Sea surface observations using a VHF radar with multireceiver beamforming technique

Jenn Shyong Chen, Yen Hsyang Chu, Ching Lun Su, Jian Wu Lai, Kun I. Lin, Hwa Chien, Chien Ya Wang, Meng Yuan Chen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations


A VHF pulse radar was used to observe the sea surface in the northern Taiwan Strait. Radar frequency is 52 MHz, and a range cell was 300 m. Four vertical dipole antennas, arranged linearly along the coastline with 3 meter separation between adjacent antennas, were used to collect the radar returns. The self-adaptive Capon method was employed in this study to determine the direction of arrival (DOA) of the sea echoes. Analysis shows that pronounced semidiurnal tidal modes were presented in the temporal variations of observed DOA, echo power, and Doppler velocity.

Original languageEnglish
Title of host publicationOCEANS 2017 - Aberdeen
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages4
ISBN (Electronic)9781509052783
StatePublished - 25 Oct 2017
EventOCEANS 2017 - Aberdeen - Aberdeen, United Kingdom
Duration: 19 Jun 201722 Jun 2017

Publication series

NameOCEANS 2017 - Aberdeen


ConferenceOCEANS 2017 - Aberdeen
Country/TerritoryUnited Kingdom


  • Capon method
  • VHF radar
  • direction of arrival
  • semidiurnal tides


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