Last Updated：2025/12/07
(chiefly meteorology) A radar system using the Doppler effect to measure the radial velocity of detected objects, allowing moving objects (such as airplanes, precipitation, missiles, etc.) to be distinguished from stationary ones and classified by magnitude and direction of their velocity towards or away from the radar site.
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Doppler radar
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Source Word
Doppler radar
Noun
countable
uncountable
(chiefly
meteorology)
A
radar
system
using
the
Doppler
effect
to
measure
the
radial
velocity
of
detected
objects,
allowing
moving
objects
(such
as
airplanes,
precipitation,
missiles,
etc.)
to
be
distinguished
from
stationary
ones
and
classified
by
magnitude
and
direction
of
their
velocity
towards
or
away
from
the
radar
site.
Japanese Meaning
ドップラー効果を利用し、対象物の放射方向の速度（進行方向または後退方向）を計測するレーダーシステム。これにより、航空機、降水、ミサイルなどの動いている物体と静止している物体を区別し、それぞれの速度の大きさや方向に基づいて分類する。
Sense（1）
(chiefly
meteorology)
A
radar
system
using
the
Doppler
effect
to
measure
the
radial
velocity
of
detected
objects,
allowing
moving
objects
(such
as
airplanes,
precipitation,
missiles,
etc.)
to
be
distinguished
from
stationary
ones
and
classified
by
magnitude
and
direction
of
their
velocity
towards
or
away
from
the
radar
site.
（ plural ）
