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Application of improved wavelet denoising method in gps attitude determination

  • Beijing Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

An improved wavelet denoising method is given to suppress noise from double difference carrier phase measurement in the GPS attitude determination. In this method, lifting scheme, instead of Mallat algorithm, was used in the translation-invariant algorithm to improve the computation structure. Theoretically, the new method would reduce the calculating time and improve the accuracy. Test results showed that the calculating time of the new method was about 50% of the former and the accuracy was upgraded by 20%.

Original languageEnglish
Pages (from-to)1267-1271+1296
JournalYuhang Xuebao/Journal of Astronautics
Volume29
Issue number4
Publication statusPublished - Jul 2008

Keywords

  • Attitude determination
  • GPS
  • Wavelet denoising

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