(рлк.) доплерівський ехоіндикатор
Doppler effect / Doppler shift
echo location/echo ranging
instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)
Doppler effect alarm
doppler frequency shift
pulse Doppler radar
Doppler navigation
Doppler navigator
Doppler radar
pulse-Doppler locator
Doppler beam sharpening (DBS)
Doppler processor
pulse-Doppler single target track mode
pulse-repetition frequency ranging Doppler radar
Doppler-inertial guidance navigational and attack system
Doppler null
pulse Doppler
pulse Doppler jamming
range gate pulse Doppler radar
E – ECHO
echo (returned signal)
echo depth finder
echo sounder
echo sounding
bottom echo
bottom echo signal
coherent echo
coherent echo modulation and detection
echo area
echo frequency
echo intensity
mirror-reflection echo