18信息移频自动闭塞
18information frequency shift automatic block
GMSK高斯最小频移键控
GMSK Guassian Minimum Shift Keying
M阶频移键控
M-ary Frequency-Shift Keying (MFSK
MFSK (M-ary Frequency-Shift Keying
UM2000移频信号
Frequency Shift Signal UM2000
ZPW-2000A无绝缘移频自动闭塞
ZPW-2000A Jointless Track Circuit Frequency-shift Automatic Block System
ZPW-2000A jointless track circuit frequency-shift
ZPW-2000A移频信号
ZPW-2000A frequency-shift signal
布里渊频移
Brillouin frequency shift
brillouin scattering
布里渊频移测量精度
measurement accuracy of brillouin frequency shif
布里渊散射频移
Brillouin scattering frequency shift
超低频移相器
ultra-low frequency phase shifter