microwave detector


Also found in: Dictionary.
Related to microwave detector: microwave motion detector

microwave detector

[′mī·krə‚wāv di‚tek·tər]
(electronics)
A device that can demonstrate the presence of a microwave by a specific effect that the wave produces, such as a bolometer, or a semiconductor crystal making a pinpoint contact with a tungsten wire.
Mentioned in ?
References in periodicals archive ?
In addition to fire detection and suppression capabilities, modern fire alarm/burglar alarm combos combine security cameras with passive infrared detectors, ultrasonic detectors, microwave detectors, photo-electric beam detectors, and glass breakage detectors.
The microwave detectors there can see unusual objects on the body or hidden under clothing, but are not as efficient as the full scanners.
The six-metre diameter, off-axis, millimeter-wave cosmology (the study of the entire universe) telescope will be used to study cosmic microwave background radiation - the remnant heat left over from the 'Big Bang' that still pervades the universe and is visible to microwave detectors as a uniform glow across the entire sky.
In the same spot, Frichter and his colleagues have placed microwave detectors that may glimpse higher-energy neutrinos that the photomultiplier tubes can't pick up.

Full browser ?