VDL 2024

Ultra Wideband Surveillance Radar (2024)

2023 VDL Series

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Description: Ultra Wide Band Surveillance Radar is an emerging technology for detecting and characterizing targets and cultural features for military and geosciences applications. It is essential to have fine range and cross-range resolution to characterize objects near and under severe clutter. This Lecture is divided into five parts. 

  • The Early History of Battlefield Surveillance Radar: Battlefield surveillance from manned and unmanned aircraft, along with early experiments in fixed and moving target detection and foliage penetration are covered. 
  • UWB Phased Array Antenna: Wideband waveforms place a significant demand on the ESA design to maintain gain and sidelobe characteristics. Design of ESA systems with time delay steering and digital beamforming will be illustrated. 
  • UWB Synthetic Aperture Radar (SAR): A brief description of key UWB surveillance SAR systems will be provided, along with illustrations of the SAR image and fixed object detection capability. 
  • UWB Ground Moving Target Indication: Space time adaptive processing (STAP) has been used for over 20 years for detecting and tracking moving targets in clutter. This section will discuss an approach for increasing the bandwidth and maintaining geolocation accuracy with Along Track Interferometry. 
  • New research in Multi-mode Ultra-Wideband Radar: The last section of the lecture will illustrate new technologies that have promise for future multimode operation: simultaneous SAR and GMTI in a multichannel radar.
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