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Equivalent noise level and the share of freight vehicles in the total Noise frequency spectrum: separate cab vs. truck cab. Noise levels in relation with the heavy vehicle ratio.
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Comparison of logging truck noise levels (1-sec cleq db, unadjustedComparison of logging truck noise levels (1-sec cleq db, unadjusted Solved the intensity level of sound in a truck is 91 db.Truck logging unadjusted sec levels.
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Average noise level in three types of vehicles: bus, passenger car?noise spectrum measured 10 m away from the muffler, with the truck in 5_ucy9cwjdbg9wfzn2uq9d8l57hsngj9eiTruck engine noise a) recorded noise in time domain b) recorded noise.
Frequency ranges of noise sources
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Truck engine noise a) Recorded noise in time domain b) Recorded noise
Recorded and estimated noise levels and heavy vehicles percentages
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Comparison of logging truck noise levels (1-sec CLEQ dB, unadjusted
Figure A1. Noise spectrum. (a) White noise (b) traffic noise (c
Average noise level in three types of vehicles: bus, passenger car
