共 4 条
[1]
Performance tests of radio system of landing aids
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PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1934, 22 (01)
:120-121
[2]
Performance tests of radio system of landing aids
[J].
BUREAU OF STANDARDS JOURNAL OF RESEARCH,
1933, 11 (4/6)
:463-490
[3]
A radio beacon and receiving systems for blind landing of aircraft
[J].
PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1931, 19 (04)
:0585-0626
[4]
DIAMOND H, 1930, BUR STAND J RES, V5, P897