Acoustics - Determination of acoustic properties in impedance tubes - Part 2: two-microphone technique for normal sound absorption coefficient and normal surface impedance
Edition 2023-10-11

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 7: equipment impedance
Edition 2002-12-01

Aerospace series - Elements of electrical and optical connection - Test methods - Part 705: electrical elements - Measurement of stub input impedance of couplers
Edition 2002-11-01

Connectors for electronic equipment - Tests and measurements - Part 23-7 : screening and filtering tests - Test 23g : effective transfer impedance of connectors
Edition 2005-06-01

Mechanical vibration and shock. Characterization of the dynamic mechanical properties of visco-elastic materials. Dynamic stiffness method
Edition 2008-11-30

Communication cables. Specifications for test methods. Electrical test methods. Characteristic impedance, input impedance, return loss
Edition 2017-01-31

Superconductivity. Electronic characteristic measurements. Intrinsic surface impedance of superconductor films at microwave frequencies
Edition 2012-03-31

Connectors for electronic equipment - Tests and measurements - Screening and filtering tests - Test 23g - Effective transfer impedance of connectors
Edition 2005-04-18

Elements of electrical and optical connection - Test methods - Electrical elements - Measurement of stub input impedance of couplers
Edition 2001-12-14

Acoustics - Measurement of sound absorption properties of road surfaces in situ - Part 2: Spot method for reflective surfaces
Edition 2010-05