skos:altLabel | - Doppler
- radar
- Doppler effect
- doppler
- doppler radar
- Doppler technique
- Pulse-Doppler
- Doppler signals
- Dopplar
- Doppler RADAR
- Doppler Radar
- Doppler beacons
- Doppler filtering
- Doppler navigation
- Doppler navigation radar
- Doppler navigational radar
- Doppler velocity
- Doppler_radar#History
- doppler RADAR
- doppler navigation
- doppler navigation radar
- doppler ranging radar
- doppler tracking radar
- landing radar
- microwave Doppler tracking
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