低采样率磁共振接收机设计
刘颖, 吕海龙, 卢志豪, 章浩伟
Design of a Low-sampling-rate MRI Receiver
LIU Ying, LV Hailong, LU Zhihao, ZHANG Haowei
表4
不同输出位数对应的混频后信号实测信噪比
Table 4
Actual SNR of the mixed signal with different output bit
NCO输出位数
SNR
actual
/dB
12
70.9
14
74.7
16
77.2
18
77.6
20
77.9