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METHOD AND SYSTEM FOR REAL-TIME DIGITAL FILTERING FOR ELECTROPHYSIOLOGICAL AND HEMODYNAMIC AMPLIFERS
METHOD AND SYSTEM FOR REAL-TIME DIGITAL FILTERING FOR ELECTROPHYSIOLOGICAL AND HEMODYNAMIC AMPLIFERS
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机译:用于电生理和血液动力学放大器的实时数字滤波的方法和系统
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摘要
The present invention includes a method and system for real-time digital filtering for electrophysiological and hemodynamic amplifiers. The invention replaces the analog circuits currently used for signal filtering and conditioning in such systems with digital filters that may be implemented in a software application. The method and system includes digitizing the analog signal collected from the patient prior to performing the signal filtering and conditioning. The method and system also includes removing stimulus artifacts, as well as performing sample rate conversion and scaling on the digital signal. The processed digital signals may be used, displayed, saved and converted to analog signal thru digital-to-analog conversion.
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