The non-uniform planar lightwave circuit (PLC) splitter with one primary and multiple signal distribution function is one of the most crucial devices in Fiber-To-The-Room (FTTR) technology. Reducing the dev.
In response to the problems of low accuracy, high radiation, and high power consumption in industrial UV power detection, the author proposes a design scheme based on a low-power microcontroller M.
An optical fiber consists of a protective layer, a cladding, and a core, all of which are cylindrical. The refractive index distributions of the step-index optical fiber and the graded-index optical fiber are shown in F.
Grouted corrugated duct connection (GCDC) is an effective connection method for prefabricated structures. To facilitate the use of large-diameter rebars with short anchorage length in prefabricated canopie.
In order to solve the problem of difficult coordination of traditional overcurrent relay protection caused by short supply radius and little difference of fault current along urban distribution network, a coordinated r.