Possibilities of further improvement of 1 s fluxgate variometers

Author:

Marusenkov Andriy

Abstract

Abstract. The paper discusses the possibility of improving temperature and noise characteristics of fluxgate variometers. The new fluxgate sensor with a Co-based amorphous ring core is described. This sensor is capable of improving the signal-to-noise ratio at the recording short-period geomagnetic variations. Besides the sensor performance, it is very important to create the high-stability compensation field that cancels the main Earth magnetic field inside the magnetic cores. For this purpose the new digitally controlled current source with low noise level and high temperature stability is developed.

Publisher

Copernicus GmbH

Subject

Atmospheric Science,Geology,Oceanography

Reference35 articles.

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