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Currently domestic criteria for the aircraft noise is being adapted WECPNL(weighted equivalent continuous perceived noise level), while internationally preferred method is Ldn which is originated from Leq and can evaluate even environmental noise. WECPNL used in domestic as a evaluation method is only for the aircraft noise. It is, therefore, not adequate for the evaluation of residents' injury, moreover, it is very difficult to measure the aircraft noise with WECPNL due to the complicated calculating procedures as long as automatic measuring system is not used
This study aims to propose alternative evaluation method for the aircraft noise. To achieve this purpose, the data measured by automatic measuring system in 5 places among domestic airports from 1998 to 2002 were gathered and calculated with three evaluation method ; WECPNL, Leq and Ldn and the results calculated from different methods were compared and analyzed. At the same time, it was investigated problems generated from the actual operating of the automatic measuring system and that remedy was presented.

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UCI(KEPA) : I410-ECN-0101-2009-540-013500276