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偏振合成
相关语句
  polarized combination
     A Experimental Study on Polarized Combination Method of Many Laser Beams by Phase-Conjugate.
     多束激光相位共轭偏振合成技术的实验研究
短句来源
     Study About Polarized Combination of Two Beams
     双光束偏振合成实验研究与探讨
短句来源
     The method of polarized combination method of many laser beams by phase-conjugate is studied.
     进行了多束激光相位共轭偏振合成研究。
短句来源
  “偏振合成”译为未确定词的双语例句
     The seeder is a laser machine of Cr~(4+)∶YAG Q-Switched twisted mode and, the divided/combined component is a polarizing plate。 Finally three laser beams were combined by phase-conjugate mirror (PCM),and the parameters of output laser were 10Hz,150mJ,4ns, M~21.6.
     种子激光源使用的是Cr4+∶YAG被动调Q的扭转模激光器 ,分束 /合束是通过使用偏振片来实现 ,最终实现了三路激光的基于相位共轭的偏振合成 ,指标为重频 1 0Hz,脉冲能量 1 50mJ,脉宽 4ns,M2 为 1 6。
短句来源
  相似匹配句对
     N,N,N?
     合成了 N,N,N?
短句来源
     Coumarin fluorescent dyes such as C.
     合成了C.
短句来源
     The Polarization of Light in the Rainbows
     虹霓的偏振
短句来源
     POLARIZATION OF ACTIVE GALACTIC NUCLEI
     活动星系核的偏振
短句来源
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  polarized combination
Our results show that MIMO systems exploiting the vertically co-polarized antenna arrays at both ends outperform the horizontally co-polarized combination.
      


ln order to decrease the thermal effects under high power injection,improve the polarization characteristics of output laser,and increase the ability of withstanding destroy,it is very important to conducting the research about multi beams combination.We discuss the theory about polarized combination of two beams firstly in this paper,through experiments,we get some rules of this method,and further our discuss about the next step of beam combination.

为了降低在大功率注入情况下热效应对激光系统的影响,提高激光输出的偏振特性,以及提高激光器的抗破坏能力,开展多光束合成技术研究具有十分重要的意义。本文探讨了双光束偏振合成的基本理论依据,并通过实验,给出了基本规律,对于进一步开展合成工作的方向也进行了探讨。

Thermal effect is one of the important problems in high power solid state lasers.Conducting the research about polarized combination will decrease the influence of thermal effects,decrease the damage possibility of active medium and increase the output power.In this paper,based on former experiments about long pulses,we further our study about the characteristics of Q switch beams combination with different methods.The relatively good results have been achieved,the existing problems and future development are...

Thermal effect is one of the important problems in high power solid state lasers.Conducting the research about polarized combination will decrease the influence of thermal effects,decrease the damage possibility of active medium and increase the output power.In this paper,based on former experiments about long pulses,we further our study about the characteristics of Q switch beams combination with different methods.The relatively good results have been achieved,the existing problems and future development are discussed meanwhile.

:热效应是高功率固体激光器系统的主要问题之一 ,开展偏振合成技术研究既可以降低热效应对系统的影响 ,又可以大大降低系统的破坏可能性 ,提高输出功率。本文在静态实验的基础上 ,采用不同方案 ,进一步开展了 Q开关动态合成特性的研究 ,取得了较为理想的实验结果 ,并探讨了偏振合成存在的问题与发展方向。

Speckle arises as a natural consequence of the limited spatial frequency bandwidth of the interference signals measured in optical coherence tomography(OCT).In images of highly scattering biological tissues,speckle has a dual role as a source of noise and as a source of carrier of information about tissue microstructure.The first half of this paper provides an overview of the origin,statistical properties,and classification of speckle in OCT.The concepts of signal carrying and signal degrading speckle are...

Speckle arises as a natural consequence of the limited spatial frequency bandwidth of the interference signals measured in optical coherence tomography(OCT).In images of highly scattering biological tissues,speckle has a dual role as a source of noise and as a source of carrier of information about tissue microstructure.The first half of this paper provides an overview of the origin,statistical properties,and classification of speckle in OCT.The concepts of signal carrying and signal degrading speckle are defined in terms of the phase and amplitude disturbances of the sample beam.In the remaining half of the paper,four speckle reduction methods polarization diversity,spatial compounding,frequency compounding and digital signal processing are discussed and the potential effectiveness of each method is analyzed briefly with the aid of examples.Finally,remaining problems that merit further research are suggested.

由于光相干层析成像中测量的干涉信号空间频带有限 ,因此会产生散斑。在高散射的生物组织图像中 ,散斑具有双重身份 ,即作为噪声源和作为组织微结构的信号载体。本文的前半部分对于光相干层析成像中散斑的产生原因、统计特性以及分类作了综述。通过采样束的相位和振幅扰动可以定义信号载体散斑和信号降低散斑。本文的后半部分讨论了减少散斑的 4种方法 :偏振合成法、空间合成法、频率合成法和数字信号处理方法 ,并且通过举例对每一种方法的有效性作了简单的分析。最后 ,文章提出了需进一步研究的问题

 
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