ZA202106725B - Magnetic resonance radio frequency power amplifier apparatus and magnetic resonance system - Google Patents

Magnetic resonance radio frequency power amplifier apparatus and magnetic resonance system

Info

Publication number
ZA202106725B
ZA202106725B ZA2021/06725A ZA202106725A ZA202106725B ZA 202106725 B ZA202106725 B ZA 202106725B ZA 2021/06725 A ZA2021/06725 A ZA 2021/06725A ZA 202106725 A ZA202106725 A ZA 202106725A ZA 202106725 B ZA202106725 B ZA 202106725B
Authority
ZA
South Africa
Prior art keywords
magnetic resonance
radio frequency
power amplifier
frequency power
amplifier apparatus
Prior art date
Application number
ZA2021/06725A
Inventor
Weizhao Lu
Kun Hou
Jianfeng Qiu
Liting Shi
Huihui Zhao
Original Assignee
Shandong First Medical Univ & Shandong Academy Of Medical Sciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong First Medical Univ & Shandong Academy Of Medical Sciences filed Critical Shandong First Medical Univ & Shandong Academy Of Medical Sciences
Publication of ZA202106725B publication Critical patent/ZA202106725B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3614—RF power amplifiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3621—NMR receivers or demodulators, e.g. preamplifiers, means for frequency modulation of the MR signal using a digital down converter, means for analog to digital conversion [ADC] or for filtering or processing of the MR signal such as bandpass filtering, resampling, decimation or interpolation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/5659—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the RF magnetic field, e.g. spatial inhomogeneities of the RF magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Amplifiers (AREA)
ZA2021/06725A 2019-02-12 2021-09-10 Magnetic resonance radio frequency power amplifier apparatus and magnetic resonance system ZA202106725B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910111648.9A CN109683115B (en) 2019-02-12 2019-02-12 Magnetic resonance radio frequency power amplifier device and magnetic resonance system
PCT/CN2020/074422 WO2020164435A1 (en) 2019-02-12 2020-02-06 Magnetic resonance radio frequency power amplifier device and magnetic resonance system

Publications (1)

Publication Number Publication Date
ZA202106725B true ZA202106725B (en) 2021-10-27

Family

ID=66195803

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2021/06725A ZA202106725B (en) 2019-02-12 2021-09-10 Magnetic resonance radio frequency power amplifier apparatus and magnetic resonance system

Country Status (4)

Country Link
CN (1) CN109683115B (en)
GB (1) GB2595828B (en)
WO (1) WO2020164435A1 (en)
ZA (1) ZA202106725B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109683115B (en) * 2019-02-12 2024-05-03 泰山医学院 Magnetic resonance radio frequency power amplifier device and magnetic resonance system
CN112763952B (en) * 2019-11-06 2023-08-25 西门子(深圳)磁共振有限公司 Method and apparatus for monitoring radio frequency transmit circuit of magnetic resonance imaging device
CN111324861B (en) * 2020-02-28 2022-05-03 厦门大学 Deep learning magnetic resonance spectrum reconstruction method based on matrix decomposition

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Also Published As

Publication number Publication date
WO2020164435A1 (en) 2020-08-20
GB2595828A (en) 2021-12-08
GB2595828B (en) 2023-02-15
CN109683115A (en) 2019-04-26
CN109683115B (en) 2024-05-03
GB202112953D0 (en) 2021-10-27

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