M16 信息传输指标 标准查询与下载

ITU-T X.692 CORR 1-2005 信息技术-ASN.1编码规则 - 编码控制表记法(ECN)规范

This Technical Corrigendum solves identified defects in ITU-T Rec. X.692 | ISO/IEC 8825-3 which prevented its use in support of ITU-T Rec. X.891 | ISO/IEC 24824-1 "Fast Infoset". The changes introduced in this Corrigendum are summarized as follows

Information technology ?ASN.1 encoding rules: Specification of Encoding Control Notation (ECN) Technical Corrigendum 1 Study Group 17

ITU-T X.501 CORR 3-2005 信息技术.开式系统互连.人名地址录:模式技术

Corrigendum 3 to ITU-T Recommendation X.501 (1997) was approved on 14 May 2005 by ITU-T Study Group 17 (2005-2008) under the ITU-T Recommendation A.8 procedure.

Information technology ?Open Systems Interconnection ?The Directory: Models Technical Corrigendum 3 Study Group 17

ITU-T T.801 AMD 2-2005 信息技术-JPEG 2000图像编码系统:扩展修改件2:扩展性能标记块

The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical

Information technology JPEG 2000 image coding system: Extensions Amendment 2: Extended capabilities marker segment Study Group 16

ITU-T X.691 CORR. 1-2005 信息技术.ASN.1编码规则-分组编码规则(PER)的规范

This technical corrigendum to ITU-T Rec. X.691 | ISO/IEC 8825-2 clarifies how the "useful types" are to be encoded in PER.

Information technology ?ASN.1 encoding rules: Specification of packed encoding rules (PER) Technical Corrigendum 1:

ITU-T X.680 CORR.1-2005 信息技术.抽象句法表记法.(ASN.1):基本表记法规范

This technical corrigendum to ITU-T Rec. X.680 | ISO/IEC 8824-1 clarifies which "SubtypeElements" are permitted in "PermittedAlphabet" constraint.

Information technology ?Abstract Syntax Notation One (ASN.1): Specification of basic notation SERIES X: DATA NETWORKS, OPEN SYSTEM COMMUNICATIONS AND SECURITY OSI networking and system aspects ?Abstract Syntax Notation One (ASN.1) Study Group 17

ITU-T G.107-2005 用于传输规划的计算模型:E 模型 研究12组

This Recommendation describes a computational model, known as the E-model, that has proven useful as a transmission planning tool

The E-model, a computational model for use in transmission planning Study Group 12

ITU-T J.281 FRENCH-2005 基于IP的光纤网络的多频道视频信号传输要求.9号研究组

This Recommendation defines the requirements for a multichannel video signal transmission system over IP-based fibre network. The video service is expected to be the same as the current digital broadcasting service in which high-quality video programmes including HDTV are provided as a part of a set of services, such as data services, conditional access system and electric programme guide.

Requirements for multichannel video signal transmission over IP-based fibre network

ITU-T J.281 SPANISH-2005 基于IP的光纤网络的多频道视频信号传输要求.9号研究组

This Recommendation defines the requirements for a multichannel video signal transmission system over IP-based fibre network. The video service is expected to be the same as the current digital broadcasting service in which high-quality video programmes including HDTV are provided as a part of a set of services, such as data services, conditional access system and electric programme guide.

Requirements for multichannel video signal transmission over IP-based fibre network

ITU-T T.801 CORR 3-2005 信息技术-JPEG 2000图像编码系统:扩展系列T:远程信息处理业务使用的终端设备

This Corrigendum provides corrections to the descriptions of the Animation and Compositing data structures within the JPX file format.

Information technology JPEG 2000 image coding system: Extensions SERIES T: TERMINALS FOR TELEMATIC SERVICES

ITU-R S.1522-1 SPANISH-2005 假设参考数字通道中同步恢复时间的损失在可用性上的影响.问题ITU-R 73/4

Service restoration time is an important factor that must be taken into consideration when determining the performance requirements of the service. This Recommendation gives the typical C/(N + I ) level when considering the loss of synchronization, the typical recovery times and sych loss threshold.

Impact of loss of synchronization recovery time onavailability in hypothetical reference digital paths

ITU-R S.614-4-2005 运行于基群速率以上的假设参考数字通道的可允许误码性能

that there are satellite hypothetical reference digital paths (HRDP) still in operation that have been designed taking into account the objectives of ITU-T Recommendation G.821, including degrading minutes parameter that was subsequently deleted in the

Allowable Error Performance for a Hypothetical Reference Digital Path in the Fixed-Satellite Service Operating Below 15 GHz When Forming Part of an International Connection in an Integrated Services Digital Network

ITU-T T.808-2005 信息技术-JPEG 2000图像编码系统:交互工具、应用程序接口和协议系列T:远程信息处理业务

Information technology ?JPEG 2000 image coding system: Interactivity tools, APIs and protocols SERIES T: TERMINALS FOR TELEMATIC SERVICES

Information technology JPEG 2000 image coding system: Interactivity tools APIs and protocols

ITU-R S.1712-2005 确定一个在给定地点的FSS地球站是否能在13.75-14 GHz波段范围内传输而不超出5.502无线

WRC-03 adopted Resolution 144 to invite the ITU-R to develop Recommendations to establish technical or operational methods to facilitate sharing and greater flexibility in deployment of FSS earth stations smaller than 4.5 m in the band 13.75-14 GHz in co

Methodologies for determining whether an FSS earth station at a given location could transmit in the band 13.75-14 GHz without exceeding the pfd limits in No. 5.502 of the Radio Regulations and guidelines to mitigate excesses

ITU-R S.1522-1-2005 在假设参考数字通路中同步和调速恢复损失在可用性上的影响ITU-R 73/4

The synchronization behaviour of several different classes of receivers were examined based on measurements performed or information supplied by earth station receiver manufacturers. The objectives of the investigation were to determine the interference

Impact of loss of synchronization recovery time onavailability in hypothetical reference digital paths Question ITU-R 73/4

ITU-T V.75 CORR 1 FRENCH-2005 数字语音数据同传(DSVD)终端控制规程.16号研究组

This corrigendum addresses corrections and clarifications in ITU-T Rec. V.75 (1996) concerning errors and omissions in Tables 3 and 6, positioning of segmentation/reassembly header, negotiation of suspend/resume option, usage of H.245 "portNumber", normative references, and update of the ASN.1 regarding N401 Value Range, H.245 codepoints for V.42 bis on an ERM channel, and codepoint for G.729 Annex B.

DSVD terminal control procedures Corrigendum 1

ITU-R S.1522-1 FRENCH-2005 假设参考数字通道中同步恢复时间的损失在可用性上的影响.问题ITU-R 73/4

Service restoration time is an important factor that must be taken into consideration when determining the performance requirements of the service. This Recommendation gives the typical C/(N + I ) level when considering the loss of synchronization, the typical recovery times and sych loss threshold.

Impact of loss of synchronization recovery time onavailability in hypothetical reference digital paths

ITU-T T.802-2005 (预发行)信息技术-JPEG 2000图像编码系统:第3部分:影视JPEG 2000系列T:远程信息

In this Recommendation, the expression "Administration" is used for conciseness to indicate both a telecommunication administration and a recognized operating agency.

Information technology JPEG 2000 image coding system: Motion JPEG 2000 Study Group 16

ITU-T X.520 CORR 2-2005 信息技术.开式系统互连.人名地址录:选择分配类型

In this Recommendation, the expression "Administration" is used for conciseness to indicate both a telecommunication administration and a recognized operating agency

Information Technology - Open Systems Interconnection - The Directory: Selected Attribute Types Technical Corrigendum 2 Study Group 17

ITU-T X.694 CORR 1-2005 信息技术 - ASN.1编码规则:W3C XML图解定义到ASN.1的映射

This technical corrigendum corrects three defects found in the ASN.1 module defined in Annex A.

Information technology ?ASN.1 encoding rules: Mapping W3C XML schema definitions into ASN.1 Technical Corrigendum 1 Study Group 17

ITU-T X.511 CORR 2-2005 信息技术.开式系统互连.人名地址录:摘要服务定义

The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications.

Information technology ?Open Systems Interconnection ?The Directory: Abstract service definition Technical Corrigendum 2 Study Group 17