IEC TS 61949:2007
Current
The latest, up-to-date edition.
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English
11-27-2007
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 List of symbols
5 Equipment required
6 Test methods
6.1 Establishing quasi-linear conditions
6.1.1 The local distortion parameter
6.1.2 Upper limit for quasi-linear conditions for sigma[q]
6.1.3 Range of applicability for quasi-linear conditions
6.2 Measurement procedure for estimated in situ exposure
6.2.1 Identification of quasi-linear conditions
6.2.2 Tables of limiting mean peak acoustic pressure
6.2.3 Measurement of acoustic quantities under quasi-linear
conditions
6.2.4 Measurement of the scaling factor
6.2.5 Calculation of attenuated acoustic quantities
6.3 Uncertainties
Annex A (informative) Review of evidence
Annex B (informative) Review of alternative methods
for managing finite-amplitude effects during
field measurement
Annex C (informative) Parameters to quantify nonlinearity
Annex D (informative) Tables of upper limits for mean peak
acoustic pressure for quasi-linear conditions
Bibliography
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