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The comparison of the two kinds of pulse width shows that the FWHM pulse width is different from the RMS pulse width for the subcycle hyperbolic secant pulses,and the absolute phase affects the pulse width seriously.

研究结果表明，对于亚周期（半高全宽脉冲宽度小于一个光学振荡周期）双曲正割脉冲，均方根脉冲宽度与半高全宽脉冲宽度有较大的差异，并且绝对相位对均方根脉冲宽度的影响很大。

It introduces the process of getting ultra-short pulse using a gain switched quantum well DFB laster as signal pulse source,the method of obtaining OTDM signal and extracting short pulse through the technique of extracting light-pulse which apply to high-speed OTDM system.

介绍了采用掺铒光纤放大器获得超短脉冲；利用方程差微调法获得光时分复用信号和易于实现动态色散补偿的啁啾光纤光栅实现色散补偿，以及通过适于高速光时分复用系统的光时钟提取技术提取时钟脉冲等内容。

In this thesis, we propose two pulse generators whose pulse amplitude is adjustable. These pulse generators use the second-order transient circuit at over-damping mode to generate the adjustable monocycle pulse with good symmetry and low ringing in the simulation and measurement.

本论文提出两个脉波高度可调的脉波产生器，主要观念在於利用RLC二阶暂态来产生脉波，并利用过阻尼响应来降低脉波尾端的涟波，从模拟与量测中可验证此特性。

MethodsWith vire pulse (40 cases) and common pulse(35 cases),sphygmograph was used to test pulse graph parameters of taut pulse (38 cases).

方法采用脉象仪对紧脉（38例）和弦脉（40例）进行了脉图参数的检测，以35例平脉作为对照组比较。

Experimental results show that, compared with the normal pulse, the wiry pulse has an increased PWV(P＜0.01 or P＜0.05), the thready pulse has a decreased PWV(P＜0.05),but the PWV of the smooth pulse is not significantly different from the normal's (P＞0.05). PWV highly correlates with the artery blood pressure.

实验测定的结果表明，弦脉的脉搏波速度比同龄组平脉有显著性增大(P＜0.01或P＜0.05)，细脉的脉搏波速度比同龄组平脉有所减小(P＜0.05)，而滑脉与同龄组的平脉相比无显著性差异(P＞0.05)；脉搏波速度与动脉血压之间具有很大的相关性。

Haloperidol but not sulpiride enhanced the paired-pulse inhibition elicited by antidromic -orthodromic paired-pulse stimulation, and reduced the paired-pulse fa- cilitation evoked by orthodromic paired-pulse stimulation.

氟哌啶醇加强逆-顺向双脉冲刺激诱发的双脉冲抑制，减弱顺向双脉冲刺激诱发的双脉冲易化。

MethodsWith vire pulse (40 cases) and common pulse(35 cases),sphygmograph was used to test pulse graph parameters of taut pulse (38 cases).

目的 探讨紧脉和弦脉两种脉象脉图是否存在差异，寻找两种脉象的客观诊断指标。

First, by taking into account not only interband effects but also intraband effects, such as carrier heating , spectral hole burning , two-photon absorption and ultrafast nonlinear refraction and the interaction of control pulse and signal pulse in SOA, the relationship between the performance of TOAD (including flatness of switching window, chirp of output signal and extinction ratio of the demultiplexed signal) and the parameters of input pulse (including the wavelength and power of control and signal pulse) are studied.

首先，在考虑到由于带内效应，诸如载流子热效应、谱烧孔效应、超快非线性折射效应和双光子吸收效应而导致得非线性增益压缩效应以及控制光和信号光相互作用情况下，研究了TOAD的各性能参数，包括开关窗口的平坦性、输出信号的啁啾特性、解复用信号的消光比特性等与输入控制光和信号光的波长及功率的关系，在此基础上对TOAD性能进行了优化。

The results of study showed that there were many interference signals in discharge detection signal for the DC feeder cable, which determined by the special electric wiring of the cable. The results of laboratory simulation and field measurement showed that the main interferences involved discharge pulse generated by other equipments of the traction substation, white noise, rectifying pulse generated by the rectifying equipments, current pulse generated by the braking of the locomotive,stochastic pulse signal, and narrow-band signal generated by electric equipment.

研究结果表明直流馈出电缆的电气接线以及负荷特点决定了其放电监测中存在大量的干扰信号，干扰信号包括白噪声、交流侧放电脉冲、直流侧其它设备的放电脉冲、整流装置产生的整流脉冲、机车启动制动产生的电流脉冲、随机性干扰脉冲以及其它电子设备产生的周期性窄带信号。

The reason why secondary power model damage and high frequency relay disoperation usually has been explained, and the suggestions of protection and research are put forward. Systemic experimental study of waveform shape and frequency spectrum distribution of pulse electric field and pulse magnetic field is conducted with manufactured measuring systems. Waveform shape and frequency spectrum of pulse electric field and pulse magnetic field at different place including different impulse voltage and different gap are studied.

使用研制的测量系统对冲击电压放电产生的脉冲电场和脉冲磁场进行了系统的实验观测，得到了较为全面的不同电压、不同放电间隙和不同观测位置的脉冲电场和脉冲磁场的波形和频谱特征，研究了脉冲电场和脉冲磁场与冲击电压、间隙大小和高度的关系，研究了冲击电压放电产生的脉冲电场、脉冲磁场的分布特点等。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。