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ZHANG Wenwen, YIN Fulian, JIA Yunfeng. The Accuracy Analysis of Zero-lag Correlation Coefficient of Dual-Polarization Radar[J]. Chinese Journal of Electronics, 2015, 24(1): 212-217.
Citation: ZHANG Wenwen, YIN Fulian, JIA Yunfeng. The Accuracy Analysis of Zero-lag Correlation Coefficient of Dual-Polarization Radar[J]. Chinese Journal of Electronics, 2015, 24(1): 212-217.
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The Accuracy Analysis of Zero-lag Correlation Coefficient of Dual-Polarization Radar

  • 1.

    Beijing Aerospace System Engineering Institute, Beijing 100076, China;

  • 2.

    Information Engineering School, Communication University of China, Beijing 100021, China

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  • Corresponding author:

    YIN Fulian was born in 1982. She received the Ph.D degree in communication and information system from Harbin Engineering University. She is now a lecturer of Communication University of China. Her research interests include signal processing and data mining. (Email: yinfulian@cuc.edu.cn)

  • Received Date: May 31, 2013
  • Revised Date: January 31, 2014
  • Published Date: January 09, 2015
    Graphical Abstract
    • Abstract
  • Dual polarization technology is gradually promoted in our country after Doppler weather radar network. It extends the capabilities of conventional Doppler radar, and can directly detect the differential reflectivity factor and the zero-lag correlation coefficient and so on which are related with the micro-physics characteristics of precipitation. Considering that small error may lead to erroneous judgments when identify the particle phase state with the zero-lag correlation coefficient for its values is close to each other at different phase states and is between 0 and 1, the error mean value and mean square root of the zero-lag correlation coefficient are deduced at alternative transmission mode, and each parameter's effect to the precision is analyzed. It not only provides a useful polarization variable for better identifying hydrometer phase state and clutter recognition, but also provides an practical way to estimate the zero-lag correlation coefficient and relevant.
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    • References (15)
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