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Information technology - Coding of audio-visual objects - Part 4: Conformance testing AMENDMENT 2: MPEG-4 conformance extensions for XMT and media nodes

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CAN3-C235-83 (R2006) Preferred Voltage Levels for AC Systems, 0 to 50 000 V 现行 发布日期 :  1970-01-01 实施日期 : 

1. Scope 1.1 This Standard establishes voltage standards for AC Systems in Canada to provide a guide: (a) To national committees on utilization and control equipment or devices for establishing standard ratings of such equipment or devices on a bas

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CSA Preface This is the first edition of CAN/CSA-C61000-2-12, Electromagnetic compatibility (EMC) - Part 2-12: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public medium-voltage power supply systems, whi

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CSA Preface This is the second edition of CAN/CSA-C61000-2-2, Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems, which i

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1. Scope 1.1 This Standard provides a procedure to predict the sound level received at a distance from an industrial plant that is due to sound from the plant. Notes: (1) It is envisaged that this method will be used to predict sound levels (Leq,

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1. Scope 1.1 This Recommended Practice describes a procedure for the prediction of sound pressure levels in a large room containing a number of sound sources. This procedure may be used to compute A-weighted, octave, or fractional octave band sound pr

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1 Scope This part of IEC 61000 is concerned with conducted disturbances in the frequency range from 0 kHz to 9 kHz. It gives numerical compatibility levels for industrial and non-public power distribution systems at nominal voltages up to 35 kV and a n