Ultra Low-Power Biomedical Signal Processing, 2009
An Analog Wavelet Filter Approach for Pacemakers
Analog Circuits and Signal Processing Series

Language: English

105.49 €

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Ultra Low-Power Biomedical Signal Processing
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215 p. · 15.5x23.5 cm · Paperback

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Ultra-low biomedical signal processing. An analog wavelet filter approach for pacemakers (Analog circuits & signal processing) POD
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Often WT systems employ the discrete wavelet transform, implemented on a digital signal processor. However, in ultra low-power applications such as biomedical implantable devices, it is not suitable to implement the WT by means of digital circuitry due to the relatively high power consumption associated with the required A/D converter. Low-power analog realization of the wavelet transform enables its application in vivo, e.g. in pacemakers, where the wavelet transform provides a means to extremely reliable cardiac signal detection.

In Ultra Low-Power Biomedical Signal Processing we present a novel method for implementing signal processing based on WT in an analog way. The methodology presented focuses on the development of ultra low-power analog integrated circuits that implement the required signal processing, taking into account the limitations imposed by an implantable device.

The Evolution of Pacemakers: An Electronics Perspective.- Wavelet versus Fourier Analysis.- Analog Wavelet Filters: The Need for Approximation.- Optimal State Space Descriptions.- Ultra Low-Power Integrator Designs.- Ultra Low-Power Biomedical System Designs.- Conclusions and Future Research.
Offers a structured approach to filter design, starting from an arbitrary transfer function or impulse response, all the way down to the actual circuit design Concentrates on low-power design at all the hierarchical design levels involved, viz. of the transfer function, of the topology and of the circuit; at all levels the results are verified and put into perspective Provides an overview of the history and development of cardiac pacemakers, the first implantable biomedical electronic device and an outlook to future devices Bridges the gap between the mathematics domain and the electronics domain Includes supplementary material: sn.pub/extras