GONG Xuhua, MENG Huadong, WEI Yimin, WANG Xiqin. Phase-modulated Waveform Design Using Maximum Mutual Information Criterion[J]. Chinese Journal of Electronics, 2012, 21(1): 190-194.
Citation: GONG Xuhua, MENG Huadong, WEI Yimin, WANG Xiqin. Phase-modulated Waveform Design Using Maximum Mutual Information Criterion[J]. Chinese Journal of Electronics, 2012, 21(1): 190-194.

Phase-modulated Waveform Design Using Maximum Mutual Information Criterion

  • Received Date: 2010-11-01
  • Rev Recd Date: 2011-07-01
  • Publish Date: 2012-01-05
  • The optimal radar waveform for target information extraction had been derived to be the waterfilling solution using maximum Mutual information (MI) criterion, however, the optimal waveform is not a constantenvelop signal. In order to make full use of the system radiated power, a phase-iterative method to design the constant-envelop phase-modulated waveform is proposed. By minimizing the Euclidean distance between the designed waveform and the optimal one, the proposed method can achieve a small MI loss. The results of extensive simulations demonstrate that the MI loss of our approach can be less than 0.5nat when the signal duration is greater than 1μs.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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