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echo

echo

34 6.6
A signal that returns after bouncing off something, used by radar or television
  • noun
  • /ˈɛkoʊ/
  • Specialized
: eco
  • Look, these are echo soundings and deep vibration tests made in the fault area.
  • spin echo
  • echo integration
  • photon echo

Nyesh and his group did find an echo signal in the gravitational wave data.

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Examples

  • Our tracking station in Singapore reported faint echoes of this craft coming down in the Sea of Japan area.

  • Nyesh and his group did find an echo signal in the gravitational wave data.

  • Is there an echo on this phone?

  • The hook echo is huge.

  • Could be a satellite echo.

  • So this is the pulse echo combination.

  • Ping the wire and the pulse echo will tell you how far away it is.

  • Based on the Doppler shift of the returned echo, the water velocity can be mapped as a function of its position.

    Academic text (2004)
  • Separation of fish echoes from bottom echoes is subject to physical and operational limitations.

    Academic text (1994)
  • The technician analyzed the echo to ensure the signal was strong enough for reliable communication.

Synonyms

radar echo
vsecho
  • Specialized
1 6.0

A signal that bounces back to a radio device and shows where something is

is a broad reflected broadcast for television or radio not for object position detection

Compounds

echo chamber
  • Literature
14 7.3

A place where people only hear opinions like their own

echo chamber
  • Specialized
3 7.2

A room made to make sound bounce and create echoes

echo sounder
  • Specialized
1 5.3

A device that measures water depth by sending sound and timing the echo

radar echo
  • Specialized
1 6.0

A signal that bounces back to a radio device and shows where something is

echo sounding
  • Specialized
1 6.1

A way to find water depth and underwater objects by sending sound and measuring its return time

How Strong

echo
  • Specialized
34 6.6
backscattering
  • Specialized
1 7.8

Surface Forms

echo singular
echoes plural

Etymology

The word echo is used for radar or TV signals that 'return' after bouncing off an object, borrowing the same idea of a sound that comes back after hitting a surface.