Simulation-Based Performance Evaluation of Adaptive Scan for Spaceborne Rain Radar

• SHIMOMAI Toyoshi

  Shimane University The Institute of Electronics, Information and Communication Engineers

• YOKOYAMA Yusuke

  Shimane University

• KOZU Tosihiaki

  Shimane University The Institute of Electronics, Information and Communication Engineers

• HANADO Hiroshi

  NICT The Institute of Electronics, Information and Communication Engineers

Abstract

The performance of the adaptive scan for spaceborne rain radar, which uses a quick scan for rain search followed by a normal or con-centrated scan only for rainy areas, are studied through a simulation using TRMM (Tropical Rainfall Measuring Mission) Precipitation Radar (PR) data. Trade-off studies are performed to find an optimum quick-scan and rain search method to minimize rain missing and false alarm of rain area. Using the optimum method thus determined, consecutive 8-day TRMM PR data are used to statistically evaluate the performance of the adaptive scan in terms of sensitivity improvement and power consumption saving. It is shown that more than 3-dB improvement in effective signal-to-noise ratio (SN_e) can be achieved for 40% of the total observations. Alternatively, about 26% power saving can be achieved if the SN_e is kept the same.

Journal

• IEICE Transactions on Communications

  IEICE Transactions on Communications E91-B (6), 2020-2024, 2008

  The Institute of Electronics, Information and Communication Engineers

Keywords

• spaceborne rain radar
• TRMM
• adaptive antenna scan

Details

• CRID: 1390001204374854016
• NII Article ID: 10026830353
• NII Book ID: AA10826261
• DOI: 10.1093/ietcom/e91-b.6.2020
• ISSN: 17451345
• ISSN: 09168516
• Web Site: https://www.jstage.jst.go.jp/article/transcom/E91.B/6/E91.B_6_2020/_pdf
• Text Lang: en
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed