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本標準規定了通信衛星和地球站進入國內衛星通信系統及國內衛星通信系統進入國內通信網時所必須滿足的一般技術要求 本標準適用于靜止衛星軌道(GS0)衛星固定業務,適用于國內通信衛星和租用衛星轉發器或波束組成的國內衛星通信系統。 本標準適用于S(M)CPC/PSK/FDMA、TDM/PSK/FDMA、TDMA、ATM、DVB-s、DVB-RCS等多種調制和多址方式
本標準規定了漢字鍵盤輸入用通用詞語。 本標準適用于漢字鍵盤輸入、方案優化和評測。中文信息處理的其他領域也可參照執行。
本標準規定了非能動安全系統壓水堆核電廠(以下簡稱“非能動核電廠”)設計過程中應滿足的設計目標,以及為實現設計目標而需遵循的設計原則、總體設計準則和設計準則。本標準適用于非能動核電廠的設計。
隨著經濟的發展,地下鐵道工程由原來的地下隧道,發展為地上和地下的城市軌道交通,其制式也多樣化,本標準除不適用于“磁懸浮”“跨坐式”“直線電機”制式城市軌道交通外,也適用于其他制式的城市輕型軌道交通的施工。
本規范適用于低、中水平放射性廢物近地表處置場的巖土工程勘察,不適用于天然和人工巖洞(礦井)內處置以及中等深度和深地質處置場的巖土工程勘察。
本標準規定了物聯網水表的結構、分類及型號,要求,試驗方法,檢驗規則,標志、包裝、運輸和貯存。本標準適用于采用2G、3G、4G、NB-IoT、eMTC等蜂窩移動通信及其后續演進技術,接入我國公共陸地移動網絡,并符合GB/T 778.1、GB/T 778.2、GB/T 778.4相關規定的飲用冷水水表和熱水水表。
MH/T 1064的本部分規定了采用有人駕駛直升機(以下簡稱直升機)對架空輸電線路進行巡檢作業、激光掃描作業、帶電作業、帶電水沖洗作業、吊裝組塔作業以及展放導引繩作業等六類作業方式的基本安全要求。本部分適用于采用有人駕駛直升機對架空輸電線路所進行的上述六類作業。
MH/T 3011的本部分規定了勤務車輛停靠民用航空器(以下簡稱航空器)的基本規則。 本部分適用于勤務車輛停靠航空器。
本標準規定了民用航空空中交通管制綜合信息顯示系統的功能、性能、數據類型和格式、接口規范及網絡布局等方面的要求。本標準適用于民用航空空中交通管制中心綜合信息顯示系統(以下簡稱系統)的建設。
本標準適用于大型、中型水利水電工程的項目建議書階段、可行性研究報告階段、初步設計階段和技施設計階段的征地移民實物調查。小型水利水電工程和征地范圍較小的水閘、穿渠(堤)建筑物等工程的實物調查,可參照本標準適當簡化。
本規范適用于新建或改、擴建的陸地長距離輸送石油、天然氣管道、煤氣管道、成品油管道線路工程的水工保護工程施工,以及在役管道線路維修工程的水工保護工程施工。
本規程規定了鉆孔灌注樁生產施工的各項技術工作要求及有關工藝操作規定。\t本規程適用于陸地或水城的工業與民用建筑、重型設施、碼頭、橋梁、港口等構筑物鉆孔灌注樁基礎施工。也適用于鉆孔樁護坡擋土治理滑坡以及斜樁、擴底樁、樹根樁等特種工程施工。
本標準規定了利用語音方式訪問互聯網的技術要求,包括語音上網服務系統結構、設備功能要求、Voice XML系統架構、語音標記語言格式、語音瀏覽器與語音服務器信息交互格式、語音服務系統安全性要求等。本標準適用于語音上網服務系統及相關設備。
本標準規定了在中華人民共和國境內從事漁業船舶生產(包括建造、改裝)企業的開工技術條件及要求。本標準適用于各類各級從事鋼質、纖維增強塑料和木質漁業船舶生產的企業。從事其他材質的漁業船舶生產企業可參照執行。
The ITU Radiocommunication Assembly, considering that radar systems can produce interference to digital radio-relay systems (DRRSs) in some situations; that there are two coupling mechanisms by which radiated energy from radar stations may be coupled into radio-relay systems: radar spurious emission in the radio-relay bands; radio-relay system front-end overload (receiver desensitization) caused by the radar fundamental frequency; that the most desirable method of mitigating the interference may be to reduce the spurious emissions at the radar transmitter to a sufficiently low level; that some of the techniques employed by radio-relay system designers to enhance system performance are expected to reduce the susceptibility of these systems to interference from radar transmitters.
IMT-2000 defines 3rd generation mobile systems which are scheduled to start service around the year 2000 subject to market considerations. They will provide access, by means of one or more radio links, to a wide range of telecommunication services support
This Report presents an overview of Inspections Procedures in response to Question ITU-R 225/1 regarding inspection techniques and procedures. The Question relates to how administrations proceed in planning and conducting radio station inspections. The purpose of this Report is to provide general guidelines for planning and performing inspection activities on various types of radio stations. Inspection activities often include review and verification of both technical and administrative conditions assigned to a radio station or other spectrum user. Although the term “licensed” is used throughout the document, this term can be considered here to include not only stations with licences issued by the regulatory authority, but also other authorized spectrum users (such as those operating with “licence exempt” devices like low-power radios and RF devices operating under equipment standards approval). The primary focus of this report is to consider inspections that are conducted “on-site”, by visiting the transmitter location. Included in Annexes are some specific examples in certain services, toprovide examples of howthe general guidelines can be applied. This Report should be considered a general guidance document for inspections planning.
This Report presents an overview of Inspections Procedures in response to Question ITU-R 225/1 regarding inspection techniques and procedures. The Question relates to how administrations proceed in planning and conducting radio station inspections. The purpose of this Report is to provide general guidelines for planning and performing inspection activities on various types of radio stations. Inspection activities often include review and verification of both technical and administrative conditions assigned to a radio station or other spectrum user. Although the term “licensed” is used throughout the document, this term can be considered here to include not only stations with licences issued by the regulatory authority, but also other authorized spectrum users (such as those operating with “licence exempt” devices like low-power radios and RF devices operating under equipment standards approval). The primary focus of this report is to consider inspections that are conducted “on-site”, by visiting the transmitter location. Included in Annexes are some specific examples in certain services, toprovide examples of howthe general guidelines can be applied. This Report should be considered a general guidance document for inspections planning.
This Recommendation defines the design, characteristics and application of the Numbering Plan for Public Data Networks. The International Numbering Plan for Public Data Networks has been developed in order to facilitate the operation of public data networ
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