Abstract
Purpose of the work was to present algorithms and software developed for working with multi-channel magneto-cardiograph. Such software is intended for control of operation and computer processing of magnetocardiographic (MCG) data obtained from the human heart. Magnetocardiograph is controlled as “virtual device” from PC mouse/keyboard, so as manually from electronic unit and all that through the control microprocessors embedded into hardware units. Software processing is performed both in on-line mode during process of data acquisition and in off-line manner during post-processing. Software allows preliminary processing, reconstruction and analysis of magnetic maps, and also inverse problem solution. Package is intended both for scientific studying of the heart electric activity and studying of MCG informative indexes for clinical diagnostic of cardiology diseases. Above software is planned to use at Strazhesko Institute of Cardiology (Kyiv) within framework of project supported by Science and Technology Center in Ukraine (STCU).
Highlights
Superconducting Quantum Interference Detectors (SQU-IDs) are characterized by the sensitivity of (10÷15)–15 T/√Hz which allows to register super-low fields connec-ted with the biological activity of living organisms
Magnetic fields are almost not disturbed by biological tissues, measurement is contact-free and passive
That SQUID-based measurements give a new direction in the study of biological objects
Summary
Superconducting Quantum Interference Detectors (SQU-IDs) are characterized by the sensitivity of (10÷15)–15 T/√Hz which allows to register super-low fields connec-ted with the biological activity of living organisms. Magnetic fields are almost not disturbed by biological tissues, measurement is contact-free and passive. Largest magnetic signal from the human body is generated by the heart. Realization of measurements with the help of supersensitive SQUID sensors is a difficult problem. It is connected with solving a number of tasks concerning noise-immunity, filtration, multichannel data acquisition, signal processing, their representation, interpretation, etc. Control and adjustment of device are performed by microprocessors embedded into electronics. These materials were early published in [2,3,4,5,6,7,8]
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