Time and frequency comparison
correlation in time and frequency domain
FATDL Frequency And Time Division Data Link
FFT analysis in frequency and time domain
frequency and time division data line
frequency and time domain analysis
frequency and time granularity
FTMC Frequency and Time Measurement Counter
geodetic GPS time and frequency transfer receiver
Journal of Time and Frequency
multi-time and frequency gate processing technique
numerical transformation in time and frequency dom
Short-time and frequency-conversion
space-time time-frequency-shift keying(ST-TFSK)
standard frequency and time signal
standard of accurate time and frequency
Standard time and frequency
Standard time and frequency system