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We establish an optical path difference (OPD) distribution model in a spatial scanned polarized low-coherence interferometry (LCI) considering the nonperpendicular incidence of light to explore the spatial frequency drift. Simulation shows that the OPD is no longer linearly distributed on a charged coupled device (CCD) and that the spatial frequency drifts approximately linearly as low coherent interference...
With the development of electric power business and Smart Grid, many different access technologies are emerge in access network. Meanwhile, transmission technologies with high speed and large capacity are used widely in backbone network. We take into account the key technologies in access and backbone network, design the connection scheme between the access and backbone networks from practical application...
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