Кінець таблиці F.1
|
/ |
І |
Центральні частоти третинооктавних смуг, Гц |
Cj, дБ |
|
|
19 |
3150 |
1,2 |
|
7 |
20 |
4000 |
1,0 |
|
|
21 |
5000 |
0,5 |
|
|
22 |
6300 |
-0,1 |
|
8 |
23 |
8000 |
-1,1 |
|
|
24 |
10000 |
-2,5 |
|
3 Показники для цієї частотної смуги можуть бути використані лише разом із матеріалами інформаційного додатка С. |
|||
|
ьГрубим шрифтом позначено центральні частоти октавних частотних смуг. |
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БІБЛІОГРАФІЯ
ISO 3740 Acoustics — Determination of sound power levels of noise sources — Guidelines for the use of basic standards
ISO 3743-1 Acoustics — Determination of sound power levels of noise sources— Engineering methods for small, movable sources in reverberant fields — Part 1: Comparison method for hard-walled test rooms
ISO 3743-2 Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering methods for small, movable sources in reverberant fields — Part 2: Methods for special reverberation test rooms
ISO 3744 Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering method in an essentially free field over a reflecting plane
ISO 7574-2 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 2: Methods for stated values for individual machines
ISO 7574-3 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 3: Simple (transition) method for stated values for batches of machines
ISO 9295 Acoustics — Measurement of high-frequency noise emitted by computer and business equipment
ISO 9296 Acoustics — Declared noise emission values of computer and business equipment
ISO 9613-1 Acoustics — Attenuation of sound during propagation outdoors — Part 1: Calculation of the absorption of sound by the atmosphere
ISO 9614-1 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points
ISO 9614-2 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 2: Measurement by scanning
Davy J.L. The variance of pure tone reverberant sound power measurements. Fifth International Congress on Sound and Vibration, December 15—18, 1997, Adelaide, South Australia
Tohyama M., Imai A. and Tachibana H. The relative variance of sound power measurements using reverberation rooms. Journal of Sound and Vibration, 128 (1), 1989, pp. 57—69
Weaver R.L. On the ensemble variance of reverberation room transmission functions, the effect of spectral rigidity. Journal of Sound and Vibration, 130 (3), 1989, pp. 487—491
Davy J.L. The relative variance of the transmission function of a reverberation room. Journal of Sound and Vibration, 77 (4), 1981, pp. 455—479
Vorlander M. Revised relation between the sound power and the average sound pressure level in rooms and the consequences for acoustic measurements. Acustica, 81, 1995, pp. 332—343
Hubner G. Experiences with the ISO 3740’s series dealing with sound power measurement codes. Proceedings of the Inter-noise ’86 Conference, Cambridge, MA, 1986, pp. 1365—1370
Agerkvist F.T. and Jacobsen F. Sound power determination in reverberation rooms at low frequency. Journal of Sound and Vibration, 166, 1993, pp. 179—190
Baade P.K. and G.C. Maling, Jr. Technical note on reverberation room qualification using multitone signals. Noise Control Engineering Journal, 1997
Chu W.T. Room response measurements in a reverberation chamber containing a rotating diffuser. Journal of the Acoustical Society of America, 77 (3), 1985, pp. 1252—1256
Maling G.C., Jr. Determination of sound power in reverberant rooms. Noise Control Engineering Journal, 25 (2), 1985, pp. 66—75
Bodlund K.A normal mode analysis of the sound power injection in reverberation chambers at low frequencies and the effects of some response averaging methods. Journal of Sound and Vibration, 55 (4), 1977, pp. 563—590
Baade P.K. History of the qualification procedures of American National Standard S1.21—1972. Noise Control Engineering, 7 (2), 1976, pp. 48—51
Francois P.P., C.E. Ebbing and G.C. Maling, Jr. Results from an international sound power round robin concerning measurements in reverberation rooms. Proceedings of the Inter-noise ’86 Conference, 1973, pp. 549—558
Ebbing C.E. and G.C. Maling, Jr. Reverberation room qualification for determination of sound power of sources of discrete frequency sound. Jouma] of the Acoustical Society of America, 54 (4), 1973, pp. 935—949
Maling G. Calculation of the acoustic power radiated by a monopole in a reverberation chamber. Journal of the Acoustical Society of America, 42 (4), 1967, pp. 859—865
Tichy J. and P.K. Baade. Effect of rotating diffusers and sampling techniques on sound pressure averaging in reverberation rooms. Journal of the Acoustical Society of America, 56 (1), 1974, pp. 137— 144
Ebbing C.E. Experimental evaluation of moving sound diffusers for reverberation rooms. Journal of Sound and Vibration, 16 (1), 1971, pp. 99—118.УКНД 17.140.01
Ключові слова: акустика, машини, устатковання, шум (звук), звукова потужність, визначання, ревербераційна камера, точні методи.
Редактор С. Мельниченко
Технічний редактор О. Касіч
Коректор О. Ніколаєнко
Верстальник І. Барков
Підписано до друку 03.10.2005. Формат 60 х 84 1/8.
Ум. друк. арк. 3,72. Зам. зчш Ціна договірна.
Науково-редакційний відділ ДП «УкрНДНЦ»
03115, м. Київ, вул. Святошинська, 2
