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Alternative “Bases” for Gradient-Based Optimization of Parameterized FM Radar Waveforms | IEEE Conference Publication | IEEE Xplore

Alternative “Bases” for Gradient-Based Optimization of Parameterized FM Radar Waveforms


Abstract:

Even for a fixed time-bandwidth product there are infinite possible spectrally-shaped random FM (RFM) waveforms one could generate due to their being phase-continuous. Mo...Show More

Abstract:

Even for a fixed time-bandwidth product there are infinite possible spectrally-shaped random FM (RFM) waveforms one could generate due to their being phase-continuous. Moreover, certain RFM classes rely on an imposed basis-like structure scaled by underlying parameters that can be optimized (e.g. gradient-descent and greedy search have been demonstrated). Because these structures must include oversampling with respect to 3-dB bandwidth to account for sufficient spectral roll-off (necessary to be physically realizable in hardware), they are not true bases (i.e. not square). Therefore, any individual structure cannot represent all possible waveforms, with the waveforms generated by a given structure tending to possess similar attributes. Here we examine these attributes for some particular design structures, which may inform their selection for given radar applications.
Date of Conference: 01-05 May 2023
Date Added to IEEE Xplore: 21 June 2023
ISBN Information:
Conference Location: San Antonio, TX, USA

Funding Agency:


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