Synthetic Aperture Radar Processing

Synthetic aperture radar (SAR) is a powerful tool capable of producing high-resolution imagery day or night and in all weather conditions. It is the only 24/7 remote sensing imaging system. Unlike conventional imaging modalities, SAR systems require data processing to form the final image.

INO has developed a compact, lightweight real-time optronic synthetic aperture radar processor that combines optical and digital techniques for ultrafast generation of SAR images. The speed of the optronic processor is faster than the rate of data acquisition so that there is no bottleneck, and SAR images can be generated in real time. What’s more, it has the smallest ratio of power consumption to processing speed of any digital SAR processor. All these factors combine to make it ideal for on-board processing of SAR data. The optronic processor is not only the best choice for spaceborne and airborne platforms that have restrictions on downlink bandwidth, but also for operational missions where image timeliness is critical.

Our expertise: Optronic processing

  • Ultrafast SAR image generation

  • Low power consumption 

  • Lightweight

  • Compact
  • Reconfigurable

  • No moving parts

Our strength: Our flexibility

By combining our expertise in the optical and digital domains, we can provide the fastest processing rate while maintaining excellent image quality.

Fields of application:

  • Defense & security

  • Reconnaissance

  • GMTI

  • Tactical UAV

  • Ship detection

  • Disaster monitoring

  • Terrain mapping

  • FOPEN

  • Interplanetary exploration

  • Ice monitoring

Plus…

Optronic SAR processing also offers free image upsampling—that is, it provides the final image with higher spatial sampling, but without slowing down processing time. Higher image sampling means easier image interpretability and feature detection.

Extended capabilities of optronic processing include look-angle adaptability, higher-order phase correction, and interferometric processing, all performed in real time using the same SAR processor without moving parts. What’s more, optronic processing can be adapted for other synthetic aperture imaging systems, such as lidar, terahertz, or sonar. 

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