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    • 3. 发明授权
    • Receiving method, receiving system for magnetic resonance signals, and magnetic resonance imaging system
    • 接收方式,磁共振信号接收系统和磁共振成像系统
    • US09465092B2
    • 2016-10-11
    • US13689751
    • 2012-11-29
    • Markus VesterJian Min WangLan WangZhi Bin Li
    • Markus VesterJian Min WangLan WangZhi Bin Li
    • G01V3/00G01R33/54G01R33/36G01R33/3415
    • G01R33/54G01R33/3415G01R33/3621
    • A method and system for receiving magnetic resonance signals, and a magnetic resonance imaging system are provided. The method includes dividing coil units in a receiving coil array into different coil unit groups. For each of the coil unit groups, correlations are established between carrier frequencies and the signals received by each coil unit in the coil unit group. Low noise amplification is performed, and filtering and frequency mixing is performed on the signals received by all the coil units in the coil unit group according to the correlations to obtain intermediate frequency signals borne on the respectively corresponding carrier frequencies of an identical channel. After performing amplification and filtering on the intermediate frequency signals, the intermediate frequency signals are output to an analog-to-digital conversion unit to perform digital sampling so as to obtain digital domain signals.
    • 提供一种用于接收磁共振信号的方法和系统,以及磁共振成像系统。 该方法包括将接收线圈阵列中的线圈单元分成不同的线圈单元组。 对于每个线圈单元组,在线圈单元组中的载波频率和每个线圈单元接收的信号之间建立相关性。 执行低噪声放大,并且根据相关性对线圈单元组中的所有线圈单元接收到的信号进行滤波和混频,以获得承载在相同信道的相应载波频率上的中频信号。 在对中频信号执行放大和滤波之后,将中频信号输出到模数转换单元进行数字采样,以获得数字域信号。