Computer-aided design method for high-voltage shielding cable of new energy automobile

The invention relates to the technical field of magnetic variable measurement, in particular to a computer aided design method for a high-voltage shielding cable of a new energy automobile. Setting an initial layer number of the woven copper mesh, and under the initial layer number, respectively acquiring output power sequences and current magnetic field sequences of the new energy vehicles with different porosities in a plurality of set time periods; obtaining a new current magnetic field sequence; calculating a stability evaluation based on the output power sequence; determining electromagnetic interference evaluation under each porosity according to the stability evaluation and the maximum value and the minimum value in the new current magnetic field sequence; performing curve fitting on the electromagnetic interference evaluation and the porosity, and selecting m qualified porosities according to a curve; sequentially increasing the number of layers of the woven copper mesh corresponding to each qualified