A method of Group Delay measurement in Digital Radio System has been introduced in this article.
本文介绍了一种数字微波通信系统的群时延测量方法。
Measurement of human capital value should mainly use "output" method and meet the demands of group measurement, gradation measurement and adjustment measurement.
人力资本价值计量应以产出法为主导方法，并体现团队计量、分层计量、动态计量的要求。
Through these measurement and analyse, bring forward the method to reduce the chirp FBG device's group delay ripple, phase ripple and optimize it's PMD and PDL.
通过如上性能的分析和测试，提出了降低啁啾光纤光栅器件时延波动、相位波动，优化其偏振模色散与偏振相关损耗的方法。
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