Title:
WEATHER DATA ASSIMILATION ASSISTANCE DEVICE, WEATHER DATA ASSIMILATION ASSISTANCE METHOD, PROGRAM, AND WEATHER DATA ASSIMILATION ASSISTANCE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2024/069731
Kind Code:
A1
Abstract:
This weather data assimilation assistance device (1) comprises: a wet delay amount calculation unit (12) for calculating a wet delay amount in a satellite line-of-sight direction on the basis of observation amount data indicating an observation amount of radio waves from a positioning satellite as measured by a receiver that receives radio waves from the positioning satellite, and atmospheric delay amount data indicating an atmospheric delay amount in a satellite line-of-sight direction calculated on the basis of a correction value for the satellite clock and/or satellite orbit of the positioning satellite, and outputting data indicating the wet delay amount; and a wet delay amount variance calculation unit (13) for calculating a variance of the wet delay amount, on the basis of the wet delay amount and the covariance matrix of the correction value for the satellite clock and/or satellite orbit of the positioning satellite, and outputting data indicating the variance of the wet delay amount.
Inventors:
SATO YUKI (JP)
AKAMA KEI (JP)
YAMADA TETSUTARO (JP)
AKAMA KEI (JP)
YAMADA TETSUTARO (JP)
Application Number:
PCT/JP2022/035849
Publication Date:
April 04, 2024
Filing Date:
September 27, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G01W1/08
Foreign References:
| JP2013181913A | 2013-09-12 | |||
| JP2007085755A | 2007-04-05 | |||
| JP2016031621A | 2016-03-07 | |||
| JP2004150901A | 2004-05-27 | |||
| JP2014153087A | 2014-08-25 | |||
| US20150212236A1 | 2015-07-30 | |||
| CN113189620A | 2021-07-30 | |||
| CN101526516A | 2009-09-09 |
Other References:
KEI AKAMA: "Estimation of Traveling Ionospheric Disturbance Distribution Using Traveling Direction Hypothesis Time-Space Fourier Transform", IEICE TRANS. B, vol. J105–B, no. 6, 1 June 2022 (2022-06-01), pages 484 - 492, XP093152241, DOI: 10.14923/transcomj.2021JBP3027
Attorney, Agent or Firm:
KIMURA Mitsuru (JP)
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