- earth backscatter
- обратное рассеяние от земной поверхности
Большой англо-русский и русско-английский словарь. 2001.
earth backscatter
Смотреть что такое "earth backscatter" в других словарях:
backscatter — i. A form of ionospheric propagation of electromagnetic waves via the E and F layers. These layers are highly ionized and have properties of reflecting electromagnetic waves back to the earth. Normally, almost all electromagnetic signals are… … Aviation dictionary
Full body scanner — Backscatter x ray image of TSA Security Laboratory Director Susan Hallowell. A full body scanner is a device that creates an image of a person s nude body through their clothing to look for hidden objects without physically removing their clothes … Wikipedia
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Clutter (radar) — Clutter is a term used for unwanted echoes in electronic systems, particularly in reference to radars. Such echoes are typically returned from ground, sea, rain, animals/insects, chaff and atmospheric turbulences, and can cause serious… … Wikipedia
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Ionosphere — The ionosphere is a part of the upper atmosphere, comprising portions of the mesosphere, thermosphere and exosphere, distinguished because it is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner … Wikipedia
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Scatterometer — A radar scatterometer is designed to determine the normalized radar cross section (sigma 0) of the surface. Scatterometers operate by transmitting a pulse of microwave energy towards the Earth s surface and measuring the reflected energy. A… … Wikipedia
LIDAR — A FASOR used at the Starfire Optical Range for LIDAR and laser guide star experiments is tuned to the sodium D2a line and used to excite sodium atoms in the upper atmosphere … Wikipedia
