Susceptibility of cables in shielded environment to external excitations

An approach to the analysis of cables in a shielded environment is presented. Electromagnetic sources exterior to this environment excite at least one of the cables. The formulation of this problem uses Fourier series to approximate the waveform of the unknown currents excited on each cable. The Fourier coefficients are determined by enforcing an appropriate boundary condition. The coupling among the cables in the shielded environment is taken into account; wire-to-wire impedance elements describe such coupling. Cables of arbitrary finite diameters can be easily treated. Results for various problems are given in the form of current distributions. Other parameters of interest can be easily obtained once the current distribution on each cable in the set is known. It is shown that physically reasonable solutions can be obtained for a variety of problems involving cables in the shielded environment.<>