MQAM(多电平正交振幅调制)
MQAM( Multi-level Quadrature Amplitude Modulation
SH/P振幅比
SH and P wave amplitude ratio
twist-3分布振幅
twist-3 distribution amplitude
八进制正交振幅调制(8QAM)
octal quadrature amplitude modulation
半振幅基本脉宽
half-amplitude basic pulse width
保持振幅处理
PAP
Preserved amplitude processing