ASAR
type: Concept
in scheme: ESA Data Ontology
definition: An Advanced Synthetic Aperture Radar (ASAR), operating at C-band, ASAR ensures continuity with the image mode (SAR) and the wave mode of the ERS-1/2 AMI. It features enhanced capability in terms of coverage, range of incidence angles, polarisation, and modes of operation. This enhanced capability is provided by significant differences in the instrument design: a full active array antenna equipped with distributed transmit/receive modules which provides distinct transmit and receive beams, a digital waveform generation for pulse "chirp" generation, a block adaptive quantisation scheme, and a ScanSAR mode of operation by beam scanning in elevation.

Envisat
type: Concept
notation: EN1

ASAR
type: Concept

Imaging Radars
type: Concept

ESA Data Ontology
type: ConceptScheme
type: Ontology