A multi-leading edge and multi-threshold waveform retracker

Xiao Tao Chang*, Jian Cheng Li, Jin Yu Guo, Chein-way Hwang

*Corresponding author for this work

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

Characteristics of the altimetry waveform are studied to improve the accuracy of sea surface height measurement. Based on the existing methods, the leading-edge-detection-based multi-leading edge and multi-threshold waveform retracking method is presented. Then, the method is applied to the waveform processing over the China offshore to enhance the precision and resolution of altimetry. As a validation, the gravity anomaly data are computed from the retracked data and compared with the ship-born gravity. Results show the method can improve the altimetry precision greatly.

Original languageEnglish
Pages (from-to)1629-1634
Number of pages6
JournalActa Geophysica Sinica
Volume49
Issue number6
DOIs
StatePublished - 1 Jan 2006

Keywords

  • China offshore
  • Satellite altimetry
  • Sea surface height
  • Tracking gate
  • Waveform retracking

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