铁路沿线无线电视信号覆盖场强检测

📅 发布时间:2024-05-27 👤 来源:北检院 👁 阅读:

JIS E 3310:1998 .沿线重复

Railway signal -- Wayside repeating signals

DB42/T 898-2013 线室内系统建设规范

Specifications for construction of radio signal indoor coverage system

BS 376-2:1954 .线与书面

Nomenclature and symbols with notes and recommendations relating to these and to the labelling of wires. Symbols are for railway signalling systems

Railway signalling symbols - Wiring symbols and written circuits

ITU-T L.56 FRENCH-2003 沿线光缆的安装

The current situation of the telecommunication market, and wide use of optical fibres as a transmission media, have contributed to the fact that some

Installation of optical fibre cables along railways

ITU-T L.56 SPANISH-2003 沿线光缆的安装

The current situation of the telecommunication market, and wide use of optical fibres as a transmission media, have contributed to the fact that some

Installation of optical fibre cables along railways

TB/T 1726-2019 线系统技术条件

Technical conditions for wireless communication systems in railway yards

ITU-R SM.1708-2011 沿具有地理坐标登记的线测量

Field-strength measurements along a route with geographical coordinate registrations

ITU-R SM. 1708-1 FRENCH-2011 沿具有地理坐标登记的线测量

CEPT ERC REPORT 77-2000 沿着某个线度测量.那不勒斯2000年1月

Field Strength Measurements Along a Route (Naples, January 2000)

AS 7664:2020 线缆坑和地基

The objective of this Standard is to set out the minimum requirements for: (a) signalling cable routes, cable pits and for foundations at signals

Railway signalling cable routes, cable pits, and foundations

JJG 1057-2010 仪检定规程

本规程适用于工作频率在 48 MHz-862 MHz的电视信号场强仪(也常称为电视场强仪,或者电视电平表)的首次检定、后续检定和使用中检验

Verification Regulation of TV Signal Field Strength Meter

ITU-R SM.1708-1-2011 地理坐标登记沿线测量

The role of the Radiocommunication Sector is to ensure the rational, equitable, efficient and economical use of the radio-frequency spectrum by all

Field-strength measurements along a route with geographical coordinate registrations

ITU-R SM.1708-1 SPANISH-2011 地理坐标登记沿线测量

The role of the Radiocommunication Sector is to ensure the rational, equitable, efficient and economical use of the radio-frequency spectrum by all

Field-strength measurements along a route with geographical coordinate registrations

ITU-R SM.1708 FRENCH-2005 沿着具有地理坐标登记的线测量

Field-strength measurements along a route with geographical coordinate registrations Mesures du champ le long d'un trajet, avec enregistrements des coordonn閑s g閛graphiques

ITU-R SM.1708 SPANISH-2005 沿着具有地理坐标登记的线测量

Field-strength measurements along a route with geographical coordinate registrations Mediciones de intensidad de campo a lo largo de una ruta con registros de las coordenadas geogr醘icas

JIS E 3310:1998 .沿线重复

Railway signal -- Wayside repeating signals

DB42/T 898-2013 线室内系统建设规范

Specifications for construction of radio signal indoor coverage system

BS 376-2:1954 .线与书面

Nomenclature and symbols with notes and recommendations relating to these and to the labelling of wires. Symbols are for railway signalling systems

Railway signalling symbols - Wiring symbols and written circuits

ITU-T L.56 FRENCH-2003 沿线光缆的安装

The current situation of the telecommunication market, and wide use of optical fibres as a transmission media, have contributed to the fact that some

Installation of optical fibre cables along railways

ITU-T L.56 SPANISH-2003 沿线光缆的安装

The current situation of the telecommunication market, and wide use of optical fibres as a transmission media, have contributed to the fact that some

Installation of optical fibre cables along railways

TB/T 1726-2019 线系统技术条件

Technical conditions for wireless communication systems in railway yards

ITU-R SM.1708-2011 沿具有地理坐标登记的线测量

Field-strength measurements along a route with geographical coordinate registrations

ITU-R SM. 1708-1 FRENCH-2011 沿具有地理坐标登记的线测量

CEPT ERC REPORT 77-2000 沿着某个线度测量.那不勒斯2000年1月

Field Strength Measurements Along a Route (Naples, January 2000)

AS 7664:2020 线缆坑和地基

The objective of this Standard is to set out the minimum requirements for: (a) signalling cable routes, cable pits and for foundations at signals

Railway signalling cable routes, cable pits, and foundations

JJG 1057-2010 仪检定规程

本规程适用于工作频率在 48 MHz-862 MHz的电视信号场强仪(也常称为电视场强仪,或者电视电平表)的首次检定、后续检定和使用中检验

Verification Regulation of TV Signal Field Strength Meter

ITU-R SM.1708-1-2011 地理坐标登记沿线测量

The role of the Radiocommunication Sector is to ensure the rational, equitable, efficient and economical use of the radio-frequency spectrum by all

Field-strength measurements along a route with geographical coordinate registrations

ITU-R SM.1708-1 SPANISH-2011 地理坐标登记沿线测量

The role of the Radiocommunication Sector is to ensure the rational, equitable, efficient and economical use of the radio-frequency spectrum by all

Field-strength measurements along a route with geographical coordinate registrations

ITU-R SM.1708 FRENCH-2005 沿着具有地理坐标登记的线测量

Field-strength measurements along a route with geographical coordinate registrations Mesures du champ le long d'un trajet, avec enregistrements des coordonn閑s g閛graphiques

ITU-R SM.1708 SPANISH-2005 沿着具有地理坐标登记的线测量

Field-strength measurements along a route with geographical coordinate registrations Mediciones de intensidad de campo a lo largo de una ruta con registros de las coordenadas geogr醘icas

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