用于低场磁共振成像的直接射频采样数字接收机

A Digital Receiver Based on Direct RF Sampling for Low-field MRI Scanner

提出一种用于低场磁共振成像谱仪的数字接收机的设计.它基于直接射频采样技术,本文详细讨论了其设计过程.实验结果表明,设计的数字接收机具有结构简单、性能优良和实用性较强的特点.

The design and construction of a digital receiver for low-field MRI scanner based on direct RF sampling is described. The main features of this receiver include simple structure, low cost and high performance. The performance of the receiver was demonstrated experimentally.