Astronautics Vocabulary

The Astronautics Vocabulary is a glossary of terms that pertain to the science and technology of spaceflight. This alphabetical list can be navigated by clicking on the letters A-Z displayed on this page.

Definition of synthetic aperture radar (SAR)

Translation: radar à synthèse d'ouverture

Definition: A radar imaging instrument which provides a penetrating illumination of radio waves and is capable of imaging surfaces covered by clouds and haze. SAR images are constructed from a matrix where lines of constant distance or range intersect with lines of constant Doppler shift.

Other Definition: None

Synonym: None