Radar 音标拼音: [r'ed
, ɑr]
n . 雷达,电波探测器
雷达,电波探测器
radar 雷达
radar n 1 :
measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects [
synonym : {
radar }, {
microwave radar }, {
radio detection and ranging }, {
radiolocation }]
radar \
ra "
dar \ (
r [=
a ]"
d [
aum ]
r ),
n . [
acronym from RAdio Detection And Ranging .]
1 .
An electronic device designed to detect objects at a distance ,
and determine their distance from the device ,
by transmitting a pulse of radio waves and measuring the time required for the echo of the pulse to return to the emitting device ;
as ,
the radar showed a plane approaching rapidly .
For more information of radar ,
see the article What is Radar ?. [
acronym ]
[
PJC ]
2 .
The method of detecting objects ,
finding their distance ,
or determining their speed ,
by use of a radar [
1 ]
device ;
as ,
modern radar can detect objects as small as raindrops .
[
PJC ]
92 Moby Thesaurus words for "
radar ":
AA radar ,
AFC ,
AFC mixer ,
CRT ,
CW oscillator ,
MAD radar ,
Navaglobe ,
Oboe ,
TR switch ,
TR unit ,
VAR ,
Volscan ,
altimeter ,
amplifier ,
analyzer ,
astronavigation ,
automatic electronic navigation ,
automation ,
avionics ,
cascade screen ,
cathode -
ray tube ,
celestial navigation ,
chronometer ,
coastwise navigation ,
consolan ,
dead reckoning ,
demodulator ,
detector ,
discriminator ,
early -
warning radar ,
electron microscopy ,
electron optics ,
electron physics ,
electronic engineering ,
electronic navigation ,
electronics ,
electrophysics ,
fix ,
frequency meter ,
gun -
directing radar ,
hard -
tube pulser ,
indicator ,
interception radar ,
limiter ,
line of position ,
local oscillator ,
long -
range radar ,
loran ,
magnetron ,
microwave mixer ,
mixer ,
modulator ,
navar ,
navigation ,
network pulser ,
omnidirectional range ,
omnirange ,
oscillator ,
overlapping ,
panoramic radar ,
photoelectricity ,
pilotage ,
plane sailing ,
point -
to -
point navigation ,
potentiometer ,
pulse generator ,
radar telescope ,
radio ,
radio beacon ,
radio navigation ,
radionics ,
range -
sweep amplifier ,
range -
sweep generator ,
receiver ,
screen ,
second detector ,
sextant ,
shoran ,
sofar ,
sonar ,
square -
wave generator ,
synchronizer ,
tables ,
tacan ,
teleran ,
television ,
timing unit ,
tracker ,
transistor physics ,
transmitter ,
trigatron ,
visual -
aural range
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Portland, OR Weather Radar | AccuWeather Portland, OR Radar Map - The Weather Channel | Weather. com Portland Weather Radar | Portland, Oregon | kgw. com Portland Oregon Weather Radar | KOIN. com Interactive Radar - KPTV Local Weather Radar - Portland, OR Portland Radar | News, Weather, Sports, Breaking News - KATU Portland, OR Animated Weather Radar - WeatherWorld. com Weather Radar | Portland, OR 97225 - raindrop. farm Portland, Oregon Doppler Radar | Hourly Forecast | NWS Alerts | Maps . . .