Simon Fraser University5 年
EFFECTIVE PERCEIVED NOISE LEVEL (EPNL)
It is measured in EPNdB, and defined as the Perceived Noise Level (PNL) in PNdB plus a tone correction and a duration correction. It is in general use by the U.S. Federal Aviation Administration in ...
Simon Fraser University3 年
Effective Perceived Noise Level (EPNL)
It is measured in EPNdB, and defined as the Perceived Noise Level (PNL) in PNdB plus a tone correction and a duration correction. It is in general use by the U.S. Federal Aviation Administration in ...