ESA Data Ontology: ESADO: SENTINEL-1 C-SAR

Instruments > Earth Remote Sensing Instruments > Active Remote Sensing > Imaging Radars > SENTINEL-1 C-SAR

SENTINEL-1 C-SAR

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. Group: Instrument_Details Entry_ID: SENTINEL-1 C-SAR Group: Instrument_Identification Instrument_Category: Earth Remote Sensing Instruments Instrument_Class: Active Remote Sensing Instrument_Type: Imaging Radars Short_Name: SENTINEL-1 C-SAR End_Group Group: Associated_Platforms Short_Name: SENTINEL-1 End_Group Online_Resource: https://sentinel.esa.int/web/sentinel/sentinel-1-sar-wiki/-/wiki/Sentinel%20One/Instrument Creation_Date: 2015-02-05 End_Group (en)

2015-02-05 14:52:16.0 [mpmorahan] Insert Concept add broader relation (SENTINEL-1 C-SAR [1c53d85e-3792-4081-9748-192fd3140aa6,106721] - Imaging Radars [824070fa-da29-40fa-ba17-f3d60584bd4d,75765]);
2019-02-22 13:49:57.0 [mmorahan] insert WeightedRelation (id: null related concept uuid: c7279e54-f7c1-4ee7-a957-719d6021a3f6 relationship type: null relationship value: null generated by: null); insert WeightedRelation (id: null related concept uuid: 9940dbad-1a9a-4858-a0e8-af35b21277e2 relationship type: null relationship value: null generated by: null);
2019-03-28 12:55:37.0 [mmorahan] delete WeightedRelation (null); delete WeightedRelation (null);
2021-08-04 17:06:42.0 [sritz] insert AltLabel (id: null category: primary text: SENTINEL-1 C-SAR language code: en);

https://gcmd.earthdata.nasa.gov/kms/concept/1c53d85e-3792-4081-9748-192fd3140aa6

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ESA Data Ontology