Simulation de la perturbation thermique dans un câble coaxial : proposition d'un nouveau type de capteur de température

Abstract : We have studied the propagation of the TEM coaxial mode in a linear temperature gradient along the whole transmission line by means of two different numerical methods namely, the finite difference method and a PSpice simulation program model. The first numerical method allowed us to design a new temperature sensor because the finite difference method is a costless procedure for the computation of the attenuation and phase along the coaxial cable of different lengths. The simulation program has been used as a comparing method with the finite difference method. In both numerical models, the whole coaxial cable is considered as a cascaded linear quadripoles whose general primary parameters, resistance and inductance per unit length especially, increases with the longitudinal distance. Different parameters such as attenuation or phase are computed using a recurrent model equations taking into account the temperature variations. The temperature sensor uses also a similar recurrent equation model
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Hatem Mokhtari. Simulation de la perturbation thermique dans un câble coaxial : proposition d'un nouveau type de capteur de température. Autre. Université Paul Verlaine - Metz, 1992. Français. ⟨NNT : 1992METZ003S⟩. ⟨tel-01775953⟩

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