1) эхо
2) тлв повторное (паразитное) изображение, "повтор"
3) отражённый сигнал, эхо-сигнал, эхо || отражать
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- angel echoes
- artificial echo
- back echo
- chaff echo
- clutter echo
- coherent echo
- decoy echo
- delayed echo
- dot echoes
- earth echo
- false echo
- fixed echo
- flutter echo
- fog echo
- ghost echo
- ground echo
- lightning echo
- multipath echo
- multiple echo
- permanent echo
- precipitation echo
- radar echo
- radio echo
- radio meteor-burst echo
- radio meteor echo
- rain echo
- residual echo
- returning echo
- sea echo
- secondary echo
- side echo
- simulated echo
- spread echo
- storm echoes
- target echo
- terrain echo
- transient echo
- unwanted echo