Title:
WIND MEASUREMENT DEVICE, WIND MEASUREMENT SYSTEM, WIND MEASUREMENT METHOD, AND WIND MEASUREMENT PROGRAM
Document Type and Number:
Japanese Patent JP2017129366
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To allow a measurement sensor part (anemometer) including coating such as glass and therefore relatively poor in response performance to nevertheless measure variations in a higher wind velocity.SOLUTION: A wind measurement device 1 comprises: a dither signal generation part 3 and a dither signal addition part 4 for adding a dither signal Sto an analogue signal Sfrom a measurement sensor part 2; an A/D converter 6 oversampling an analogue signal Sto which the dither signal Sis added and converting it into a digital signal S; a Fourier transformation part 10 Fourier-transforming the digital signal Sconverted by the A/D converter 6; a first spectrum calculation part 11 acquiring an amplitude spectrum and a phase spectrum; a correction coefficient calculation part 12 and a spectrum correction part 13 for correcting the spectrum; and an inverse Fourier transformation part 14 performing inverse Fourier transformation. The wind measurement device 1 can thus catch higher wind velocity variations.SELECTED DRAWING: Figure 1
Inventors:
MATSUYAMA TETSUO
SAKUTA MICHIKO
YOSHIDA YUKIHIKO
MARUTA EIZO
SAKUTA MICHIKO
YOSHIDA YUKIHIKO
MARUTA EIZO
Application Number:
JP2016006934A
Publication Date:
July 27, 2017
Filing Date:
January 18, 2016
Export Citation:
Assignee:
WINDSTYLE CO LTD
SUMITOMO MITSUI CONSTRUCTION CO LTD
SUMITOMO MITSUI CONSTRUCTION CO LTD
International Classes:
G01P5/00; G01L7/00
Attorney, Agent or Firm:
Shinji Aida
Zheng Yuanji
Kyoko Aida
Zheng Yuanji
Kyoko Aida