三相工频相位表检定装置
Three-phase Meter Calibration Device
变频-工频切换
switching between variable frequency and industrial frequency
变频-工频同步切换
VF-FF synchronous switching
三相工频可控硅电源
Three-phase Power Frequency SCR Power Supply
倍频相位匹配
phase matching (PM) paramiter
低频位相畸变
low-frequency phase perturbation
多频相位组合
multi-frequency combination
二倍频相位调制
second harmonic phase modulation
光频相位调制
Light wave phase modulation
连续相位频移键控
CPFSK
Continuous-Phase Frequency-Shift Keying (CPFSK
continuous phase frequency shift keying (CP-FSK