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• W3040204436 abstract "In this letter, an orthogonal frequency-division multiplexing (OFDM) chirp waveform diversity design scheme is proposed to achieve better correlation properties. First, the subchirp duration and bandwidth are optimized simultaneously to increase the degree of freedom in waveform diversity. Second, an optimization procedure is proposed based on the idea of Gram-Schmidt orthogonalization. To reduce the problem complexity, the design problem is separated into several subproblems. Each subproblem corresponds to designing an OFDM chirp composite waveform and is optimized by the Pareto optimization framework. Simulation results show that the proposed method outperforms the conventional methods in terms of both autocorrelation peak sidelobe level (APSL) and cross correlation peak level (CPL) under the circumstance of the same mainlobe width." @default.
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• W3040204436 date "2021-09-01" @default.
• W3040204436 modified "2023-09-26" @default.
• W3040204436 title "A Method of Improving the Correlation Properties of OFDM Chirp Waveform Diversity" @default.
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• W3040204436 doi "https://doi.org/10.1109/lgrs.2020.3003739" @default.
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