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Research on Frequency Automatically Switching Technology for China Highway Traffic Radio

  • Lei Cai
  • Zhong-teng Yu
  • Chun-lei Meng
Conference paper
Part of the Smart Innovation, Systems and Technologies book series (SIST, volume 63)

Abstract

Based on the strictly investigate of worldwide researches on traffic radio, this paper presents the differences among China Highway Traffic Radio(CHTR), traditional traffic radio and network broadcast. Data transmitting technology over subcarrier is studied first. Since China Highway Traffic Radio is faced with multi-frequency problem in different region, the mainly research is to development frequency automatically switching technology. The FM receiver design and experiment are shown in the paper. The experiment result indicates that the FM receiver can automatically switch its frequency when necessary. At last, the conclusion present the significance of this research on promoting China Highway Traffic Radio and raising listeners’ feeling and safety.

Keywords

Information service China Highway Traffic Radio Data Radio Frequency automatically switch 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Lei Cai
    • 1
    • 2
  • Zhong-teng Yu
    • 1
    • 2
  • Chun-lei Meng
    • 1
    • 2
  1. 1.National Center of ITS Engineering and Technology, Research Institute of Highway, M.O.THaidian District, BeijingPeople’s Republic of China
  2. 2.Key Laboratory of Intelligent Transportation Systems Technologies, M.O.THaidian District, BeijingPeople’s Republic of China

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