| Definition: | one-dimensionally distributed two-terminal-pair circuit element characterized by lineic inductance l, lineic capacitance c, lineic resistance r and lineic conductance g which can be functions of the same space coordinate x, where the voltage u(x, t) and the electric current i(x, t), where t is the time, are related by the partial differential equations:
Note 1 to entry: In English, the term "transmission line" has different meanings in general (see IEV 151-12-43), in electric power systems (see IEV 151-12-31) and in telecommunications and electronics (see IEV 151-12-32).
Note 2 to entry: In French, the term "ligne de transmission" has a different meaning in general (see IEV 151-12-43) and in telecommunications and electronics (see IEV 151-12-32).
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