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CHEN Bin, LIU Guang-hu, ZANG Yong. Time Lag Feedback Chaos Synchronization and Its Advantage for Noise Reduction[J]. Journal of University of Electronic Science and Technology of China, 2005, 34(4): 452-455.
Citation: CHEN Bin, LIU Guang-hu, ZANG Yong. Time Lag Feedback Chaos Synchronization and Its Advantage for Noise Reduction[J]. Journal of University of Electronic Science and Technology of China, 2005, 34(4): 452-455.
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Time Lag Feedback Chaos Synchronization and Its Advantage for Noise Reduction

  • 1.

    School of Electronic Engineering,UEST of China Chengdu 610054

  • Received Date: 2004-11-10
  • Publish Date: 2005-08-15
  • Noise reduction is one of the key questions needed to be solved in chaos synchronization communication. The feedback synchronization of chaotic systems commonly is non-time-lag feedback synchronization. In this paper, we present a method of time lag feedback synchronization of chaotic systems. Taking Lorenz chaotic system as a example, we have proved the sufficient condition of synchronization stability by time lag feedback control method between driver system and response system, when driver system and response system are all Lorenz system. Then, taking the method of time lag feedback synchronization to eliminate noise effect, indicate that it is much better than common synchronization method. By simulating Lorenz system parameter modulation signal transmission through the channel existing noise, we can see the noise reduction advantage of time lag feedback chaos synchronization.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Time Lag Feedback Chaos Synchronization and Its Advantage for Noise Reduction

  • 1. School of Electronic Engineering,UEST of China Chengdu 610054
  • Received Date: 2004-11-10
  • Publish Date: 2005-08-15

Abstract: Noise reduction is one of the key questions needed to be solved in chaos synchronization communication. The feedback synchronization of chaotic systems commonly is non-time-lag feedback synchronization. In this paper, we present a method of time lag feedback synchronization of chaotic systems. Taking Lorenz chaotic system as a example, we have proved the sufficient condition of synchronization stability by time lag feedback control method between driver system and response system, when driver system and response system are all Lorenz system. Then, taking the method of time lag feedback synchronization to eliminate noise effect, indicate that it is much better than common synchronization method. By simulating Lorenz system parameter modulation signal transmission through the channel existing noise, we can see the noise reduction advantage of time lag feedback chaos synchronization.

CHEN Bin, LIU Guang-hu, ZANG Yong. Time Lag Feedback Chaos Synchronization and Its Advantage for Noise Reduction[J]. Journal of University of Electronic Science and Technology of China, 2005, 34(4): 452-455.
Citation: CHEN Bin, LIU Guang-hu, ZANG Yong. Time Lag Feedback Chaos Synchronization and Its Advantage for Noise Reduction[J]. Journal of University of Electronic Science and Technology of China, 2005, 34(4): 452-455.
shu

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