Rapid calculation method and device for shielding field of transient magnetic field of conductor plate, medium and product

The invention discloses a conductor plate transient magnetic field shielding field rapid calculation method and device, a medium and a product, and relates to the technical field of electromagnetic shielding, and the method comprises the steps: employing a time domain transient shielding field approximation formula to calculate the magnetic field intensity of a transient magnetic field at an observation point after shielding of a conductor plate; the determination method of the formula comprises the following steps: carrying out transmission line simulation approximation on a Moser frequency domain formula, and deducing to obtain a frequency domain magnetic field standard form formula; performing Laplace inverse transformation on the frequency domain magnetic field standard form formula to obtain an integral form post-shielding transient magnetic field shielding formula; and processing the post-shielding transient magnetic field shielding formula in the integral form by adopting a residue theorem and a surrou