GB/T 35591-2017Assessment and measurement methods of indoor receiving effect of digital terrestrial television broadcasting (English PDF)
地面数字电视室内接收效果评测方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 29, 2017
Implementation date
December 29, 2017
Scope
GB/T 35591-2017 is the English-translated version of 地面数字电视室内接收效果评测方法.
GB/T 35591-2017 is the Chinese standard "Assessment and measurement methods of indoor receiving effect of digital terrestrial television broadcasting".
Its scope clause reads: This standard specifies the terrestrial digital television receiving equipment that supports the reception of digital terrestrial television sets GB 20600-2006 (hereinafter referred to as Receiving equipment) indoor reception effect evaluation method.
This standard applies to receive equipment with GB 20600-2006 terrestrial digital television reception. Its clauses include terms and definitions; abbreviations; evaluation method classification.
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Document preview — GB/T 35591-2017
National Standard of the People's Republic of China
- ICS
- 33.160.25
- Classification
- M 74
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Abbreviations
- 5 evaluation method classification
- 5.1 Overview
- 5.2 site evaluation methods
- 5.3 virtual scene evaluation method
- 6 site information records
- 6.1 Overview
- 6.2 Geographical information
- 6.3 Spectrum Environment Information
- 6.4 Product Information
- 6.5 Record information
- 7 evaluation project
- 7.1 demodulation performance
- 7.2 demultiplexing performance
- 7.3 decoding performance
- 8 Reviews Location Select
- 8.1 Evaluation of the location
- 8.2 Receiving antenna position
- 9 evaluation process
- 9.1 Field evaluation
- 9.2 Virtual site evaluation
- 9.2.1 Field Signal Acquisition
- 9.2.2 signal playback evaluation
1 Scope
This standard specifies the terrestrial digital television receiving equipment that supports the reception of digital terrestrial television sets GB 20600-2006 (hereinafter referred to as
Receiving equipment) indoor reception effect evaluation method.
This standard applies to receive equipment with GB 20600-2006 terrestrial digital television reception.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
Digital television terrestrial broadcasting transmission system frame structure, channel coding and modulation
General specification GB/T 26686 terrestrial digital television receiver
Digital television receiving equipment terminology
3 Terms and definitions
SJ/T 11324-2006 Terms and definitions apply to this document.
4 Abbreviations
The following abbreviations apply to this document.
EIT --- Event Information Table (EventInformationTable)
EPG --- Electronic Program Guide (ElectronicProgramGuide)
PAL --- phase by phase inversion (PhaseAlternateLine)
PID --- Packet Identifier (PacketIdentifier)
PN --- pseudo-random sequence (PseudoNoisesequence)
QAM --- Quadrature Amplitude Modulation (Quadrature AmplitudeModulation)
5 evaluation method classification
5.1 Overview
Indoor reception refers to the receiving equipment placed in the indoor environment to meet the requirements of GB 20600-2006 terrestrial digital television letter
Received.
Terrestrial digital TV indoor reception effect evaluation methods include on-site evaluation methods and virtual field evaluation methods.
5.2 site evaluation methods
On-site evaluation method refers to the field receiving antenna to receive the signal to verify the receiving device receiving effect evaluation method. Evaluation process
In the test equipment should be tested and recorded field information and received by the receiving device was measured results. Site evaluation system shown in Figure 1.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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