Invention Grant
US08049505B2 MRI system with direct digital receiver using resampling 有权
MRI系统与直接数字接收机采用重采样

  • Patent Title: MRI system with direct digital receiver using resampling
  • Patent Title (中): MRI系统与直接数字接收机采用重采样
  • Application No.: US12519779
    Application Date: 2007-12-13
  • Publication No.: US08049505B2
    Publication Date: 2011-11-01
  • Inventor: Filips Van Liere
  • Applicant: Filips Van Liere
  • Applicant Address: NL Eindhoven
  • Assignee: Koninlijke Philips Electronics N.V.
  • Current Assignee: Koninlijke Philips Electronics N.V.
  • Current Assignee Address: NL Eindhoven
  • Priority: EP06126486 20061219
  • International Application: PCT/IB2007/055084 WO 20071213
  • International Announcement: WO2008/075268 WO 20080626
  • Main IPC: G01V3/00
  • IPC: G01V3/00
MRI system with direct digital receiver using resampling
Abstract:
The present invention relates to magnetic resonance imaging system and to a direct digital receiver (18) for an RF coil (D1, D2), in particular of a magnetic resonance imaging system. To obtain that the sampling frequency of an analog-to-digital converter (33) of the digital receiver can be chosen independently of the digital operating frequency at which the subsequent digital down converter (38), which particularly includes a demodulator (34), operates, a resampling unit (37) is introduced which is coupled between said analog-to-digital converter and said digital down converter for resampling a first digital sample signal at said sampling frequency to a second digital sample signal at said digital operating frequency.
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