共 50 条
- [1] VOICE FREQUENCY TELEGRAPH TRANSMISSION-SYSTEM WT1000D, A NEW TELEGRAPH AND DATA-TRANSMISSION SYSTEM SIEMENS ZEITSCHRIFT, 1977, 51 (07): : 512 - 517
- [2] VOICE FREQUENCY TELEGRAPH TRANSMISSION SYSTEM WT1000D, A NEW TELEGRAPH AND DATA TRANSMISSION SYSTEM. 1978, 45 (02): : 64 - 69
- [3] PRESHIFT MECHANICAL FILTER FOR VOICE FREQUENCY TELEGRAPH TRANSMISSION-SYSTEM IEEE TRANSACTIONS ON SONICS AND ULTRASONICS, 1980, 27 (03): : 142 - 142
- [9] TIME-DIVISION MULTIPLEX SYSTEM ZD 1000-C1 FOR TELEGRAPH AND DATA-TRANSMISSION SIEMENS REVIEW, 1978, 45 (06): : 274 - 277
- [10] TRANSMISSION-SYSTEM PCM-30-D FOR DIGITAL DATA-TRANSMISSION NETWORK NACHRICHTENTECHNISCHE ZEITSCHRIFT, 1977, 30 (02): : 149 - 155