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    In order to decrease polarization mode dispersion (PMD) of chirped fiber Bragg grating, a novel method, which is called polarization mode dispersion-compensation written technique, has been developed.

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  • 全部术眼分别应用显然验光角膜曲率观察术后1、1、23月球镜和散光度数的变化。

    All patients were refracted and examined with keratometry preoperatively, 1 week, 1. month, 2 months and 3 months postoperatively.

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  • 窄带滤光片测量不确定度0.646%(置信概率为95%),满足星载成像光谱仪杂散光测量工程需要

    The relative uncertainty of the measurement is 0.646% when the fiducial probability is about 95%, which can meet the needs of the stray light measurement.

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    Now, there are two ways to measure the stray light, respectively, surface source method (black spot method) and the point source method.

    youdao

  • 现有散光测量系统分为类,分别为面源黑斑点源

    Now, there are two ways to measure the stray light, respectively, surface source method (black spot method) and the point source method.

    youdao

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