Spectrum analysis can effectively explain the stress pulse dispersion phenomenon in SHPB experiment from aspect of theory.
频谱分析的方法能从理论方面有效地解释应力脉冲信号在SHPB实验中的弥散现象。
The effect on pulse compression in dispersion managed fibers is studied.
本文研究了色散管理光纤中超短光脉冲的压缩效应。
Chirped fiber grating can be used in compensating fiber dispersion and compressing pulse.
啁啾光纤光栅可用于光纤色散补偿及脉冲压缩。
The conclusion shows that the pulse width decreases nearly linearly while the absolute value of group delay dispersion decreases, and it is consistent with the result of experiments qualitatively.
计算结果表明，随着群时延色散绝对值的降低，输出脉宽近线性减小，此数值结论与已有实验结果定性一致。
An analytical solution is obtained for soliton pulse propagation in nonlinear media with gain saturation and gain dispersion in this paper.
本文获得了增益色散和增益饱和非线性介质中的光孤子脉冲的解析解。
An optical pulse compressor using a normal dispersion fiber combined with a linearly chirped fiber grating (instead of a block grating pair) is proposed.
本文提出了利用正常色散光纤加线性啁啾光纤光栅组成全光纤光脉冲压缩器方案。
The factors which result in pulse stretch in free-space optical communication are analyzed, including atmospheric dispersion, atmospheric turbulence influence and optical system influence.
针对自由空间光通信系统，分析了大气色散、大气湍流以及光学系统对光脉冲信号展宽的影响。
The experiments show that the material insulation and dispersion in sub- nanosecond pulse should be investigated deeply.
实验表明：材料的亚纳秒脉冲绝缘和色散特性尚需进一步研究。
Randomly varying birefringence in optical fiber can lead to pulse broadening, corresponding to polarization-mode dispersion (PMD) effect.
光纤的随机双折射效应可导致脉冲无规展宽即偏振模色散(PMD)。
The effects of phase bias and group velocity dispersion on mode locking mechanism are analyzed. The operating conditions for stable short pulse generation are obtained.
分析了相位偏置和光纤的色散对锁模机制的影响，获得了产生稳定超短光脉冲的条件。
In addition, its pulse chemisorption function can provide valuable information about surface acidity, surface metal dispersion and the interaction between metal and support.
利用化学吸附仪中的脉冲吸附技术还可对催化剂的酸性、表面金属分散度、金属与载体的相互作用等进行研究。
In the third chapter, the reason of pulse broadened and the importance of dispersion compensation are pointed out, and the dispersion of linearly chirped fiber grating is appraised.
第三章指出了引起脉冲展宽的原因以及色散补偿的重要性，并对线性啁啾光纤光栅的色散进行了估算。
Based on the paired-echo theory, the effect of waveguide dispersion on performance of the wideband signal pulse compression was analyzed and the corresponding expression derived.
基于成对回波理论，针对波导色散对宽带信号脉压的影响进行了理论分析，推导出了具体的数学表达式。
The analytic expression is derived by taking into account the third-order dispersion as an initial chirped Gaussian optical pulse propagates along the single-mode.
在考虑光纤色散三阶项时，推导出具有初始啁啾的高斯光脉冲沿单模光纤传输时的表达式。
Pulse broadening due to fiber dispersion is analyzed. The principle of dispersion compensation using chirped fiber Bragg gratings is introduced.
分析了由于光纤的色散引起的脉冲展宽，并介绍了啁啾布拉格光纤光栅进行色散补偿的基本原理。
The pulse spectrum broadening and dispersion compensation compression phenomenon when focusing the laser pulse into bulk media are experimentally investigated.
实验研究了超强超短飞秒激光脉冲在经过块状介质后的光谱展宽和色散补偿压缩现象。
The results showed that the effect of group velocity dispersion(GVD) on the pulse with large chip was slight and the effect of spectral width on the self-focusing properties could be ignored.
研究结果表明，群速度色散（GVD）对大啁啾脉冲的影响很小，谱宽对自聚集的影响可以忽略。
The article discusses the differences in physical mechanism of mode locking by laser pulse injection between the dispersion region at positive group velocity and that at negative group velocity.
本文阐述工作于正、负群速色散区中的光脉冲注入锁模的物理机制的区别。
Nonlinear pulse evolution transmitted in fiber was stimulated through computer. We find that nonlinearity can compress pulse and reduce polarization mode dispersion (PMD).
数值模拟了非线性功率脉冲在光纤中的脉冲演化过程，发现利用非线性可以压缩每一脉冲的偏振分量和减小偏振模色散(PMD)。
The effects of group-velocity mismatch and dispersion, third-order nonlinear phase modulation on pulse shape, spectrum distribution and conversion efficiency of second-harmonic pulse were discussed.
详细讨论了群速度失配、群速度色散和三阶非线性相位调制效应对倍频光脉冲波形、光谱及转换效率的影响。
Based on the nonlinear Schr? Dinger coupling equation, the impact of higher order dispersion in the photonic crystal fibers on the pulse trapping is studied by numerical simulation.
基于耦合非线性薛定谔方程，通过数值模拟，研究了光子晶体光纤中高阶色散对脉冲俘获的影响。
Furthermore, the synchronous amplification and tuning of the dye laser pulse have been achieved with a dye amplifier-dispersion system, and reached almost Fourier-transform limit.
在实验上又通过一个放大-色散系统实现对此染料激光脉冲的同步放大和调谐，并达到傅里叶变换极限。
The results show that the third-order dispersion generates distortion to the optical pulse shape with an unsymmetrical structure at the front or back edge.
结果表明，三阶色散会引起光脉冲形状发生畸变，会在其前沿或后沿附近形成非对称的振荡结构。
This dispersion spreads the pulse out over time.
这种分散延伸的脉冲随着这世界的推移。
Pulses propagate in HNLFs with different dispersion curve have been investigated in the experiment to analyze how can the parameters of optical pulse and fiber affect the results of quantization.
实验中分别研究了脉冲在具有不同色散特性的高非线性光纤中的传输情况，分析了光脉冲特征及光纤参数对量化精度的影响。
Based on the nonlinear Schrodinger coupling equation, the impact of higher order dispersion in the photonic crystal fibers on the pulse trapping is studied by numerical simulation.
基于耦合非线性薛定谔方程，通过数值模拟，研究了光子晶体光纤中高阶色散对脉冲俘获的影响。
The compression principle and the effect of pulse compression are analyzed in detail in two types of dispersion-managed fibers(zero total dispersion and nonzero total dispersion) .
针对两种不同的色散管理光纤，讨论了色散管理光纤中脉冲压缩机理和压缩效果。
Study the detailed physical process of the group-velocity dispersion-induced pulse broadening, this must be taken as prepare the ground for the founding of optical soliton in nonlinear fiber.
研究了线性光纤中色散导致光脉冲展宽的详细物理过程，以此为光纤中光孤子产生的物理过程作物理上的准备。
When the third order dispersion effect exists, the more time delay difference is produced and the dispersion waves are produced at both the front and back edge of the pulse.
当只有三阶色散时，除了产生较大时延差外，还会在两个偏振脉冲的前后沿产生较大的色散波。
The results show that linear high-order dispersion affects the position and the phase, doesn"t affects the amplitude , the width and the chirp of the bright-soliton-like pulse."
结果表明：线性高阶色散对类明孤子脉冲的位置和相位有影响，而对振幅、宽度和啁啾没有影响；
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