| |||
| 移相键控/脉码调制 | |||
| 相移键控/脉码调制 | |||
| |||
| 移相键控/脉码调制 | |||
|
phase-shift keying/ pulse code modulation : 4 phrases in 2 subjects |
| Electronics | 3 |
| Geophysics | 1 |
| |||
| 移相键控/脉码调制 | |||
| 相移键控/脉码调制 | |||
| |||
| 移相键控/脉码调制 | |||
|
phase-shift keying/ pulse code modulation : 4 phrases in 2 subjects |
| Electronics | 3 |
| Geophysics | 1 |