连续相位频移键控 continuous phase frequency shift keying: 连续相位移频键控phase-continuous frequency shift keying: 相位连续频移键控phase coherent frequency shift keying: 相位连贯频移键控absolute phase shift keying: 绝对相移键控amplitude-phase shift keying: 振幅移相键控下载手机词典可随时随地查词查翻译