共 4 条
[1]
ESTEBAN D, 1977, 1977 P IEEE INT C AC, P191
[2]
ANALOG SCRAMBLERS FOR SPEECH BASED ON SEQUENTIAL PERMUTATIONS IN TIME AND FREQUENCY
[J].
BELL SYSTEM TECHNICAL JOURNAL,
1983, 62 (01)
:25-46
[3]
JOHNSTON JD, 1980, 1980 P ICASSP, P291
[4]
1981, BSTJ 2, V60