Title :
Effect of periodic cable nonuniformities on transmission measurements
Author :
Borges, Gilvan ; Rodrigues, Roberto M. ; Costa, J.C.W.A. ; Santos, Adam ; Fertner, Antoni
Author_Institution :
Dept. of Electr. & Comput. Eng., Fed. Univ. of Para (UFPA), Belem, Brazil
Abstract :
This paper presents a likely explanation for dips observed in transmission coefficient measurements (S21) for twisted-pair copper cables. We show via computer simulations that periodic cable nonuniformities behave like selective filters, prohibiting electromagnetic wave to propagate at certain frequencies. Similar effect is achieved in optics using fiber Bragg grating (FBG) and may be analyzed as such. The simulation results indicate that periodic cable nonuniformities acting like a FBG is a plausible reasoning to explain the presence of dips.
Keywords :
Bragg gratings; electromagnetic wave propagation; electromagnetic wave transmission; twisted pair cables; FBG; computer simulations; electromagnetic wave propagation; fiber Bragg grating; periodic cable nonuniformity; transmission coefficient measurement; transmission measurements; twisted-pair copper cables; Conductors; Copper; Fiber gratings; Frequency measurement; Optical fiber cables; Power cables; periodic nonuniformities; twisted-pair cables;
Conference_Titel :
Instrumentation and Measurement Technology Conference (I2MTC), 2015 IEEE International
Conference_Location :
Pisa
DOI :
10.1109/I2MTC.2015.7151286
