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- W4313648853 abstract "We devise effective and efficient gradient based methods to design low-bit, including binary (one-bit per sample, or 1b) and quaternary (two-bit per sample, or 2b), discrete-phase sequences without or with low correlation zone (LCZ) requirements. We determine proper step sizes needed by the gradient based algorithms to monotonically decrease the optimization metric via efficient line search techniques for aperiodic and periodic low-bit discrete-phase sequence designs. Moreover, we introduce approximate gradient based approaches to reduce the autocorrelation sidelobes when the desired LCZ is relatively large. Numerical examples are provided to show that the proposed gradient based algorithms can outperform the state-of-the-art algorithms for designing 1b and 2b sequences with good autocorrelation properties." @default.
- W4313648853 created "2023-01-07" @default.
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- W4313648853 date "2023-06-01" @default.
- W4313648853 modified "2023-09-30" @default.
- W4313648853 title "Effective and efficient gradient based methods for low-bit discrete-phase sequence designs" @default.
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- W4313648853 doi "https://doi.org/10.1016/j.sigpro.2023.108929" @default.
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