1. https://terra-vocabulary.org/ncl
  2. FAIR-Incubator
  3. earthsciencesensors
  4. _c_ad89b099
experimental

Entrée : C-SAR - montrer la version 3

URI: https://terra-vocabulary.org/ncl/FAIR-Incubator/earthsciencesensors/c_ad89b099

The C-SAR instrument is an active phased array antenna providing fast scanning in elevation (to cover the large range of incidence angle and to support ScanSAR operation) and in azimuth (to allow use of TOPS technique to meet the required image performance). To meet the polarisation requirements, it has dual channel transmit and receive modules and H/V-polarised pairs of slotted waveguides. It has an internal calibration scheme, where transmit signals are routed into the receiver to allow monitoring of amplitude/phase to facilitate high radiometric stability. SENTINEL-1's metallised carbon-fibre-reinforced-plastic radiating waveguides ensure good radiometric stability even though these elements are not covered by the internal calibration scheme. The digital chirp generator and selectable receive filter bandwidths allow efficient use of on-board storage considering the ground range resolution dependence on incidence angle.

Métadonnées principales

est un Concept | Sensor
modifié le 1 Dec 2023 10:43:54.341
soumis parViqui Agazzi
accepté le 29 Sep 2022 09:14:26.556

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date accepted 29 Sep 2022 09:14:26.556
date submitted 29 Sep 2022 09:11:15.067
definition
entity C-SAR
source graph graph

item class Concept | Sensor
label C-SAR
modified 1 Dec 2023 10:43:54.341
notation c_ad89b099
register earthsciencesensors
status status experimental
submitter
account name victoria.agazzi@teledetection.fr
name Viqui Agazzi

type register item
version info 3
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Définition

alt label C-Band Synthetic Aperture Radar
broader Imaging Radars
definition The C-SAR instrument is an active phased array antenna providing fast scanning in elevation (to cover the large range of incidence angle and to support ScanSAR operation) and in azimuth (to allow use of TOPS technique to meet the required image performance). To meet the polarisation requirements, it has dual channel transmit and receive modules and H/V-polarised pairs of slotted waveguides. It has an internal calibration scheme, where transmit signals are routed into the receiver to allow monitoring of amplitude/phase to facilitate high radiometric stability. SENTINEL-1's metallised carbon-fibre-reinforced-plastic radiating waveguides ensure good radiometric stability even though these elements are not covered by the internal calibration scheme. The digital chirp generator and selectable receive filter bandwidths allow efficient use of on-board storage considering the ground range resolution dependence on incidence angle.
exact match ed400e7c 229e 48be 9a93 84f2fc864448
label C-SAR
pref label C-SAR
type Concept | Sensor