| |||
| espetro de modulação | |||
|
modulation spectrum : 8 phrases in 3 subjects |
| Communications | 1 |
| Radio | 3 |
| Satellite communications | 4 |
| |||
| espetro de modulação | |||
|
modulation spectrum : 8 phrases in 3 subjects |
| Communications | 1 |
| Radio | 3 |
| Satellite communications | 4 |