IEEE-Philadelphia Section Night
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WEBINAR
Date:Tuesday August 18, 2020
Time: 7 pm - 8 pm
Location: Virtual
Selection of Costas Arrays to Minimize
Cross-Interference:An Elementary Example
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Speaker: James K. Beard
Costas arrays are permutation matrices with an additional constraint that derives from using permutations of frequencies of tones in a radar or sonar waveform:in a matched filter, no more than one tone at a time will cross-correlate when there is a range or Doppler mismatch, which makes them ideal as a frequency-hop scheme.Here we address the real-world issue of multiple waveforms from similar platforms, such as cell phones communicating with the same tower:minimizing cross-interference between platforms.We show how this is done using two databases from IEEE DataPort, one of Costas arrays to order 1030 (DOI 10.21227/H21P42), and one of one of singular value decomposition of matrix forms of the Costas condition (DOI 10.21227/h498-px29).
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