Fibre optic communication system design guides. In-band optical signal-to-noise ratio (OSNR)
Edition 2016-03-31

Fibre optic communication subsystem test procedures - Part 2-9: Digital systems - Optical signal-to-noise ratio measurement for dense wavelength-division multiplexed systems (Endorsed by AENOR in July of 2009.)
Edition 2009-07-01

Determination of Signal-to-Noise Ratio (SNR) in Diagnostic Magnetic Resonance Imaging
Edition 2008

OFSTP-19 Optical Signal-to-Noise Ratio Measurement Procedures for Dense Wavelength-Division Multiplexed Systems
Edition 2000-06

Determination of Signal-to-Noise Ratio and Image Uniformity for Single-Channel Non-Volume Coils in Diagnostic MR Imaging
Edition 2008

FOTP-236 IEC 61280-2-9 Fibre Optic Communication Subsystem Test Procedures Digital Systems Part 2-9: Optical Signal-to-Noise Ratio Measurement for Dense Wave-Length Multiplexed Systems
Edition 2004-02

Cinematography. Common to more than one film gauge. Sound. Method for measurement of the signal to noise ratio of 8 mm type, 16 mm and 35 mm variable area photographic sound records
Edition 1988-12-30

Non-destructive testing - Terminology - Part 2: Terms common to the non-destructive testing methods; Trilingual version EN 1330-2:1998
Edition 1998-12

Fibre optic communication subsystem test procedures - Part 2-9: Digital systems - Optical signal-to-noise ratio measurement for dense wavelength-division multiplexed systems (IEC 61280-2-9:2009); German version EN 61280-2-9:2009
Edition 2009-12

Maritime navigation and radiocommunication equipment and systems - Shipborne voyage data recorder (VDR) - Part 2: Simplified voyage data recorder (S-VDR) - Performance requirements, methods of testing and required test results (IEC 61996-2:2007); English version EN 61996-2:2008
Edition 2008-12