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The Intelligent Transportation Institute at the University of Minnesota is developing a Cooperative Intersection Collision Avoidance System - Stop Sign Assist (CICAS-SSA) for rural intersections as an alternative to signalized intersections. When deployed, the system will provide a driver stopped at a thru-stop intersection information about the available gaps in the mainline road traffic stream....
Broadcasting of digital video signals uses large spectral area. In order to reduce the cost, broadcasters are optimizing their radio network. They build single frequency network (SFN). To maintain efficient quality of service (QoS) to the end user, accurate time synchronization and frequency syntonization is needed between transmitter sites. This function is now fulfilled with local GPS slaved clocks...
Tropospheric water vapor delay is the main error source limiting the accuracy of SAR interferometric measurements. In persistent scatterer interferometry (PSI), the presence of atmospheric effects increases the required data amount for PSI immensely, limiting the reaction time and applicability of the technique. On ENVISAT, water vapor products derived from the optical sensor MERIS may be used to...
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