Maritime navigation and radiocommunication equipment and systems; Automatic identification systems (AIS) - Part 2: Class A shipborne equipment of the universal automatic identification system (AIS) - O...
实施日期:2002-10-01
Methods of measurement for equipment used in digital microwave radio transmission systems - Part 2: Measurements on terrestrial radio-relay systems; section 6: Protection switching (IEC 60835-2-6:1995)...
适用范围:The document deals with the measurement of terminal-to-terminal protection switching equipment associated with radio-relay systems.
Maritime navigation and radiocommunication equipment and systems - General requirements - Methods of testing and required test results.
发布日期:2013-02-01 实施日期:2013-02-01
Global maritime distress and safety system (GMDSS) - Part 2: COSPAS-SARSAT EPIRB - Satellite emergency position indicating radio beacon operating on 406 MHz - Operational and performance requirements, ...
适用范围:Specifies the minimum performance requirements, technical characteristics and type-testing requirements of the satellite emergency position-indicating radio beacon used in the COSPAS-SARSAT satellite s...
发布日期:2008-01-22 实施日期:2008-01-22
European digital cellular telecommunications system - Half rate speech - Part 3: Substitution and muting of lost frames for half rate speech traffic channels; English version ETS 300581-3:1995
适用范围:This document defines a frame substitution and muting procedure which shall be used by the Receive (RX) Discontinuous Transmission (DTX) handler when one or more lost or unreliable speech or Silence De...
适用范围:GB/T 6113的本部分为基础标准。本部分规定了用于测量无线电骚扰电压、骚扰电流和骚扰场强的测量设备的性能和特性,其频率范围为9 kHz~18 GHz。此外,对用于断续骚扰测量的专用设备也提出了要求。这些要求包括无线电骚扰的宽...
发布日期:2008-01-22 实施日期:2008-09-01
发布日期:2012-07-01 实施日期:2012-07-01
Passive RF and microwave devices, intermodulation level measurement. Measurement of passive intermodulation in filters
发布日期:2013-04-30 实施日期:2013-04-30
Digital cellular telecommunications system (Phase 2+) - GSM Cordless Telephony System (CTS), Phase 1 - Lower layers of the CTS radio interface; Stage 2
适用范围:This European standard specifies requirements in the telecommunications sector.
Digital cellular telecommunications system (Phase 2+) - Link adaptation
适用范围:This European standard specifies requirements in the telecommunications sector.
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