共5 条记录, 每页显示 20 条, 页签: [1]

标题：请教ISO3744 、ISO3745，和 ISO7779 的差别

1楼

四方城 发表于：2006-6-29 17:37:26

非常感谢!!

2楼

Acoustics 发表于：2006-7-3 14:45:04

Supported Standards
ISO3744
ISO3745
ISO3746
EC/2000/14
ISO7779 (based on ISO3744/ISO3745)
MS Office Report can be adapted to other
standards
IEC60651 (formerly IEC651)
IEC60804 (formerly IEC804)
IEC61260 (formerly IEC225)
ANSI S1.11

LMS Pimento
Sound Power out of Sound Pressure
[P2150 Rev.4.50]

上述仪器可以测量(符合这些标准)

3楼

Acoustics 发表于：2006-7-3 14:46:00

看一下介绍:

http://www.lardav.com/docs/P2150_SoundPower.pdf

4楼

Acoustics 发表于：2006-7-3 14:48:29

Standard Number	ISO3744:1995
Standard Title	Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane
Published On	15/10/94
Approx Page Count	40
Standard Description	Noise (environmental), Acoustic measurement, Sound intensity, Production equipment, Test equipment, Sound sources, Microphones, Calibration, Testing conditions, Free-field rooms, Acoustic testing rooms, Reproducibility, Mathematical calculations, Grades (
Cross Ref	ISO2204, ISO3740, ISO3741, ISO3742, ISO3743-2, ISO3745, ISO3747, ISO4871, ISO6926, IEC 225, ISO3746, ISO7574-2, ISO7574-3, ISO9296, ISO9614-1, ISO9614-2, IEC 225, IEC 651, IEC 804, EN 20354, EN 27574-1, EN 27574-4, ISO354, ISO7574-1, ISO
Replaces the Following :	BS4196:Part 4:1981
Replacement Note
Replacement
Replacement Note 1
Original Committee
ISB Number	058023478 9
Other Equivalent	EN ISO3744:1995 ISO3744:1994

5楼

Acoustics 发表于：2006-7-3 14:52:41

Standard Number	ISO3745:2003
Standard Title	Acoustics. Determination of sound power levels of noise sources using sound pressure. Precision methods for anechoic and hemi-anechoic rooms
Published On	18/12/03
Approx Page Count	48
Standard Description	Sound intensity, Acoustic measurement, Sound sources, Noise control (acoustic), Production equipment, Acoustic testing, Acoustic testing rooms, Free-field rooms, Precision, Noise (environmental), Audiofrequencies, Audio equipment, Microphones, Installatio
Cross Ref	ISO7574-1:1985, ISO7574-4:1985, ISO9613-1:1993, IEC 60942:2003, IEC 61260:1995, IEC 61672-1:2002, GUM:1993, EN 27574-1:1988, EN 27574-4:1988, 98/37/EC, ISO140-3, ISO3740, ISO3744, ISO3746, ISO4871, ISO9614-1, ISO9614-2, ISO12001
Replaces the Following :	BS4196-5:1981
Replacement Note
Replacement
Replacement Note 1
Original Committee	EH/1/4
ISB Number
Other Equivalent	EN ISO3745:2003 ISO3745:2003

共5 条记录, 每页显示 20 条, 页签: [1]