递增时钟频率法
a method progressive colcking frequency
校准频率和时间讯号
standard frequency and time signal
最高时钟频率
maximum operating clock frequency
频率校正信道/频率校准信道
Frequency Correction Channel FCCH
石英晶体频率校准仪
quartz crystal calibration equipment
自动频率校准
auto frequency calibration
Hilbert谱瞬时频率变异系数
variance coefficients of instantaneous frequency o