SJ/Z 9148-1987Acoustical measuring equipment for aircraft noise certification (English PDF)
飞机噪声评定用电声测试设备
SJ/Z 9148 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| SJ/T 9148-2013 | Electroacoustics. Instruments for measurement of aircraft noise-Performance requirements for systems to measure on-third-octave band sound pressure levels in noise certification of transport-category aeroplanes | Valid |
| SJ/Z 9148-1987 | Acoustical measuring equipment for aircraft noise certification | Obsolete |
SJ/Z 9148-1987 is obsolete. It has been replaced by SJ/T 9148-2013. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
Ministry of Industry and Information Technology of the People's Republic of China
Level / Type
National · Recommended
Issue date
January 6, 1988
Implementation date
January 6, 1988
Scope
SJ/Z 9148-1987 is the English-translated version of 飞机噪声评定用电声测试设备.
SJ/Z 9148-1987 is the Chinese industry standard "Acoustical measuring equipment for aircraft noise certification". It was issued on January 6, 1988 by the Ministry of Industry and Information Technology of the People's Republic of China, and took effect on January 6, 1988. It is obsolete: it has been replaced by SJ/T 9148-2013.
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Document preview — SJ/Z 9148-1987
National Standard of the People's Republic of China
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Document data
1 Document data
Sector: Electronics (industry standard).
Issuing body: Ministry of Industry and Information Technology of the People's Republic of China.
Date of issue: 1988-01-06.
Date of implementation: 1988-01-06.
Status: obsolete, replaced by SJ/T 9148-2013.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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SJ/Z 9148-1987
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