frequency hopping time hopping
space-time time-frequency-shift keying(ST-TFSK)
time-frequency division
Time-Time-Time Switching Network TTT
Transponder Hopping / Time Division Multiple Access
(Ultra) high frequency time series
2-D optical frequency-time coding
4D time-frequency volume
Adaptive Kernel Time-frequency Distribution
Adaptive Optimal Kernel Time-frequency Distribution
adaptive time frequency distribution
adaptive time-frequency analysis
adaptive time-frequency distribution
adaptive time-frequency excision
Adaptive window length time-frequency analysis
adjacent domain time-frequency image
Affine time-frequency distribution
alternating frequency time domain method