Construction And Implementation Of MRI Gradient Power Amplifier Software System

Magnetic Resonance Imaging(MRI)has promoted the rapid development of the medical industry,but the accuracy and clarity of MRI have a direct impact on the application of the technology.In the existing technology,the application of MRI gradient power amplifier,It has a positive effect on further improving the imaging effect of NMR,but in the process of practical application,the construction of gradient magnetic field is focused on the research of MRI imaging technology,digital control of amplifier,and so on.Under the application of MRI technology,the magnetic field control of gradient power amplifier is fully used to improve the effect of nuclear magnetic imaging through the magnetic field performance,but,In the existing research and development and application of MRI gradient power amplifier,there has not been a systematic research and development system in China.Therefore,the application of MRI gradient power amplifier has been further improved.It has a positive effect on further optimizing the practical application of nuclear magnetic resonance imaging technology.Based on this,the contents of this study are as follows:(1)In this paper,according to the technical characteristics and principle of MRI gradient power amplifier itself,with MRI and gradient power amplifier as the center,the overall scheme of MRI gradient power amplifier is constructed from two angles of hardware and software(2)In hardware composition,the control Board of TMS320F28335 model DSP chip is selected.The power amplifier circuit is designed,and the communication protocol,data transmission and control algorithm of MRI gradient power amplifier are studied in the software,combined with the functional requirements of NMR presentation and imaging amplification.(3)The implementation of MRI gradient power amplifier,focusing on digital signal sampling and transmission,communication control and other aspects of testing,through signal analysis,to achieve image amplification and control.(4)Making full use of PID dynamic switching control algorithm to study the communication,imaging and A/D conversion of MRI gradient power amplifier.Modules for user management and image management are further designed to facilitate users' use and management of MRI images.While solving the problem of imaging blur,the experimental test is carried out,and it is proved that the MRI gradient power amplifier can realize the data conversion,And the imaging information can be collected and transmitted,and then meet the practical application needs of NMR imaging.