ISO TC 211 Geographic information/Geomatics Committee site

ISO/TC 211 Geolexica

Concept radar cross section”

Term ID

2200

source

ISO/TS 19159-3:2018, (E), 3.23

eng

radar cross section

measure of the capability of the object to scatter the transmitted radar power

Note 1 to entry: Radar cross section is calculated as `sigma = lim_(R ->oo) 4 pi R^2 (abs(E_s)^2) / (abs(E_i)^2)` where `sigma` is the radar cross section; `E_i` is the electric-field strength of the incident wave; `E_s` is the electric-field strength of the scattered wave at the radar with a distance `R` away from the target.

Note 2 to entry:  2 to entry: Radar cross section has the dimensions of area, with the unit of square metres. Usually, it is expressed in the form of a logarithm with the unit of dBsm as follows `sigma_(dBsm) = 10 log_(10) sigma`

ORIGIN: ISO/TC 211 Glossary of Terms - English (last updated: 2020-06-02)

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info

  • status: valid
  • classification: preferred
  • date accepted: 2018-05-01

Review

last review performed:
(2018-05-01)
status:
final
decision:
accepted
decision event:
Normal ISO processing
notes:
Publication of document ISO/TS 19159-3:2018(E)