Abstract
One of the perspective methods for the magnetic field measurement is the methodology based on the GMI effect measurement. The improvement of the sensor is in term of the sensor sensitivity and the wide-band measurement range in comparison to the commercially available magnetometers. For the evaluation of the impedance of the sample the lock-in amplifier capable to make a decomposition of the impedance to the real and imaginary part was used. The designed and constructed measurement workstation can be used for the precise impedance measurement. Specification of the related metrological properties of the samples improve the precision of the magnetic field measurement that is important for vehicles navigation or for precise mapping of the magnetic fields if unmanned aerial vehicles are used in non-destructive archaeology.
Highlights
Nowadays the issue of the magnetic measurements is a widely discussed topic
The GMI effect is characterized by the change of the complex impedance of the sample excited by the high-frequency current depending on the external magnetic field
The GMI effect sensing is a contact measurement method, which can be used for the microwire characteristics analysis [3]
Summary
Nowadays the issue of the magnetic measurements is a widely discussed topic. There are many types of magnetic sensors that have been developed. The measurement of the magnetic field has a wide range of application possibilities in the aviation and in many industrial, technical and personal applications [1,2]
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