共 5 条
[1]
DIRECT-COUPLED-RESONATOR FILTERS
[J].
PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1957, 45 (02)
:187-196
[2]
ALIGNMENT AND ADJUSTMENT OF SYNCHRONOUSLY TUNED MULTIPLE-RESONANT-CIRCUIT FILTERS
[J].
PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1951, 39 (11)
:1448-1455
[3]
Dyar T. G., 1961, ETHNOMUSICOLOGY, V5, P130
[5]
RAGAN GL, 1948, MICROWAVE TRANSMISSI, P551