FIELD: electricity.
SUBSTANCE: invention is related to magnet particles visualisation tools intended for their simulation and/or detection in scope of view. The device is comprised of a selector containing generation unit for selection field signal and elements of selection field in order to generate magnetic selection filed with such spaced structure of magnetic field intensity when in the scope of view the first subarea with low intensity of magnetic field and the second area with higher intensity of magnetic field are generated; exciter containing generation units for excitation field signal and contours of excitation field in order to change position of the two subareas in space in the scope of view so that intensity of the magnetic field is changed locally, and control unit for excitation field signal generation units intended for generation of excitation currents so that the first subarea is shifted along p number of the set low-density paths, each of them shaped as closed curve placed unequally within limits of the scope view, at that each excitation current has frequency and phase of excitation current. The control unit is made so that it can control excitation field signal generation units intended for generation of excitation currents so that frequency values of excitation currents are equal or have ratio within limits from 0.5 up to 0.98 and phases of excitation currents for at least one excitation current are different for a set p of low-density paths, which results in a sample of high-density scope of view by the first subarea upon shifting along p number of the set low-density paths. Magnet particles simulation method lies in operation of the device.
EFFECT: usage of the invention allows studying random objects with high spatial resolution.
10 cl, 9 dwg, 1 tbl
