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Advanced Algorithm for Radar Derived Bathymetry

SBIR-Funded Company, Areté, Successfully Demonstrates New Signal Processing Approach

Areté was founded by five scientists in 1976, tasked to help solve the challenge of detecting weak signals in heavy ocean clutter. The signals involved in this work were so weak that any advancement in signal processing algorithms demanded a new approach. For this challenge, Areté’s founders applied “first principles” method of problem solving that starts with assessing the fundamental truths about the materials and science at hand so as to make better decisions. Today, Areté works across the electromagnetic spectrum. We develop sensors and the associated signal processing algorithms necessary for the extraction and interpretation of data for systems operating underwater, on the ground, and in air and space

Areté’s Radar Derived Bathymetry effort successfully demonstrated the utility of real-time, continuously updated bathymetric maps. In April 2017, with the help of Oregon State University and the Office of Coast Survey, we performed a technology demonstration whereby real-time marine X-band radar data was collected at Newport, Oregon. The data was automatically uploaded into Amazon’s Computing Cloud, where Areté algorithms performed bathymetric and water level estimations, as well as time-series averaging. The results were updated and displayed in real-time on a public webpage. This technology represents a low-cost, automatic, real-time solution for monitoring channels and shoals near dynamic inlets and harbors.


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