Subrefraction | Article about subrefraction by The Free Dictionary
Atmospheric refraction which is less than standard refraction.
A condition in which there is less than normal bending of a radar beam. This may be as a result of an abnormal vertical gradient of temperature and/or water vapor.
References in periodicals archive
causes shorter ranges for radars operating within such a layer; super-refraction would extend the range of radars, but targets would appear closer and at higher altitudes than actual.
The radio refractive environment can be classified into standard, subrefraction
, superrefraction, and ducting environments.