Selection of laser pulse shape pulse duration flux density are discussed in pulsed laser microwelding and the experimental results are given.
讨论了脉冲激光微型焊接中，对于激光的脉冲形状、光脉冲宽度、光通量密度等的选择，并给出了实验结果。
The influence of the principal parameters of optical chirp reversal devices on ability to restore signal wave form and pulse duration has been analysed and simulated.
分析和数值模拟了用瞬态简并四波混频实现光学啁啾反转的器件的主要参数对恢复信号波形和脉冲宽度能力的影响。
The effect of pulse duration and laser beam dimension on the pressure signal is discussed.
讨论了激光脉冲持续时间，激光束宽度对压力信号的影响。
The characteristic frequency of body-wave spectra carries the information of the duration of source body-wave pulse.
体波波谱特征频率携带着震源体波脉冲持续时间的信息。
Requirements on the shape, duration, distribution in pulse shape and spectral compositions of ultrashort laser pulses in the development of picosecond image tube cameras are briefly described.
概述了研制微微秒变象管相机对超短激光脉冲的形状、持续时间、脉冲形状内的能量分布、光谱成份等的要求。
Output rise and fall times are TTL compatible and independent of pulse duration.
输出上升和下降时间ttl兼容和脉冲持续时间无关。
The damping can obviously decrease the peaks of displacement and acceleration of nonlinearcushioning system, but has on effect on the pulse duration.
阻尼使非线性包装系统位移峰值和加速度峰值明显降低，但对脉冲持续时间几乎无影响。
The peak current and pulse duration of single pulse determine the size and depth of discharge crater, so they determine the machining surface roughness and size and shape accuracy.
放电单脉冲的电流峰值和脉宽决定了单个电火花蚀坑的大小和深度，从而直接决定了工件的加工表面粗糙度、形状精度和尺寸精度。
The value which was calculated using this approximation formula of pulse duration was close to that of solving the rate equations by computer.
使用脉宽表示式计算的结果与计算机数值计算相符。
Effects of pulsed laser parameters such as laser wavelength, beam spot size, pulse energy and pulse duration on threshold energy in laser simulating Single Event Effect testing are analyzed.
分析了在激光模拟单粒子效应试验中激光波长、束斑大小、脉冲能量、脉冲宽度等脉冲激光参数对阈值能量的影响。
Influence of pulse duration on deflecting electric field PIII was investigated in this paper.
研究了采用偏转电场法注入时注入电压脉冲宽度对注入效果的影响。
The damage morphology, and threshold fluence as a function of pulse duration and the dependence of ablation depths on the pulse fluences are measured.
利用原子力显微镜和扫描电镜观察了材料的烧蚀形貌，测量了破坏阈值与脉冲宽度、烧蚀深度与脉冲能量的依赖关系。
The effect of pulse frequency and pulse duration ratio on the abrasion resistance of gold coatings is investigated with pulse plating in cyanide free and trace cyanide baths.
研究了脉冲电镀在微氰镀金，无氰镀金体系中脉冲频率、脉冲占空比对镀金层耐磨性的影响。
This paper described a small type drop-test shock machine with long duration of shock pulse. Thispaper analyzed its construction characters, operation principle and wave forms of shock test.
介绍一种长脉冲持续时间的小型跌落冲击台，并对其结构特点、工作原理、冲击试验的波形进行阐述与分析。
The duration of the quenching pulse should exceed the recovery time of the counter.
脉冲的持续时间应当超过计数器的恢复时间。
The influence of the main working parameters, such as electrode material, polarity, work fluid, pulse duration, peak current, is analyzed by experiments to obtain the microelectrode fabrication law.
运用试验研究详尽分析了各主要加工参数，如电极材料、加工极性、工作液介质、放电持续时间和峰值电流等对微细电极的成形影响，得出了微细电极瞬时成形的基本规律。
The relation between intensity and duration of output pulse and wavelengths can be obtained by solving this equation.
解此方程能够获得输出脉冲强度、宽度和波长的关系。
The results show that the movement of positive ions is much weaker than that of electrons even discharged under big pulse duration.
结果表明在放电通道中主要是电子在运动，即使在大脉宽条件下放电正离子的运动也远弱于电子的运动。
The solution of the nonlinear wave equation describing propagation of a femtosecond laser pulse with duration of several optical oscillation periods in a nonlinear fiber is presented.
给出了描述具有几个光振荡周期的飞秒激光脉冲在非线性光纤中传输方程的解。
By assuming a Gaussian temporal shape of laser pulse, some numerical results of the threshold dependence on pulse duration are presented.
通过假设激光脉冲为高斯型，数值计算得到了激光脉冲宽度与激光辐射损伤间的依赖关系。
When the head disk collision occurs, the peak acceleration of the shock pulse approximately follows a linear relationship with the inverse of the excitation duration.
当头盘系统发生碰撞时，冲击激励峰值加速度与作用时间的倒数之间具有近似线性关系。
The key of Ultra-wideband(UWB) technology lies in how to generate the fast rise-time and short-duration pulse.
超宽带（UW B）技术实现的关键之一是如何设计并产生可以控制的UW B极窄脉冲。
And a theoretical model is established to expound the variation of pulse duration and the modulation on the pulse envelope similar to the diffraction characteristics in spatial domain.
通过与光束的空间传输特性类比解析了光栏宽度变化引起的脉宽变化以及脉冲轮廓出现时间衍射调制现象；
Pulse: a regular, significant abrupt change of short duration in the level of an electric voltage or current.
脉动：电压或电流作有规则的，短暂的和明显的突然变动。
A fibre-optoelectrical sensor is used for detecting realtime depth of weldpool during welding process and pulse current duration is adjusted dependent on the detect depth of weldpool.
该控制系统采用光纤光电传感器检测焊接过程中焊缝的实时熔池深度，并据此调节脉冲焊接电流宽度。
A new method for ultrafast imaging in a single shot is reported. The time resolution of the image depends on the duration of laser pulse.
本文报道了一种单次超快成像的新方法，该方法的时间分辨率仅由投影光的脉宽决定。
The transversal intensity distribution remains nearly unchanged with increasing chirp parameter for relatively large values of the pulse duration.
脉冲宽度较大时，啁啾参数增大对横向光强的影响减小。
The characteristics of the dye laser, such as bandwidth, output power, efficiency, pulse duration, tuning range, spectral purity and frequency stability etc, are measured in details.
详细测量了染料激光的性能，如线宽、功率、效率、脉宽、调谐范围、光谱纯度和光束质量等。
The characteristics of the dye laser, such as bandwidth, output power, efficiency, pulse duration, tuning range, spectral purity and frequency stability etc, are measured in details.
详细测量了染料激光的性能，如线宽、功率、效率、脉宽、调谐范围、光谱纯度和光束质量等。
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