An overview of the Synthetic Aperture Radar toolset

Available with Image Analyst license.

The Synthetic Aperture Radar toolset contains tools that correct, process, and enable analysis of SAR data.

ToolDescription

Apply Geometric Terrain Correction

Orthorectifies the input synthetic aperture radar (SAR) data using a range-Doppler backgeocoding algorithm.

Apply Orbit Correction

Updates the orbital information in the synthetic aperture radar (SAR) dataset using a more accurate orbit state vector (OSV) file.

Apply Radiometric Calibration

Converts the input synthetic aperture radar (SAR) reflectivity into physical units of normalized backscatter by normalizing the reflectivity using a reference plane.

Apply Radiometric Terrain Flattening

Corrects the input synthetic aperture radar (SAR) data for radiometric distortions due to topography.

Compute SAR Indices

Computes various SAR indices, such as Radar Vegetation Index (RVI), Radar Forest Degradation Index (RFDI), and Canopy Structure Index (CSI).

Convert SAR Units

Converts the scaling of the input synthetic aperture radar (SAR) data between amplitude and intensity, between linear and decibels (dB), and between complex and intensity.

Create Color Composite

Creates a three-band raster dataset from a multiband raster dataset.

Despeckle

Corrects the input synthetic aperture radar (SAR) data for speckle, which is a result of coherent illumination that resembles a grainy or salt and pepper effect.

Detect Bright Ocean Objects

Detects potential bright human-made objects—such as ships, oil rigs, and windmills—while masking out the synthetic aperture radar (SAR) data outside the region of interest.

Detect Dark Ocean Areas

Identifies potential dark pixels belonging to oil spills or algae, and clusters these pixels, while masking out the synthetic aperture radar (SAR) data outside the region of interest.

Download Orbit File

Downloads the updated orbit files for the input synthetic aperture radar (SAR) data.

Multilook

Averages the input synthetic aperture radar (SAR) data by looks in range and azimuth to approximate square pixels, mitigate despeckle, and reduce SAR tool processing time.

Remove Thermal Noise

Corrects backscatter disturbances caused by thermal noise in the input synthetic aperture radar (SAR) data, resulting in a more seamless image.

Tools in the Synthetic Aperture Radar toolset

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