Open type spectrometer receiving channel extension system

A receiving channel and spectrum analyzer technology, which is applied in the field of open spectrum analyzer receiving channel expansion system, can solve problems such as limited receiving channel, achieve good synchronization effect, low cost, and low difficulty in use

Active Publication Date: 2014-03-05
XBO MEDICAL SYST
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the above-mentioned deficiencies and provide an

Method used

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  • Open type spectrometer receiving channel extension system
  • Open type spectrometer receiving channel extension system

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Embodiment Construction

[0025] Such as figure 1 As shown, the main board 1 is mainly connected with the data synchronization and clock generation board 2 through a high-speed bus, and connected with the host computer 14 through a gigabit network port 15 . Mainboard 1 is the central control unit of the spectrum analyzer, which mainly performs sequence calculation, generates excitation signal data, receives resonance signal calculation, filters, and realizes communication with the host computer.

[0026] The data synchronization and clock generation board 2 is mainly connected with the main board 1 through the high-speed bus, and the signal excitation board 3 and the receiving board 4 are connected with the control and monitoring bus 9 through the downlink real-time bus 5 and uplink real-time bus 6 . The data synchronization and clock generation board 2 is connected to the spread spectrum analyzer through the externally expanded synchronous clock 7 and the externally expanded received signal real-time ...

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Abstract

The invention relates to an open type spectrometer receiving channel extension system. Real-time buses are divided into a downlink real-time bus and an uplink real-time bus, the receiving control portion of the downlink real-time bus serves as an external extension receiving signal real-time bus and is matched with other signal extension to complete receiving channel extension, and 2-4 spectrometers are combined to achieve extension of channels from 32 to 64 or even more. The open type spectrometer receiving channel extension system can achieve extension without extra control of an upper computer, and is low in cost, low in use difficulty and good in synchronous effect.

Description

technical field [0001] The invention relates to an open spectrum analyzer receiving channel expansion system, which is used for nuclear magnetic resonance imaging, detection and analysis, and belongs to the field of medical diagnosis images. Background technique [0002] The spectrum analyzer is the core component of the nuclear magnetic resonance measurement device or instrument, and it is a highly complex and high-precision instrument. It mainly completes the work of the sequence generator, which can send excitation waveforms, including radio frequency excitation waveforms and gradient waveforms, to obtain nuclear magnetic resonance signals, digitize the received nuclear magnetic resonance signals and send them to the host computer for imaging or spectrum analysis. [0003] The more channels of the receiving coil, the better the signal-to-noise ratio (SNR) of the image, and the larger the uniform area, the better the image quality, which is more favorable for imaging. The...

Claims

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Application Information

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IPC IPC(8): G01R23/16G01R33/36
Inventor 侯晓萍迈特.康明斯刘景顺王义槐刘培植连建宇
Owner XBO MEDICAL SYST
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