GB/T 4958.12-1988Methods of measurement for equipment used in terrestrial radio-relay systems. Part 3: Simulated systems. Section four. Measurementsfor f.d.m. transmission (English PDF)
地面无线电接力系统所用设备的测量方法 第三部分:仿真系统的测量 第四节:频分复用传输的测量
GB/T 4958.12 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 4958.12-1988 | Methods of measurement for equipment used in terrestrial radio-relay systems. Part 3: Simulated systems. Section four. Measurementsfor f.d.m. transmission | Obsolete |
GB/T 4958.12-1988 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
The ministry of post and telecommunications
Level / Type
National · Recommended
Issue date
March 28, 1988
Implementation date
February 1, 1989
Scope
GB/T 4958.12-1988 is the English-translated version of 地面无线电接力系统所用设备的测量方法 第三部分:仿真系统的测量 第四节:频分复用传输的测量.
GB/T 4958.12-1988 is the Chinese national standard "Methods of measurement for equipment used in terrestrial radio-relay systems. Part 3: Simulated systems. Section four.
Measurementsfor f.d.m. transmission". It was issued on March 28, 1988 by The ministry of post and telecommunications, and took effect on February 1, 1989. It is obsolete: it has been withdrawn (abolished on December 15, 2017).
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Document preview — GB/T 4958.12-1988
National Standard of the People's Republic of China
Issued by: The ministry of post and telecommunications
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: The ministry of post and telecommunications.
Date of issue: 1988-03-28.
Date of implementation: 1989-02-01.
Status: obsolete, withdrawn on 2017-12-15.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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Related Standards
GB/T 4958.13-1988 — Methods of measurement for equipment used in terrestrial radio-relay systems. Part 3: Simulated systems. Section five. Measurement of mutual interference
GB/T 4958.11-1988 — Methods of measurement for aquipment used in terrestrial radio-relay systems. Part 3: Simulated systems. Section three. Measurements for monochrome and colour television transmission
GB/T 4958.14-1992 — Methods of measurement for equipment usedin terrestrial radio-relay systems. Part 1: Measurements common to sub-systems and simulated radio-relay systems. Section 2: Measurements in the radio-frequency range
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