一个低成本的多通道软件定义的基于无线电的核磁共振光谱仪和超实惠的数字脉冲编程器

IF 0.9 4区医学 Q4 CHEMISTRY, PHYSICAL

Concepts in Magnetic Resonance Part B-Magnetic Resonance Engineering Pub Date : 2018-07-01 DOI:10.1002/CMR.B.21401

C. Michal

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引用次数: 16

摘要

摘要近年来，新一代软件定义无线电(SDR)产品已经出现，非常适合适应核磁共振仪器。介绍了一种基于廉价SDR产品的新型核磁共振谱仪控制台的软硬件设计。该设备提供开源固件和驱动程序，允许自定义其行为和优化用于NMR。特别是，这些低电平修改允许多个SDR板彼此之间以及与其他设备之间的直接同步。其他设备的控制是由一个新的数字脉冲编程器使用廉价的开源，广泛可用的微控制器平台构建。详细描述了用于不同组件的精确、可重复同步的策略。代表性的光谱展示了高分辨率和宽谱线光谱，光谱宽度高达50 MHz。

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A low-cost multi-channel software-defined radio-based NMR spectrometer and ultra-affordable digital pulse programmer

Funding information Natural Sciences and Engineering Research Council of Canada, Grant/Award Number: RGPIN-2014-05114 Abstract In recent years, a new generation of software‐defined radio (SDR) products has emerged that are well suited for adaptation for NMR instrumentation. The software and hardware of a new NMR spectrometer console based upon an inexpensive SDR product are described. This device is provided with open‐source firmware and drivers which have allowed the customization of its behavior and optimization for use in NMR. In particular, these low‐level modifications have allowed for straightforward synchronization of multiple SDR boards with each other and with other devices. Control of other devices is facilitated by a new digital pulse programmer constructed using an inexpensive open‐source, widely available microcontroller platform. The strategy used for precise, reproducible synchronization of the different components is described in detail. Representative spectra are presented demonstrating both high‐resolution and wide‐line spectroscopy with spectral widths up to 50 MHz.

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来源期刊

Concepts in Magnetic Resonance Part B-Magnetic Resonance Engineering 物理-光谱学

CiteScore

2.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Concepts in Magnetic Resonance Part B brings together engineers and physicists involved in the design and development of hardware and software employed in magnetic resonance techniques. The journal welcomes contributions predominantly from the fields of magnetic resonance imaging (MRI), nuclear magnetic resonance (NMR), and electron paramagnetic resonance (EPR), but also encourages submissions relating to less common magnetic resonance imaging and analytical methods. Contributors come from both academia and industry, to report the latest advancements in the development of instrumentation and computer programming to underpin medical, non-medical, and analytical magnetic resonance techniques.