Application of the FPGA technology in the analysis of the biomedical signals
international symposium on intelligent systems and informatics(2011)
Abstract
Over the years the acquisition and analysis of bioelectrical signals in humans has become more and more important for advancing in the medical treatment. In every living organism there are millions of bio-electrical signals and extracting just one of them is a very challenging engineering task. This paper presents a device specially developed for biomedical researches of the signals in extreme noise environments which uses lock-in amplifiers and tuned filters for the spectral and impedance measurements. The practical realization of this system demanded high speed multichannel parallel algorithms which could only be implemented in the FPGA technology. The device is intended for use in multiple medical researches such as determining the influence of the medical probes on the living tissue, measuring deviations in the impedance between healthy and diseased tissue, registering the presence of viruses in the blood samples and analysis of the brain bio-electrical signals.
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Key words
biomedicine,field programmable gate arrays,amplifiers
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