die- - dose
- Doppler detector
- Doppler direction finder
- Doppler drift
- Doppler effect
- Doppler enhancer
- Doppler filter
- Doppler filtering
- Doppler fuse
- Doppler imager
- Doppler imaging
- Doppler information
- Doppler lidar
- Doppler log
- Doppler measurement
- Doppler navigation
- Doppler passband
- Doppler positioning
- Doppler processor
- Doppler radar
- Doppler ranging
- Doppler receiver
- Doppler return
- Doppler sensitivity
- Doppler shift
- Doppler shift discrimination
- Doppler sidelobe
- Doppler signature
- Doppler sonar
- Doppler translation
- Doppler velocimeter
- Doppler visibility
- Doppler widening
- Doppler width
- Doppler(-beat) frequency
- Doppler(-beat) frequency
- Doppler(-shift) corrector
- Doppler(-shift) corrector
- Doppler(-shift) signal
- Doppler(-shift) signal
- Doppler(computer)system