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Magnetic resonance optical fiber spectrometer and its radio frequency receiving device

A radio frequency receiving and magnetic resonance technology, which is applied in medical science, sensors, diagnostic recording/measurement, etc., can solve the problems of high manufacturing cost and real-time data transmission, etc., to ensure real-time performance, improve bandwidth utilization, and improve The effect of the signal-to-noise ratio of the receive channel

Active Publication Date: 2015-11-11
NEUSOFT MEDICAL SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Optical fiber transmission using the Ethernet protocol, because the data needs to be packaged and unpacked, the real-time performance of data transmission is difficult to achieve
Multi-channel data transmission using multiple optical fibers, although the real-time transmission is better, but the manufacturing cost is higher

Method used

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  • Magnetic resonance optical fiber spectrometer and its radio frequency receiving device
  • Magnetic resonance optical fiber spectrometer and its radio frequency receiving device
  • Magnetic resonance optical fiber spectrometer and its radio frequency receiving device

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Embodiment Construction

[0033]Various aspects of the disclosure are described below. It should be appreciated that the teachings herein may be embodied in a wide variety of forms and that any specific structure, function, or both disclosed herein are merely representative. Based on the teachings herein one skilled in the art should appreciate that an aspect disclosed herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented or a method practiced using any number of the aspects set forth herein. In addition, such an apparatus may be implemented or such a method may be practiced with other structure, functionality, or structure and functionality in addition to or in addition to one or more of the aspects set forth herein. Additionally, any aspect described herein may comprise at least one element of a claim.

[0034] figure 1 A schematic block diagram of a magnetic resonance fiber o...

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Abstract

The invention provides a radio-frequency receiving device for a magnetic resonance fiber spectrograph. According to the radio-frequency receiving device, a signal adjusting unit comprises at least two signal adjusting subunits for adjusting received radio-frequency signals. The input end of each analog-to-digital (AD) converter is connected with the output of a signal adjusting subunit. A signal processing unit comprises at least two digital down-converters for performing down-conversion on the output signals of the AD converter and a parallel processing controller, wherein the parallel processing controller is used for performing parallel processing on the signals output by at least two digital down-converters and transmitting scanning sequence information received from a console to a scanning control unit. A parallel processing controller, each digital down-converter and each AD converter carries out clock control through reference clock signals received by a clock interface of the scanning control unit. By using the radio-frequency receiving device, the bandwidth utilization rate of a digital fiber link and the signal-to-noise ratio of a receiving channel of a radio-frequency receiving unit can be improved.

Description

technical field [0001] The present invention relates to the technical field of nuclear magnetic resonance, and more specifically, to a radio frequency receiving device and a magnetic resonance optical fiber spectrometer based on optical fiber communication. Background technique [0002] The fiber optic spectrometer of the magnetic resonance imaging equipment usually consists of a scanning control unit and a radio frequency receiving unit. The scanning control unit includes a sequence timing control subsystem, a gradient signal generation subsystem and a radio frequency signal generation subsystem. The scanning control unit of the fiber optic spectrometer implements scanning control by receiving system information from the console computer, obtains imaging data, and uploads the obtained imaging data to the console computer for medical image reconstruction. Usually, the console computer is located in the operation room, the radio frequency receiving unit is located in the shie...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/055
Inventor 史建华胡红兵李海泉吴林王艳左红孙容王宏伟
Owner NEUSOFT MEDICAL SYST CO LTD
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