecond chirped pulses in the normal dispersionregime of single-mode fibers is considered both analytically and numerically. The resultsshow that downchirped pulses can be compressed owing to normal group-velocitydispersion. The compression depends both on the initial peak power and on the initialfrequency chirp of the input pulses. We also show that self-phase-modulation degradespulse compression and that, as the pulse compresses temporally, it synchronouslyexperiences a spectral narrowing,

对单模光纤正群速色散区皮秒啁啾脉冲的非线性传输进行了近似的解析分析和定量的数值计算.结果表明,负啁啾脉冲在传输过程中能得到有效压缩。压缩比与脉冲初始峰值功率和初始啁啾程度有关。初始峰值功率一定的脉冲,其压缩比随初始啁啾程度的增大而增大,初始啁啾程度一定的脉冲,压缩比随初始峰值功率的增大而减小,表明自相位调制效应导致脉冲压缩效果变差.计算结果还表明,在脉冲时域宽度得到压缩的同时,光谱宽度也能得到同步压缩.

Gbit/s,23 km optical soliton transmission was achieved using normal dispersion fiber elimination chirp.The fundamental and high order optical Soliton were observed.A new phenomena was found.The spectral feature of the positive chirp pulse transmission along normal dispersion fiber was changed.

利用正常色散光纤消啁啾成功地进行了1Gbit/s,23km的光孤子传输,观察到了一阶和高阶孤子传输现象。在对光脉冲消啁啾过程中发现了一个新的现象:适当长度的正常色散光纤消啁啾不仅能够压窄负啁啾的脉宽,而且能够压窄频谱

The spectral feature of chirp pulse in normal dispersion fiber was experimentally researched,the experimental results were numerically calculated,the experimental results were agreed with the numerical calculation results. the following results were obtained by the experimental and calculation method:the pulse width in the frequency domain would be changed when the input mean optical power was big enough;the bigger the input mean power was,the larger the pulse width in the frequency domain would be changed.

负啁啾脉冲在正常色散光纤中的频域特性进行了实验研究,并对实验结果进行了数值分析,实验和数值分析结果基本一致.

 
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