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Bulgarian Journal of Physics
Print: 1310-0157 Online: 1314-2666
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RECOGNIZED BY THE EUROPEAN PHYSICAL SOCIETY 
Bulg. J. Phys. vol.17 no.4 (1990), pp. 368-374
Variational Method for the Analysis of Three-Layer Microstrip-like Transmission Lines for Nondestructive Permittivity Measurement
I.P. Ganashev
Sofia University, Faculty of Physics, 5 Anton Ivanov blvd., Sofia 1126
go backSofia University, Faculty of Physics, 5 Anton Ivanov blvd., Sofia 1126
Abstract. The method presented uses series of expansion of the unknown charge distribution over the slrip conductor in terms of Chebychev's polynomials. It takes into account the charge density behaviour near the strip edges. Applications to sensitivity analysis for nondestructive permittivity measurement are discussed. Two news structures are suggested.