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ASTM F963
; R( L! J2 Y) Z+ Q8.19.2.4 (2) Measurements of Continuous Sounds—If the toy under test has a clearly defined operating cycle, measure the equivalent sound pressure level in each microphone position during at* p- Z( @# p* ?+ U+ `: f
least one whole cycle. ' M8 O3 d8 Z# Y
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q8 \' W, E6 B4 U" I. v9 Z% x, k4 G( e8.28.2.4.1; V7 i5 Y& S! O) a$ x3 _
If the toy has a clearly defined operating cycle, measure the time average (the equivalent continuous) sound pressure level in each microphone position during at least one whole cycle.
" L+ R& o2 F0 s; D1 h9 Y如果被测玩具有明显的运行周期,至少在一个完整周期内测得每个麦克风的按时平均(均等连续)声压水平。
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Q:一般的声音函数貌似无法得知,怎样求出等效声压级(L[sub]Aeq[/sub])?
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