An instrument that relies on the interference of waves, particularly electromagnetic waves, from a common source such as a radar to measure the length or displacement of a target with an ambiguity tha
t is an integer multiple of the wavelength. See insar.
An arrangement of two or more separate telescopes placed at some distance from one another, each one receiving electromagnetic radiation (optical, infrared, or radio) from a celestial object and brou
ght together to form an interference pattern.
Measurement of the interference of waves, particularly electromagnetic waves, from a common source such as a radar, with the aim of obtaining information about the topography, velocity field and other
characteristics of the glacier surface. See insar.