Faster and Cheaper GPS Tech Has Big Implications for the Future of Transportation
The researchers’ innovation lies in how they combine GPS measurements with data from an inertial measurement unit, or IMU, which is an electronic device that can measure force and angular velocity. To make these two data points useful and precise, scientists have to figure out the integer number of signal wavelengths traveled between the satellite (in space) and the receiver (on Earth). The UCR team has found a way to clarify that integer number with many, many fewer computations. The upshot is that very precise GPS just got a lot faster, and a lot cheaper.
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