开环-闭环基音提取
open-loop and close-loop pitch extraction
AFE闭环控制研究
Research on Closed-loop Control of AFE
H∞闭环增益成形控制技术
H_∞ closed-loop gain shaping control techniques
PID闭环调节控制
PID closed loop regulation control
SISO闭环系统模型
SISO closed-loop feedback system model
ZPW-2000A闭环电码化
ZPW-2000A closed loop coding