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Signal waveform design for multi-carrier radio detector

MA An-ying

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Abstract

Aim To realize optimal design of signal waveform for the orthogonal frequency division multiplexing(OFDM) multi-carrier target detection device(TDD).Methods The model and ambiguity function of the transmitting signal of OFDM multi-carrier TDD are set up and derived respectively. According to the performance of TDD, two rules for the signal waveform design are proposed and the signal is designed and analyzed by computer simulation.Results The optimal design of signal waveform for the orthogonal frequency division multiplexing(OFDM) multi-carrier target detection devicd(TDD) was realized.Conclusion The OFDM signals with a generalized chirp-like sequence(P4), a generalized poly-phase barker sequence and a poly-phase Golomb sequence exhibit thumbtack ambiguity function, their peak-to-average power ratios can be maintained below 2, which are the optimal signals for OFDM multi-carrier TDD.

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What this paper is about

Aim To realize optimal design of signal waveform for the orthogonal frequency division multiplexing(OFDM) multi-carrier target detection device(TDD).Methods The model and ambiguity function of the transmitting signal of OFDM multi-carrier TDD are set up and derived respectively. According to the performance of TDD, two rules for the signal waveform design are proposed and the signal is designed and analyzed by computer simulation.Results The optimal design of signal waveform for the orthogonal frequency division multiplexing(OFDM) multi-carrier target detection devicd(TDD) was realized.Conclusion The OFDM signals with a generalized chirp-like sequence(P4), a generalized poly-phase barker sequence and a poly-phase Golomb sequence exhibit thumbtack ambiguity function, their peak-to-average power ratios can be maintained below 2, which are the optimal signals for OFDM multi-carrier TDD.

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Available abstract

Aim To realize optimal design of signal waveform for the orthogonal frequency division multiplexing(OFDM) multi-carrier target detection device(TDD).Methods The model and ambiguity function of the transmitting signal of OFDM multi-carrier TDD are set up and derived respectively. According to the performance of TDD, two rules for the signal waveform design are proposed and the signal is designed and analyzed by computer simulation.Results The optimal design of signal waveform for the orthogonal frequency division multiplexing(OFDM) multi-carrier target detection devicd(TDD) was realized.Conclusion The OFDM signals with a generalized chirp-like sequence(P4), a generalized poly-phase barker sequence and a poly-phase Golomb sequence exhibit thumbtack ambiguity function, their peak-to-average power ratios can be maintained below 2, which are the optimal signals for OFDM multi-carrier TDD.

Key concepts: Orthogonal frequency-division multiplexing, Ambiguity function, Waveform, Electronic engineering, SIGNAL (programming language), Chirp, Computer science, Multiplexing

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