ITU-R QUESTION 276-2002 Receivers for sound broadcasting below 30 MHz《30兆赫以下声音广播接收机》.pdf

上传人:eveningprove235 文档编号:792516 上传时间:2019-02-02 格式:PDF 页数:1 大小:13.47KB
下载 相关 举报
ITU-R QUESTION 276-2002 Receivers for sound broadcasting below 30 MHz《30兆赫以下声音广播接收机》.pdf_第1页
第1页 / 共1页
亲,该文档总共1页,全部预览完了,如果喜欢就下载吧!
资源描述

1、C:DOCUMENTS AND SETTINGSQGV33745MY DOCUMENTSDOWNLOADSR-QUE-SG06.27-2002-MSW-E.DOC 15/07/2010 15/07/2010QUESTION ITU-R 27/6*Receivers for sound broadcasting below 30 MHz (1982-1990-1994-2002) Q. ITU-R 49-2/10 The ITU Radiocommunication Assembly, considering a) that efficient planning must take into a

2、ccount the main parameters of the receiving installations; b) the information contained in Recommendation ITU-R BS.703 may need to be complemented and/or updated; c) that Question ITU-R 201/10 is addressing, inter alia, the studies on receiving antennas respectively for LF, MF and HF sound broadcast

3、ing, decides that the following Question should be studied 1 What are the main characteristics of receiving installations which may be useful for planning? 2 What are the minimum performance specifications for receiving installations permitting a sound quality compatible with ITU-R specifications, f

4、or the various types of sound-broadcasting systems? These technical characteristics should be defined for the three cases of: individual reception; community reception; community listening. NOTE 1 The minimum performance specifications should take account of the latest International Electrotechnical Commission (IEC) work. further decides 1 that the results of the above studies should be addressed to: update and complement Recommendation ITU-R BS.703; prepare (a) new Recommendation(s); 2 that the above studies should be completed by 2002. Category: S1 _ *Former Question ITU-R 49-2/10.

展开阅读全文
相关资源
猜你喜欢
  • GOST R 50556-1993 Hydraulic fluid power Particulate contamination analysis Extraction of fluid samples from lines of an operating systems《液压液力 颗粒污染分析 从工作系统管路中提取油样》.pdf GOST R 50556-1993 Hydraulic fluid power Particulate contamination analysis Extraction of fluid samples from lines of an operating systems《液压液力 颗粒污染分析 从工作系统管路中提取油样》.pdf
  • GOST R 50557-1993 Hydraulic fluidpower Fluid sample containers Qualifying and controlling cleaning methods《液压传动 油液取样容器 检验和控制净化方法》.pdf GOST R 50557-1993 Hydraulic fluidpower Fluid sample containers Qualifying and controlling cleaning methods《液压传动 油液取样容器 检验和控制净化方法》.pdf
  • GOST R 50558-1993 Industrial purity Lubricating and cooling liquids Specifications《工业纯度 润滑冷却液 规范》.pdf GOST R 50558-1993 Industrial purity Lubricating and cooling liquids Specifications《工业纯度 润滑冷却液 规范》.pdf
  • GOST R 50559-1993 Industrial purity General requirements for supplying transporting storage and feeding of working liquids《工业纯度 工作液供应 运输 贮存和添加的一般要求》.pdf GOST R 50559-1993 Industrial purity General requirements for supplying transporting storage and feeding of working liquids《工业纯度 工作液供应 运输 贮存和添加的一般要求》.pdf
  • GOST R 50560-1993 Milling cutters mounted on centring arbors having a 7 24 taper Fitting dimensions Centring arbors《装在7 24锥度定心杆上的铣刀 配件尺寸 定心杆》.pdf GOST R 50560-1993 Milling cutters mounted on centring arbors having a 7 24 taper Fitting dimensions Centring arbors《装在7 24锥度定心杆上的铣刀 配件尺寸 定心杆》.pdf
  • GOST R 50561-1993 Hexagonal dienuts Dimensions《六角板牙 尺寸》.pdf GOST R 50561-1993 Hexagonal dienuts Dimensions《六角板牙 尺寸》.pdf
  • GOST R 50562-1993 Originals and marks of printed circuit boards General requirements for unit manufacturing methods《印刷电路板实体和标记 单元生产方法的一般要求》.pdf GOST R 50562-1993 Originals and marks of printed circuit boards General requirements for unit manufacturing methods《印刷电路板实体和标记 单元生产方法的一般要求》.pdf
  • GOST R 50563 1-1993 Pigments and extenders Methods of dispersion for assessment of dispersion characteristics Introduction《颜料和增补剂 色散特性评定用色散方法 前言》.pdf GOST R 50563 1-1993 Pigments and extenders Methods of dispersion for assessment of dispersion characteristics Introduction《颜料和增补剂 色散特性评定用色散方法 前言》.pdf
  • GOST R 50563 2-1993 Pigments and extenders Methods of dispersion for assessment of dispersion characteristics Dispersion using an oscillatory shaking machine《颜料和增补剂 色散特性评定用色散方法 色散振.pdf GOST R 50563 2-1993 Pigments and extenders Methods of dispersion for assessment of dispersion characteristics Dispersion using an oscillatory shaking machine《颜料和增补剂 色散特性评定用色散方法 色散振.pdf
  • 相关搜索

    当前位置:首页 > 标准规范 > 国际标准 > 其他

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1