Measurement of sound power for the power machines
碩士 === 國立臺灣大學 === 工程科學及海洋工程學研究所 === 99 === The sound level of power machines can be indicated by sound power. The higher sound power level can propagate far distance, and higher sound pressure level. During the measurement, the position of sound source can’t locate in the specified point, e.g. the m...
Main Authors: | , |
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Other Authors: | |
Format: | Others |
Language: | zh-TW |
Published: |
2011
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Online Access: | http://ndltd.ncl.edu.tw/handle/60408288352486669382 |