共 11 条
[2]
Culshaw W., 1960, IRE T MICROWAVE THEO, V8, P182, DOI DOI 10.1109/TMTT.1960.1124721
[3]
MASER - NEW TYPE OF MICROWAVE AMPLIFIER, FREQUENCY STANDARD, AND SPECTROMETER
[J].
PHYSICAL REVIEW,
1955, 99 (04)
:1264-1274
[5]
JORDAN WH, 1948, MR, V23
[8]
RAMSEY NF, 1960, P 14 ASFC