Frequency domain characterization of coaxial cables utilizing a time domain reflectometer
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This thesis is concerned with both the theoretical and experimental analysis of the time domain response of Co-axial cables.The physical processes causing high frequency loss are discussed. Expressions are developed that include the planar skin effect loss and the dielectric loss. An analytical expression is derived for the line shunt admittance by considering the polymer dielectric to exhibit a distribution of relaxation times. A unique attenuation function is also derived.A description is given of an analog-digital conversion system using a PDP-15 computer. In this system the experimental observations of time domain response are analyzed using a Fast Fourier transform (FFT) algorithm to obtain the frequency domain response of the time sampled data. Finally a least square minimization curve fit is applied to obtain the coefficients of the attenuation function.Experimental observations of time domain response show an excellent agreement with the theory.
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This work is available on request. You can request a copy at https://library.carleton.ca/forms/request-pdf-copy-thesis
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Copyright © 1975 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 1975
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