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    • 20. 发明授权
    • Optimal drive frequency selection in electrical tomography
    • 电断层扫描中的最佳驱动频率选择
    • US07969161B2
    • 2011-06-28
    • US12665514
    • 2009-12-01
    • Yashar BehzadiKenneth C. Crandall
    • Yashar BehzadiKenneth C. Crandall
    • G01R29/26A61B5/05
    • A61B5/05A61B5/415A61B5/7257
    • 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.
    • 公开了电断层扫描驱动频率选择系统和方法。 本发明的一个方面涉及一种用于最佳地选择电断层摄影的驱动频率的系统,其包括与被检体的内部器官内的组织部位稳定相关联的传感器电极,用于基于噪声信号产生感应信号 频域的范围,其中电断层摄影的电场被关闭。 另外,该系统包括噪声处理模块,用于在频带的范围上隔离每个频带的感应信号。 此外,该系统包括频率选择模块,用于通过比较频带范围上的每个频带的感应信号来选择用于电断层摄影的电场的驱动频率。