| |||
正交-正交相移键控 (卫星通信中的一种开关式载波调制方式) |
quadrature- quadrature phase shift keying : 44 phrases in 9 subjects |
Air defense | 2 |
Aviation | 1 |
Communications | 2 |
Electronics | 15 |
Geophysics | 1 |
Information technology | 4 |
Space | 7 |
Technology | 2 |
Telecommunications | 10 |