Author : Satish Nayak 1
Date of Publication :15th May 2017
Abstract: Coaxial cable is the type of cylindrical shape wave guide cannel used in telecommunications for transmitting information signals for larger distance. They are basically governed by electromagnetic theory. The frequency range of these EM wave cables are more than the frequency range of other cables. The main application of coaxial cable is in the transmission of video signals over a long distance without any disturbance. A method is proposed here to find out the variation of impedance of a dielectric filled transmission cable (Coaxial Cable). This paper provides the theoretical and practical measures and its comparison by using different dielectric filled coaxial cables. This paper gives the composite solution, which involves a method of cable design for different applications, using geometry size and operating frequency, in order to study the variation of characteristic impedance with respect to dielectric material variation. This work is simulated using MEMS COMSOL MULTIPHYSICS Tools.
Reference :
-
- Matick, R. E. 1968. “Transmission Line PulseTransformer-Theory and Applications”. In proceedings of the IEEE, 56: 47-62 [2] Chen, G. D., Mu, H. M. 2003. “Continuous coaxial cable sensors for monitoring of RC structures With electrical time domain reflectometry” In Proceedings of SPIE Vol. 5057:410-422
- Sun, S. H., Chen, G. D. 2004. “A Novel TDRBased Coaxial Cable Sensor for Crack/Strain Sensing in Reinforced Concrete Structures”. IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASURMENT, VOL.58, NO.8,AUGUST 2009:2714-2725
- Chen, G. D, Sun, S. S, and Mu, H. M. 2005. “Crack detection of a full-scale reinforced concrete girder with a distributed cable sensor”. Smart Mater. Struct. 14 (2005) S88–S97
- Iana M, David P and Chen G.D. 2011. “STEEL REINFORCEMENT CORROSION DETECTION WITH COAXIAL CABLE SENSORS” In Proceedings. SPIE Vol. 7981, 79811L-
- Chen, G. D.et al. 2005. “Distributed cable sensors with memory feature for post-disaster damage assessment Stream Instability Countermeasures: Experience, Selection, and Design Guidance (2nd Edition)”. Nondestructive Evaluation and Health Monitoring of Aerospace Materials, Composites, and Civil Infrastructure IV Proc, SPIE Vol.5767(SPIE, Belingham, WA, 2005): 236-247
- Zhao, P., Zhou, Zhi., Huang, M. H. and Ou, J. P., July15, 2011, “A distributed coaxial cable sensor for crack detection”, In Proceedings of International Symposium on Innovation & Sustainability of Structures in Civil Engineering(ISISS’2011).
- Zhao, P. 2011. “Novel Coaxial Cable Distruibuted Crack Sensor”. Dalian University of Technology
- Chen, G. D, Mu H.M.2004 “Damage Detection of Reinforced Concrete Beams with Novel Distributed Crack/Strain Sensors”. Structural Health Monitoring , Vol 3(3): 0225–243