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Applied Mathematics Colloquium: Margaret Cheney

Margaret Cheney, Department of Mathematics atÌýColorado State University, will talk, "Passive Source Localization"

This talk introduces the problem of localizing electromagnetic sources from measurements of their radiated fields at two moving sensors.Ìý Ìý

Two approaches are discussed, the first based on measuring quantities known as “time difference of arrivals“ and “frequency difference of arrivalsâ€�.ÌýThis approach leads to some interesting geometrical problems.ÌýÌý

The second approach, a synthetic-aperture approach, is more promising but also involves some unsolved problems.Ìý Ìý

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