振幅谐振
amplitude resonance
amorphous substance
amplitude frequency response
正交振幅调幅法
quadrature amplitude modulation
MQAM(多电平正交振幅调制)
MQAM( Multi-level Quadrature Amplitude Modulation
八进制正交振幅调制(8QAM)
octal quadrature amplitude modulation
比例谐振调节器(PR)
proportional plus resonant(PR) regulator
变容管调谐振荡器
Varactor tuning oscillator
varactor tuned oscillators
表面一致振幅调节
surface-consistent amplitude adjustment
程控频率振幅调变
programmed frequency amplitude modulation
PFAM
纯振幅调制
amplitude-only modulation
大振幅振动
oscillating in large amplitude
large amplitude vibration
大振幅振动测量
Large vibration measurement