33.180 光纤通信 标准查询与下载

ITU-R VOL 2000 SM SERIES PT 1-2000 光谱管理

There are two methods for measurement of spurious emissions described in this Annex. Method 2 is described in CISPR Publication No. 16. Care must be taken with Methods 1 and 2 that emissions from the test do not cause interference to systems in the enviro

Spectrum Management

ITU-R VOL 2000 SM PT 1,2 SUPP 1-2000 SM系列光谱管理补充-1.2部分.研究组1

Threshold levels of interference for the radio astronomy service, Earth exploration-satellite and meteorological-satellite services using passive sensors can be found in Recommendations ITU-RRA.769 and ITU-R SA.1029. This Annex summarizes the levels pro

Spectrum Management Supplement to SM Series - Parts 1 and 2; Study Group 1

ITU-R VOL 2000 SM SERIES PT 2-2000 光谱管理

TO assess the spectrum conserving properties of various design factors or technology options a computer model was designed. The relative SUE that can be achieved must be quantitatively evaluated. The concept of SUE can be extended and defined as

Spectrum Management

ITU-T G.650-2000 预颁布的单模光纤相关参数的定义和测试方法 G系列:传输系统和媒介,数字系统和网络 传输媒介特性 光纤

This Recommendation contains definitions of the relevant geometrical and transmissive parameters of single-mode optical fibres. It also contains both Reference Test Methods and Alternative Test Methods for characterizing these parameters.

Pre-published Definition and Test Methods for the Relevant Parameters of Single-Mode Fibres - Series G: Transmission Systems and Media, Digital Systems and Networks Transmission Media Characteristics - Optical Fibre Cables Study Group 15

ITU-T G.871-2000 光传送网建议的框架

The purpose of this Recommendation is to provide a framework for coordination among the various activities in ITU-T on Optical Transport Network (OTN), in order to ensure that Recommendations covering the various aspects of OTN be developed in a consist

Framework for Optical Transport Network Recommendations Series G: Transmission Systems and Media Digital Systems and Networks Digital Networks - Optical Transport Networks Study Group 15

ITU-R HDBK 271-9-1999 光谱管理计算机辅助技术手册.勘误1999年

The prices quoted in the catalogue, as well as in the separate lists of ITU-R and ITU-T Recommendations and the publication notices, distributed free of charge and visible on the Web at the address

Handbook on Computer-Aided Techniques for Spectrum Management Edition 1999

ITU-R F.1332-1-1999 射频信号通过光纤的传送

For future broadband (interactive) services optical fibres will be extensively introduced in subscriber networks realizing the concept of what is called FTTC, FTTO or FTTH. On the other hand, customers may wish to use various services provided by differen

Radio-Frequency Signal Transported Through Optical Fibres

ITU-T G.651-1998 50/125 mm 多模渐变折射率光纤光缆的特性 G系列:传输系统和媒介,数字系统和网络 传输媒介特性

Characteristics of a 50/125 Micrometer Multimode Graded Index Optical Fibre Cable - Series G: Transmission Systems and Media, Digital Systems and Networks - Transmission Media Characteristics - Optical Fibre Cables Study Group 15; 39 pp

Characteristics of a 50/125 Micrometer Multimode Graded Index Optical Fibre Cable - Series G: Transmission Systems and Media Digital Systems and Networks - Transmission Media Characteristics - Optical Fibre Cables Study Group 15; 39 pp

ITU-R SM.2015-1998 决定国家长期光谱使用战略方法

that administrations which intend to monitor broadband signals for certain applications should consider using an automated, DSP-based system with receivers with up to 20 MHz of instantaneous bandwidth.

Methods for Determining National Long-Term Stratagies for Spectrum Utilization

ITU-R BT.1367-1998 与ITU-R BT.656、ITU-R BT.799和ITU-R BT.1120一致信号的串行数字光纤传输系统

that the development of digital production facilities has resulted in the increasing use of serial digital interfaces

Serial Digital Fibre Transmission System for Signals Conforming to ITU-R BT.656, ITU-R BT.799 and ITU-R BT.1120

KS C 6109-1997(2012) 光时域反射仪的测试方法

Test methods of optical time domain reflectometer

ITU-T G.911-1997 光纤系统可靠性和可用性的参数和计算方法

This Recommendation provides details of the parameters needed to characterize and the procedures to predict and calculate fibre optic system reliability, including reliability of the devices and availability of channels transmitted through the systems.

Parameters and Calculation Methodologies for Reliability and Availability of Fibre Optic Systems - Series G: Transmission Systems and Media Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital Line System - Parameters f

ITU-T G.955-1996 在光缆上以1544kbit/s和2048kbit/s系列等级为基础的数字线路系统

This Recommendation provides specifications for the transmission of optical signals based on both the 1544 kbit/s and 2048 kbit/s hierarchies.

Digital Line Systems Based on the 1544 kbit/s and the 2048 kbit/s Hierarchy on Optical Fibre Cables - Series G: Transmission Systems and Media Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital Line System - Digital L

ITU-T G.973-1996 无中继海底光缆的特性-转换系统,媒介和数据系统

Characteristics of Repeaterless Optical Fibre Submarine Cable Systems - Series G: Transmission Systems and Media, Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital Line System - Optical Fibre Submarine Cable Systems

Characteristics of Repeaterless Optical Fibre Submarine Cable Systems - Series G: Transmission Systems and Media, Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital Line System - Optical Fibre Submarine Cable Systems

ITU-T G.681-1996 使用光纤放大器,包括光纤多路技术的各办公室之间和持久线路系统的功能特性 G系列:传输系统和媒介

Functional Characteristics of Interoffice and Long-Haul Line Systems Using Optical Amplifiers, Including Optical Multiplexing - Series G: Transmission Systems and Media, Digital Systems and Networks Transmission Media Characteristics - Characteristics of

Functional characteristics of interoffice and long-haul line systems using optical amplifiers including optical multiplexing Study Group 15; 39 pp

ITU-T G.982-1996 支持ISDN基群速率或具有相同比特率业务的光纤接入网

This Recommendation deals with the characteristics of an Optical Access Network (OAN) with the capability of transporting interactive services over the Optical Distribution Network (ODN) based on point-to-multipoint configuration using passive optical b

Optical Access Networks to Support Services Up to the ISDN Primary Rate or Equivalent Bit Rates - Series G: Transmission Systems and Media Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital Line System - Optical Line

ITU-R HDBK NSM-1995 国家光谱管理手册 第1研究组

This Handbook describes the key elements of specuum management and the technical content is intended for the use of both developing and developed countries.

Handbook National Spectrum Management Study Group 1

ITU-R HDBK SM-1995 光谱监测手册.第3版 第1研究组

Dissemination of information to the developing countries is a key element in the setting up of their own monitoring system.

Spectrum Monitoring Handbook Third Edition; Study Group 1

ITU-T G.958-1994 基于同步数字系列的光缆数字线路系统

Digital Line Systems Based on the Synchronous Digital Hierarchy for Use on Optical Fibre Cables - Digital Sections and Digital Line Systems (Study Group 15) 25 pp

Digital Line Systems Based on the Synchronous Digital Hierarchy for Use on Optical Fibre Cables - Digital Sections and Digital Line Systems (Study Group 15) 25 pp

YD/T 638.2-1993 光通信设备型号命名方法

本标准规定了光通信设备的型号命名方法。 本标准适用于光通信产品的型号命名。

Type designation system for optical communication equipment