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BEHAVIOR OF THE SECONDARY SOURCES AND EXAMINATION OF THE SOUND ENERGY FOR ACTIVE NOISE BARRIER

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Figure

Fig.1. - Model of active noise barrier: (a) passive noise barrier; (b) active noise barrier; (c)(d) the combination of active noise barrier and passive noise barrier
Fig.2. - Two-dimensional model of numerical calculation.
Fig.5. - Insertion loss against the barrier.
Fig.7. - Relative power level of the secondary sources.
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