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噪音测试标准# L+ B4 K" t1 a v/ N
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ISO 3743-1:1994
# I2 B3 S: F5 ^; M9 v. \Acoustics - Determination of sound power levels of noise sources -
" \) k" v9 v1 P+ B. V+ E$ [2 |1 ^7 r! WEngineering methods for small, movable sources in reverberant fields -
2 G' t- x1 I( x2 j4 XPart 1: Comparison method for hard-walled test rooms& h Y/ J' Z z4 N4 z0 I2 d. P
1 a' F# \% w. s8 P6 F0 {BS EN ISO 3743-2:1997 (BS ISO 3743-2:1994 + Amd 1) I& B c7 q& m% F$ m2 b+ H. P1 |
Acoustics - Determination of sound power levels of noise sources - 9 j' L4 s% B- C7 r
Engineering methods for small, movable sources in reverberant fields -- W @4 O2 Z% U; e, K
Part 2: Methods for special reverberation test rooms6 k! S8 n7 u* z ?
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BS EN ISO 3743-1:1995 Incorporating Amendment No. 1
6 z! {4 e/ ^7 L) M3 ]Acoustics — Determination of sound power levels of noise sources —* s1 z7 v+ R) Y2 d# ?' @- ]1 R! T( ]
Engineering methods for small, movable sources in reverberant fields —# ~5 N1 G4 G7 B9 N$ `. x
Part 1: Comparison for hard-walled test rooms
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http://www.angui.org/bbs/read.php?tid-12541-keyword-3743.html |
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