- 专利标题: REMOVING RF INTERFERENCE OF PILOT TONE SIGNAL IN MRI SYSTEM
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申请号: US17405285申请日: 2021-08-18
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公开(公告)号: US20220057465A1公开(公告)日: 2022-02-24
- 发明人: Shu Qun Xie , Yan Tu Huang , Fang Dong
- 申请人: Siemens Healthcare GmbH
- 申请人地址: DE Erlangen
- 专利权人: Siemens Healthcare GmbH
- 当前专利权人: Siemens Healthcare GmbH
- 当前专利权人地址: DE Erlangen
- 优先权: CN202010830359.7 20200818
- 主分类号: G01R33/54
- IPC分类号: G01R33/54 ; G01R33/56
摘要:
A signal processing method including receiving an original reference radio frequency signal from a receiving antenna group; receiving the time series of the control signal associated with the transmission event of the radio frequency pulses; synchronizing the time series with the original reference radio frequency signal, and determining the echo train in the original reference radio frequency signal in a repetition time of the pulse sequence, wherein the echo train corresponds to the part of the time series associated with the transmission event of the radio frequency pulses in time sequence; setting the sampling points in the domains of the starting point and a first ending point of the echo train; and generating a fitting signal based on the sampling points to eliminate the radio frequency interference signal resulted from the transmission event of the radio frequency pulses.