| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a passing noise measuring method for motor vehicles by which a prescribed number of sets of noise data can be efficiently acquired in a short period of time and highly accurate noise data can be acquired under specific conditions. <P>SOLUTION: By a method of measuring noise generated by a motor vehicle running a test course, multiple sets of noise data are acquired from a single run of the motor vehicle on a test course provided with a plurality of test areas 1a to 1e prescribed by standards and noise measuring gauges 5 and 5' positioned correspondingly to the test areas 1a to 1e and prescribed by standards. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
