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HU Anyi, WANG Dengliang, QIN Bingkun, ZHANG Faxiang. Architecture design of radiation source positioning system based on TDOA[J]. GNSS World of China. doi: 10.12265/j.gnss.2023174
Citation: HU Anyi, WANG Dengliang, QIN Bingkun, ZHANG Faxiang. Architecture design of radiation source positioning system based on TDOA[J]. GNSS World of China. doi: 10.12265/j.gnss.2023174

Architecture design of radiation source positioning system based on TDOA

doi: 10.12265/j.gnss.2023174
  • Received Date: 2023-09-05
  • Accepted Date: 2023-09-05
  • Available Online: 2024-01-15
  • To ensure the normal application of the Global Navigation Satellite System (GNSS), monitoring and localization of GNSS interference radiation sources are required. This paper presents the design of a radiation source positioning system architecture. By designing the system functions, architecture, grid monitoring equipment and workflows, high-precision time synchronization and reliable time difference measurements are achieved using BeiDou/GPS timing + high-stability crystal oscillators and a generalized weighted time delay estimation algorithm, which ensures the accuracy of time difference of arrival (TDOA) localization. The effective location of radiation source is realized through system application test.

     

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