Russian standards

Objective lenses. Methods for measurement the diameter of the entrance pupil

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Varistors. Method of measuring non linearity coefficient

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Sound broadcasting digital. Coding of signals of sound broadcasting with reduction of redundancy for transfer on digital communication channels. A part III (MPEG-4 audio). Structured audio (SA)

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Electromagnetic compatibility of technical means. Certification tests. General rules

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Signal channel of digital broadcast television. Channel parts and measuring signals. General requirements

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Enhanced - definition television. Basic parameters of digital system with progressive scanning. Analog and digital signals representations. Parallel digital interface

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