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脉冲强度    
相关语句
  pulse intensity
    Determination of Pulse Intensity Reflected by Satellite with Its Point Spread Function
    用点扩展函数确定卫星反射后的脉冲强度
短句来源
    A simple method for measuring the time and space distribution of the light pulse intensity is reported.
    本文报道了一种简单的测量光脉冲强度的时空分布方法。
短句来源
    The characteristics of time-dependent spectra of photoeleotron and the effect of pulse intensity on the spe, tra are discussed.
    并对光电子的时间相关谱的特性以及脉冲强度对该谱的影响进行了讨论.
短句来源
    Satellite form effect is a redistributing phenomenon of pulse intensity caused by different reflecting times of the reflector situated on different positions of satellite for photon.
    卫星形状效应是由于卫星上不同位置的反射器对光子反射的时间不同而引起的脉冲强度重新分布的现象。
短句来源
    Description of satellite form effect with point spread function of satellite can calculate satellite reflected pulse intensity distribution in a simplified method.
    用卫星的点扩展函数描述卫星形状效应 ,能非常简便地计算出被卫星反射后的脉冲强度分布。
短句来源
  pulse strength
    Combining the method of parameter pulse perturbation with the adaptive control policy, the adaptive controller that can produce appropriate pulse strength to realize chaos control is designed.
    在参量脉冲微扰中引入自适应控制策略,设计出可以产生合适的脉冲强度的自适应控制器来实现混沌控制.
短句来源
    The analysis of spectral spin diffusion of half-integer quadrupolar spins is emphasized, highlighting the influence of pulse strength, width as well as sample spinning speed.
    最近藉助多量子魔角旋转(MQMAS)方法实现半整数四极核的多量子谱自旋扩散实验,可以测量固体粉末中半整数四极核体系四极张量相对方向,结合作者最近的计算机模拟和实验测量结果对这一新兴方向作了重点介绍,尤其指出了射频脉冲强度、宽度及样品旋转速度对交叉峰线型的影响。
短句来源
  pulse intensity
    Determination of Pulse Intensity Reflected by Satellite with Its Point Spread Function
    用点扩展函数确定卫星反射后的脉冲强度
短句来源
    A simple method for measuring the time and space distribution of the light pulse intensity is reported.
    本文报道了一种简单的测量光脉冲强度的时空分布方法。
短句来源
    The characteristics of time-dependent spectra of photoeleotron and the effect of pulse intensity on the spe, tra are discussed.
    并对光电子的时间相关谱的特性以及脉冲强度对该谱的影响进行了讨论.
短句来源
    Satellite form effect is a redistributing phenomenon of pulse intensity caused by different reflecting times of the reflector situated on different positions of satellite for photon.
    卫星形状效应是由于卫星上不同位置的反射器对光子反射的时间不同而引起的脉冲强度重新分布的现象。
短句来源
    Description of satellite form effect with point spread function of satellite can calculate satellite reflected pulse intensity distribution in a simplified method.
    用卫星的点扩展函数描述卫星形状效应 ,能非常简便地计算出被卫星反射后的脉冲强度分布。
短句来源
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  pulse intensity
The laser pulse intensity will be attenuated and the diffusive scattering pulse shape will be widened in the turbid media.
      
At the same time, homogeneous broadening increases the delay time and attenuates the superradiance pulse intensity.
      
It proves to be about 10 keV at the laser-pulse intensity of 5×1018 W/cm2 at the peak.
      
Abrupt red and blue shifts of the spectral position of the exciton absorption band as a function of the pump pulse intensity are predicted.
      
The plasma temperature increases with the laser pulse intensity.
      
更多          
  pulse strength
In experiments in which the cells were exposed to drug pulses of varying concentration (0.35 μM to 10 μM) and duration (0.5 h to 8 h), the phase shift produced was linear with the log of the product of pulse strength and duration.
      
Pumping by the long pulse is studied in more detail and it is found that there exists an optimum pulse strength beyond which the inversion in the laser mixture no longer grows appreciably, only its lifetime is shortened.
      
A novel electroporator is presented that generates adjustable square wave pulses with a maximal pulse strength of 2500 V / 100 A and a pulse length between 0.1 and 15 ms and that efficiently transfects prokaryotic and eukaryotic cells.
      
The FIDs were nonexponential and dependent on the rf pulse strength βp≡γH1tw, where γ is the gyromagnetic ratio,H1 is the rf field strength, andtw is the pulse width.
      
The increase in spalling strength with an increase in pulse strength was confirmed.
      
更多          
  pulse intensity
The laser pulse intensity will be attenuated and the diffusive scattering pulse shape will be widened in the turbid media.
      
At the same time, homogeneous broadening increases the delay time and attenuates the superradiance pulse intensity.
      
It proves to be about 10 keV at the laser-pulse intensity of 5×1018 W/cm2 at the peak.
      
Abrupt red and blue shifts of the spectral position of the exciton absorption band as a function of the pump pulse intensity are predicted.
      
The plasma temperature increases with the laser pulse intensity.
      
更多          
  intensity of pulse
Investigated and reference samples are exposed to the same actinic intensity of pulse-modulated measuring light.
      
Intensity of pulse decays due to the interaction with the sample.
      
  其他


Two-photon lasers and laser amplifiers are studied by using the rate equations. The steady solution is obtained and its stability is analysed. The time evolution of large deviation from the steady solution is studied by using computer simulation. The population inversion and the trigger input must exceed certain thresholds to operate a two-photon laser. The method for producing giant-pulse is discussed. The possibility of building a pratical two-photon laser is analysed basing on the known data. A Doppler-i'ree...

Two-photon lasers and laser amplifiers are studied by using the rate equations. The steady solution is obtained and its stability is analysed. The time evolution of large deviation from the steady solution is studied by using computer simulation. The population inversion and the trigger input must exceed certain thresholds to operate a two-photon laser. The method for producing giant-pulse is discussed. The possibility of building a pratical two-photon laser is analysed basing on the known data. A Doppler-i'ree two-photon laser needs much lower threshold but much more serious frequency matching among the atom system, cavity and the trigger input. Such a Doppler-free two-photon laser could find applications in laser spectroscopy and in the accurate metrology. Two-photon laser amplifiers distort the input waveform seriously. This distortion depends strongly on the input intensity.

用速率方程的方法研究了双光子激光器和双光子激光放大器,得到了双光子激光器的基本方程,同时研究了稳态解的稳定性问题。用计算机模拟计算了大范围偏离稳态值时的时间演化。双光子激光器必须有高于阈值的集居数反转和起动的触发脉冲。讨论了产生巨脉冲的方法。根据已知的数值指出建立双光子激光器的可能性,无多普勒加宽的双光子激光器要求低得多的阈值和苛刻得多的频率匹配,但可望在激光光谱学和基准测量中得到应用。双光子激光放大器对波形有严重的畸变,并对输入脉冲的强度存在着强烈的非线性依赖关系。

The parameters for a cousto-optic mode-locking of an Ar+-laser investigated. The stable mode-locked operations at 4880 A and 5145 A have been obtained. The average power is up to 300 mW. The pulse-width is about 200 ps. The fluctuation of the pulse amplitudes is less than 5 %. A dye laser with an astigmatically compensated cavity synchronously pumped by this Ar+-laser has been operated. Its pulse-width is less

研究了氩离子激光器的声光锁模参数.对4880(?)和5145(?)均获得了较稳定的锁模运转.锁模平均功率~300mW,脉冲宽度~200ps,脉冲强度起伏小于5%.用这台氩激光器同步泵浦一台折迭式象散补偿腔染料激光器,实现了同步锁模输出.在5840(?)处,其脉冲宽度小于10ps,平均功率~20mW.波长调谐范围是5700~6200(?),并着重研究了腔长或频率失调对锁模的影响.

A simple method for measuring the time and space distribution of the light pulse intensity is reported. The steric sensing profiles for Cu/CuBr and Pb lasers, which include some detailed struture of the light pulses, and the transient divergences of the light pulses have been obtained by using this method.

本文报道了一种简单的测量光脉冲强度的时空分布方法。用此方法得到Cu/CuBr和Ph激光的具有立体感的光脉冲形状,它包括了光脉冲结构的一些细节,以及光脉冲的瞬时发散度。

 
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