fixed-beam ceilometer

См. также в других словарях:

• ceilometer — /see lom i teuhr, si /, n. an automatic device for measuring and recording the height of clouds by projecting a modulated beam of light onto a cloud base, receiving the reflection of light through a photoelectric apparatus, and computing the… …   Universalium

• Ceilometer — A ceilometer is a device that uses a laser or other light source to determine the height of a cloud base. Ceilometers can also be used to measure the aerosol concentration within the atmosphere.Optical Drum Ceilometer* An optical drum ceilometer… …   Wikipedia

• Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… …   Wikipedia

• Weather radar — in Norman, Oklahoma with rainshaft …   Wikipedia