- radar reflectivity
- 雷达反射率
Atmospheric Sciences (English-Chinese) dictionary. 2014.
radar reflectivity
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Radar cross section — (RCS) is a measure of how detectable an object is with a radar. For example a stealth aircraft (which is designed to be undetectable) will have design features that give it a low RCS, as opposed to a passenger airliner that will have a high… … Wikipedia
Radar MASINT — is one of the subdisciplines of Measurement and Signature Intelligence (MASINT) and refers to intelligence gathering activities that bring together disparate elements that do not fit within the definitions of Signals Intelligence (SIGINT),… … Wikipedia
Radar Météorologique — Un radar météorologique est un type de radar utilisé en météorologie pour repérer les précipitations, calculer leur déplacement et déterminer leur type (pluie, neige, grêle, etc.). La structure tridimensionnelle des données obtenues permet… … Wikipédia en Français
Radar meteorologique — Radar météorologique Un radar météorologique est un type de radar utilisé en météorologie pour repérer les précipitations, calculer leur déplacement et déterminer leur type (pluie, neige, grêle, etc.). La structure tridimensionnelle des données… … Wikipédia en Français
Radar absorbent material — Radar absorbent material, or RAM, is a class of materials used in stealth technology to disguise a vehicle or structure from radar detection. A material s absorbency at a given frequency of radar wave depends upon its composition. RAM cannot… … Wikipedia
Reflectivity range — is the term used in X ray reflectometry and several other radar related or emission related sciences to describe the range at which reflected emissions become indecipherable due to the reflection angle and/or range … Wikipedia
Radar météorologique — Un radar météorologique est un type de radar utilisé en météorologie pour repérer les précipitations, calculer leur déplacement et déterminer leur type (pluie, neige, grêle, etc.). La structure tridimensionnelle des données obtenues permet… … Wikipédia en Français
Reflectivity — In photometry and heat transfer, reflectivity is the fraction of incident radiation reflected by a surface. In full generality it must be treated as a directional property that is a function of the reflected direction, the incident direction, and … Wikipedia
Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll … Wikipedia
radar cross section — The measure of reflectivity of the received radar signals by an aircraft, it is expressed as square meters (m2 ). It is dependent on the true size, range, aspect, geometric shape, materials, surface texture, and other properties of the target… … Aviation dictionary
Weather radar — in Norman, Oklahoma with rainshaft … Wikipedia
