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At a Glance
The following patents belong to a large portfolio of technologies specifically developed through CASA, the Center for Collaborative Adaptive Sensing of the Atmosphere.
The primary objective of CASA is to improve observations and forecasting of devastating weather such as flash floods, tornados, high winds, and hail by developing new paradigms for sensing the atmosphere. These near-surface events are often missed by the current S-band national radar observation network, NEXRAD, due to the Earth’s curvature, radar beam refraction and separation between radars.
To solve the coverage problem and minimize curvature effects, CASA proposed dense networks of short-range X-band, polarimetric, Doppler radars with an adaptive scanning strategy that could sit on existing infrastructure. The first test bed, or Integrated Project 1 (IP1), was established in southwestern Oklahoma, and consists of four X-band, polarimetric, Doppler radars with overlapping coverage.
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CASA, the Center for Collaborative Adaptive Sensing of the Atmosphere, was established as a prestigious National Science Foundation Engineering Center in 2003 with over $40 million in federal, university, industry, and state funding. The Center brought together a multidisciplinary group of engineers, computer scientists, meteorologists, sociologists, graduate and undergraduate students, as well as industry and government partners to conduct fundamental research, develop enabling technology, and deploy prototype engineering systems based on a new paradigm: Distributed Collaborative Adaptive Sensing (DCAS) networks.
As an NSF Engineering Research Center, CASA included four academic partners: the University of Massachusetts (lead institution), the University of Oklahoma, Colorado State University, and the University of Puerto Rico. Other collaborating academic institutions were the University of Delaware, the University of Virginia, McGill University, Indiana University of Pennsylvania and University of Colorado at Colorado Springs. Industry and government partners included: Vaisala, Raytheon, NOAA, EWR Weather Radar Systems, First RF Corporation, Paroscientific, Inc. and the National Research Institute for Earth Science and Disaster Prevention (NIED) of Japan.
IP Status: CASA Family of Patents
Reference No.: 09-069
Resolution Enhancement System (RES) for Networked Radars
US Utility Patent: US 8,462,040
Australia: AU 2010310752
Canada: CA 2,778,476
Europe: EP 2491418 (FR, DE, UK)
Reference No.: 08-043
A Networked Waveform System for Weather Radar Network
US Utility Patent: US 8,077,074
Australia: AU 2009246606
Canada: CA 2,723,754
Reference No.: 08-036
Dual Polarization Parameters Retrieval System Using a Parametric Time Domain Method – DPTDM
US Utility Patent: US 8,665,144
Australia: AU 2009244220
Canada: CA 2,723,720
Europe: EP 2286511 (FR, DE, UK)
Reference No.: 07-044
Parametric Time Domain Method for Ground Clutter Mitigation (PTDM)
US Utility Patent: US 7,652,614
Australia: AU 2008307362
Reference No.: 06-016
Dynamic and Adaptive Radar Tracking of Storms (DARTS)
US Utility Patent: US 7,843,378
Australia: AU 2009221931
Canada: CA 2,717,733
Last updated: May 2023