A system (100) and method (300) are described for performing electron paramagnetic resonance on an object under study (101). The system (100) comprises a first field generator (110) adapted for generating an orienting magnetic field (107) for orienting the magnetization of the object under study and a second field generator (106) adapted for generating RF excitation waves at a frequency to generate electron paramagnetic resonance (EPR) in the object under test (101). The system also comprises a detection unit (105) adapted for detecting the EPR signals emitted by the object under test (101) and a control unit (111) adapted for controlling the relative orientation of the orienting magnetic field (107) induced by the first field generator (110) with respect to the detection unit (105). The system furthermore comprises a processing unit (109) programmed for combining detected EPR signals obtained using different relative orientations of the orienting magnetic field with respect to the detection unit (105).
