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| frequency agility | |||
| frequency hopping; frequency jump; hopping frequency; frequency hopping | |||
| sudden change in frequency | |||
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| frequency shift in keying | |||
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| radar frequency agility | |||
| Frequenzsprung: 4 phrases in 4 subjects |
| Communications | 1 |
| Electronics | 1 |
| Radio | 1 |
| Technology | 1 |