Optimal drive frequency selection in electrical tomography
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United States of America Patent
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Jun 28, 2011
Grant Date -
Jan 6, 2011
app pub date -
Dec 1, 2009
filing date -
Dec 2, 2008
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Abstract
Electrical tomography drive frequency selection systems and methods are disclosed. One aspect of the present invention pertains to a system for optimally selecting a drive frequency of an electrical tomography which comprises a sensor electrode stably associated with a tissue site within an internal organ of a subject for generating an induced signal based on a noise signal over a range of frequency bands, wherein an electrical field for the electrical tomography is turned off. In addition, the system comprises a noise processing module for isolating the induced signal for each frequency band over the range of frequency bands. Furthermore, the system comprises a frequency select module for selecting a drive frequency of the electrical field for the electrical tomography by comparing the induced signal for each frequency band over the range of frequency bands.
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