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2024-11-28JST12:40:57 Power-line-communication (PIC) systems use high-voltage cables in a frequency range up to 30 MHz. Since the cables are not designed for this duty, there can be significant signal attenuation and distortion. We have computed the propagation characteristics of a typical PLC signal along a single-core cable having two, 3-mm thick semiconducting layers, using the finite-difference time-domain (FDTD) method. The PLC signal suffers significant attenuation for two different values of layer conductivity o. With o= 10-3 S/m, attenuation is caused by radial charging and discharging of the semiconducting layers. Axial current propagation along the layers dominates losses at o= 103 S/m. | Power-line-communication (PIC) systems use high-voltage cables in a frequency range up to 30 MHz. Since the cables are not designed for this duty, there can be significant signal attenuation and distortion. We have computed the propagation characteristics of a typical PLC signal along a single-core cable having two, 3-mm thick semiconducting layers, using the finite-difference time-domain (FDTD) method. The PLC signal suffers significant attenuation for two different values of layer conductivity o. With o= 10-3 S/m, attenuation is caused by radial charging and discharging of the semiconducting layers. Axial current propagation along the layers dominates losses at o= 103 S/m. |
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2024-11-28JST12:03:56 Thank you for your continued friendship and support throughout the year. We're so grateful for all the fun times we've shared. Wishing you a Merry Christmas and a Happy New Year filled with joy and laughter. | Thank you for your continued friendship and support throughout the year. We're so grateful for all the fun times we've shared. Wishing you a Merry Christmas and a Happy New Year filled with joy and laughter. |
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