| 释义 |
ˈuplink
[up- 2.]
A communication link for transmissions from the earth to a satellite, weather balloon, etc. Freq. attrib.
1968W. M. Griggs AMSS Prototype Radiosonde (Rep. AD-680-409) 4 The radiosonde is designed to perform two functions... As a transponder, it must receive the uplink range tones. 1975Sci. Amer. June 127/1 Since its launch in late 1972 it has offered a repeater service open to all, with an uplink at two meters and a downlink at 10. 1982New Scientist 9 Sept. 682/1 These ‘uplink’ signals are at frequencies between 5·9 and 6·4 gigahertz. |