一种基于CORDIC的磁共振射频脉冲发生器设计

刘颖, 卢志豪, 吕海龙, 章浩伟

A Design of CORDIC-based Magnetic Resonance RF Pulse Generator

LIU Ying, LU Zhihao, LV Hailong, ZHANG Haowei

图8 (a)频率从5 MHz快速调制到10 MHz的快速阶跃调制；(b)相位从初始0˚相位快速调制到180˚的快速阶跃调制；(c)频率21.29 MHz、峰-峰值326 mV的射频脉冲信号；(d)频率21.28 MHz、峰-峰值166 mV的射频脉冲信号

Fig. 8 (a) Fast frequency step modulation from 5 MHz to 10 MHz; (b) Fast phase step modulation from 0˚ to 180˚; (c) RF pulse signal with a frequency of 21.29 MHz and a peak-to-peak value of 326 mV; (d) RF pulse signal with a frequency of 21.28 MHz and a peak-to-peak value of 166 mV