共 24 条
- [1] Transmitted frequency range for circuits in broad-band systems [J]. BELL SYSTEM TECHNICAL JOURNAL, 1937, 16 : 487 - 492
- [2] Carrier systems on long distance telephone lines [J]. BELL SYSTEM TECHNICAL JOURNAL, 1928, 7 (03): : 564 - 629
- [3] Black H., 1934, ELECTRON ENG, V53, P114
- [4] BLECHER FH, 1957, T IRE, VCT4, P145
- [5] BODE HW, 1945, NETWORK ANALYSIS FEE, P66
- [6] BODE HW, 1945, NETWORK ANALYSIS FEE, P39
- [7] The evolution of the crystal wave filter [J]. JOURNAL OF APPLIED PHYSICS, 1937, 8 (01) : 40 - 47
- [9] Recent trends in toll transmission in the United States [J]. BELL SYSTEM TECHNICAL JOURNAL, 1937, 16 : 119 - 143
- [10] CRANE RE, 1947, T AIEE, V66, P1451