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ON THE ACTIVELY CONTROLLED NOISE BARRIER

✍ Scribed by J. YANG; W.-S. GAN


Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
100 KB
Volume
240
Category
Article
ISSN
0022-460X

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Noise control by barriersβ€”Part 1: Noise
✍ K. Fujiwara; Y. Ando; Z. Maekawa πŸ“‚ Article πŸ“… 1977 πŸ› Elsevier Science 🌐 English βš– 458 KB

This paper presents a method of estimating the excess attenuation of noise by a thick barrier. In this method, the excess attenuation of noise by a thick barrier is assumed to be composed of two parts, one being the effect of a virtual thin barrier with the same height and the other the effect of th