共 12 条
[1]
BLACKWELL OB, 1932, T AIEE, V51, P141
[2]
BLACKWELL OB, 619 BELL SYST MON
[3]
ECHO SUPPRESSOR DESIGN IN TELEPHONE COMMUNICATIONS
[J].
BELL SYSTEM TECHNICAL JOURNAL,
1963, 42 (06)
:2893-+
[4]
CLARK AB, 1925, 165 BELL TEL LAB MON
[5]
The occurrence and, effect of lockout occasioned by two echo suppressors
[J].
BELL SYSTEM TECHNICAL JOURNAL,
1938, 17
:258-280
[6]
HORTON AW, 1073 BELL SYST MON
[7]
TRANSMISSION DESIGN OF INTERTOLL TELEPHONE TRUNKS
[J].
BELL SYSTEM TECHNICAL JOURNAL,
1953, 32 (05)
:1019-1036
[8]
NOLL AM, TO BE PUBLISHED
[9]
Characteristic time intervals in telephonic conversation
[J].
BELL SYSTEM TECHNICAL JOURNAL,
1938, 17
:281-291
[10]
NORWINE AC, 1074 BELL SYST MON