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- W4210562433 abstract "Demands to measure sounds from a height for analyze three-dimensional distribution or radiation of sound are available. We thought it would be possible to measure the sound with a drone that is rapidly becoming widespread. The biggest obstacle to the idea is the sound of the drone itself. If the wave form of drone’s own sound can be estimated accurately, it is possible to obtain an object sound from the measured sound canceled by the estimated sound. We propose a method to estimate a sound wave form from a rotating signal of a rotter shaft. A sound of a single rotor of drone in a rotation had high mutual similarity. A rotor sound is estimated by expanding or shorten a wave form of pre-recording rotor sound. Good estimation results were obtained and the sound level of drone itself was reduced by about 15dB." @default.
- W4210562433 created "2022-02-08" @default.
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- W4210562433 date "2021-01-01" @default.
- W4210562433 modified "2023-10-16" @default.
- W4210562433 title "Estimating of the noise generated by multi-copter drone" @default.
- W4210562433 doi "https://doi.org/10.1299/jsmeenv.2021.31.107" @default.
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