Changes for page Processing levels

Last modified by Tuan Le on 2019/05/21 14:20
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From version < 2.1 >
edited by Claudio Navacchi
on 2018/10/03 11:21
To version < 3.1
edited by Tuan Le
on 2019/05/21 14:20
Change comment: There is no comment for this version

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12 12  [[**Sentinel-1 Level-1**>>url:https://sentinel.esa.int/web/sentinel/user-guides/sentinel-1-sar/product-types-processing-levels/level-1]] focused data are the products intended for most data users and form a baseline product from which Level-2 products are derived. The processing steps involved to produce Level-1 data products include pre-processing, Doppler centroid estimation, single look complex focusing, and image and post-processing for generation of the SLC (Single Look Complex) and GRD (Ground Range) products as well as mode specific processing for assembling of multiple sub-swath products.
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14 -* Level-1** Single Look Complex** (SLC) products consist of focused SAR data, geo-referenced using orbit and attitude data from the satellite, and provided in slant-range geometry. Slant range is the natural radar range observation coordinate, defined as the line-of-sight from the radar to each reflecting object. The products are in zero-Doppler orientation where each row of pixels represents points along a line perpendicular to the sub-satellite track.
14 +* Level-1** Single Look Complex** (SLC) products consist of focused SAR data, geo-referenced using orbit and attitude data from the satellite, and provided in slant-range geometry. Slant range is the natural radar range observation coordinate, defined as the line-of-sight from the radar to each reflecting object. The products are in zero-Doppler orientation where each row of pixels represents points along a line perpendicular to the sub-satellite track.
15 15  * Level-1 **Ground Range Detected **(GRD) products consist of focused SAR data that has been detected, multi-looked and projected to ground range using the Earth ellipsoid model WGS84. The ellipsoid projection of the GRD products is corrected using the terrain height specified in the product general annotation. The terrain height used varies in azimuth but is constant in range (but can be different for each IW/EW sub-swath).
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