欢迎来到麦多课文档分享! | 帮助中心 海量文档,免费浏览,给你所需,享你所想!
麦多课文档分享
全部分类
  • 标准规范>
  • 教学课件>
  • 考试资料>
  • 办公文档>
  • 学术论文>
  • 行业资料>
  • 易语言源码>
  • ImageVerifierCode 换一换
    首页 麦多课文档分享 > 资源分类 > PDF文档下载
    分享到微信 分享到微博 分享到QQ空间

    CEPT T R 71-01 E-1988 Economy in the Use of the Frequency Spectrum《频谱使用的节约措施 1974年拉克鲁斯港》.pdf

    • 资源ID:593256       资源大小:83.64KB        全文页数:2页
    • 资源格式: PDF        下载积分:10000积分
    快捷下载 游客一键下载
    账号登录下载
    微信登录下载
    二维码
    微信扫一扫登录
    下载资源需要10000积分(如需开发票,请勿充值!)
    邮箱/手机:
    温馨提示:
    如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
    如需开发票,请勿充值!如填写123,账号就是123,密码也是123。
    支付方式: 支付宝扫码支付    微信扫码支付   
    验证码:   换一换

    加入VIP,交流精品资源
     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。

    CEPT T R 71-01 E-1988 Economy in the Use of the Frequency Spectrum《频谱使用的节约措施 1974年拉克鲁斯港》.pdf

    1、STD-CEPT TIR 73-03 E-ENGL L788 m 232b434 0034748 775 m T/R 7101 E Page 1 Disbibuon: B Recommendation T/R 71-01 (Puerto de la Cruz 1974) ECONOMY IN THE USE OF THE FREQUENCY SPECTRUM Recommendation put forward by the “Radiocommunications“ Working Group TIWG 3 (R) Text of the Recommendation adopted by

    2、the “Telecommunicalions“ Commission: The European Conference of Postal and Telecommunications Administrations, considering (a) that the possibilities of use of the fiequency spectrum for radiocommunications remain strictly limited, (b) that demand for radio links is constantiy growing, (c) that it i

    3、s therefore necessary to pay greater attention to economising on the use of frequencies, recommends that the general principles set out hereunder be taken into account when a telecommunications network or link is established: 1. The use of radio resources should be limited to those cases where the p

    4、roposed links are of demonstrable value and where the use of alternative methods of transmission (including inductive systems and carrier current systems) is not feasible in practice, 2. The cost of equipment and of its operation should not be a deciding factor in giving priority to radio over other

    5、 transmission systems, 3. 3.1. that the equipment used is the most technically up-to-date for an optimum use of the spectrum; 3.2. that the frequencies assigned be selected in the band which is best suited to the requirements to be met, 3.3. that the frequency band assigned to a station be as narrow

    6、 as possible, taking into account its position in 3.4. that in so far as this makes it possible to achieve economy in the use of the spectrum, the resources 3.5. that the transmission powex and the type and (the) height of the antenna be chosen so as to achieve the 3.6. that each frequency be assign

    7、ed up to the maximum occupancy density allowed by the service to be 3.7. that any frequency assignment be regarded as temporary and be periodically re-examined, taking the above If the use of radio resources is unavoidable it is desirable: taking other requirements into account; the spectrum; employ

    8、ed should provide a transmission quality which does not exceed the minimum requirement; required purpose and cover only the essential service zone; provided; points into account. Edition of September 15,1988 232b4L4 00/4/63 796 TR 7%-0% Economy in the use of the frequency spectrum Adm Imp1 Remarks A

    9、UT Yes i BEL Yes CYP Yes CE Yes Implemented with certain divergence DNK Yes E No FIN Yes GRC IYes HNG IYes HOL IYes I l HRV Yes I Yes Practically implem ented IRL Yes ISL Yes LIE Yes Implemented with certain divergence LVA Planned NOR Yes POL Yes POR YGS ROU Yes S No SUI Yes Implemented with certain divergence SVK Yes SVN Planned TUR Yes Regulation on radio frequency bands in the Republic of Slovenia


    注意事项

    本文(CEPT T R 71-01 E-1988 Economy in the Use of the Frequency Spectrum《频谱使用的节约措施 1974年拉克鲁斯港》.pdf)为本站会员(proposalcash356)主动上传,麦多课文档分享仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文档分享(点击联系客服),我们立即给予删除!




    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服 - 联系我们

    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 

    收起
    展开