M00;M11 标准查询与下载

ITU-R SA.1344-1 SPANISH-2009 在现有空间研究业务(SRS)配置中的空间甚长底线干涉量度法(VLBI)数据传输的首选频率频段和带宽

This Recommendation provides the preferred frequency bands and bandwidths for the transmission of science data and time/phase reference signals.

Preferred frequency bands and bandwidths for the transmission of space VLBI data within existing space research service (SRS) allocations

ITU-R M.1730-1-2009 在15.7-17.3 GHz频段的无线电定位业务的保护准则和特性

This Recommendation provides the technical characteristics and protection criteria for the radiolocation systems operating and planned to operate in the band 15.4-17.3 GHz. It was developed as a resource document intended to support sharing studies in conjunction with Recommendation ITU-R M.1461 addressing analysis procedures for determining compatibility between radars operating in the radiolocation service and other services.

Characteristics of and protection criteria for the radiolocation service in the frequency band 15.4-17.3 GHz

ITU-T RESOLUTION 22-2008 电信标准化顾问组(TSAG)在世界电信标准化全会(WTSAs)之间活动的授权

The World Telecommunication Standardization Assembly (Johannesburg, 2008), considering that, under the provisions of Article 14A of the ITU Convention, the Telecommunication Standardization Advisory Group (TSAG) is to provide guidelines for the work of study groups and recommend measures to foster coordination and cooperation with other standards bodies; that the rapid pace of change in the telecommunication environment and in industry groups dealing with telecommunications demands that the ITU Telecommunication Standardization Sector (ITU-T) make decisions on matters such as work priorities, study group structure and meeting schedules in shorter periods of time, between world telecommunication standardization assemblies (WTSA), in order to maintain its relevance and responsiveness.

Authorization for TSAG to act between WTSAs

ITU-T Q.1762-2007 固定移动融合的一般要求.19号研究组

This Recommendation is intended to be used as the general requirements document leading to the development of recommendations and implementation guidelines for the realization of fixed-mobile convergence (FMC). This is to ensure that all elements required for interoperability and the associated network capabilities to support applications globally across an FMC environment are adequately addressed by ITU-T standardization activities.

Fixed-mobile convergence general requirements Study Group 19

ITU-T H.460.12 FRENCH-2004 H.323系统内的眩光控制指标.系列H:视听和多媒体系统.视听业务的基础设施.多媒体的补充业务.16号研究组

This Recommendation specifies a mechanism that allows an egress H.323-PSTN Gateway to resolve a glare condition (also known as "dual seizure") that is detected on the Gateway when circuit selection is done on the Gatekeeper. The Gatekeeper delivers a Glare Control Indicator to the Gateway to inform the Gateway on how to deal with the glare condition.

Glare control indicator within H.323 systems SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMS Infrastructure of audiovisual services Supplementary services for multimedia Study Group 16

ITU-T K.54 SPANISH-2004 基本电源频率的抗传导测试方法和电平.系列K:干扰防护.5号研究组

This Recommendation refers to long-term (i.e., longer than 1 second) voltages induced by a.c. power or electrified railway lines on telecommunication lines. The Recommendation defines: the immunity level, which a telecommunication equipment shall comply to; the test method and procedure, which shall be used to verify the immunity level. The tests are applicable to telecommunication ports connected to external metallic telecommunication lines.

Conducted immunity test method and level at fundamental power frequencies SERIES K: PROTECTION AGAINST INTERFERENCE Study Group 5

ITU-T K.54 FRENCH-2004 基本电源频率的抗传导测试方法和电平.系列K:干扰防护.5号研究组

This Recommendation refers to long-term (i.e., longer than 1 second) voltages induced by a.c. power or electrified railway lines on telecommunication lines. The Recommendation defines: the immunity level, which a telecommunication equipment shall comply to; the test method and procedure, which shall be used to verify the immunity level. The tests are applicable to telecommunication ports connected to external metallic telecommunication lines.

Conducted immunity test method and level at fundamental power frequencies SERIES K: PROTECTION AGAINST INTERFERENCE Study Group 5

ITU-R M.1636 SPANISH-2003 移动卫星业务中互联网协议包网络传输基本参考模型和性能参数.问题ITU-R 85/8,ITU-R 87/8,ITU-R 112/8和ITU-R 233/8

This Recommendation provides basic reference models and definitions of performance parameters of Internet Protocol packet network transmission in the mobile-satellite service (MSS). The defined reference models and performance parameters are intended as a technical basis on which the performance objectives and availability are developed, in combination with the technical and operational characteristics for packet network transmission in the MSS.

Basic reference models and performance parameters of Internet Protocol packet network transmission in the mobile-satellite service Questions ITU-R 85/8 ITU-R 87/8 ITU-R 112/8 and ITU-R 233/8

ITU-R P.1148-1 FRENCH-1997 预测和实际观察到的高频(HF)天波信号强度对比的标准化程序以及这种对比的表示方法

The ITU Radiocommunication Assembly, considering that the overall accuracy of prediction procedures needs to be assessed; that the effect of proposed changes to prediction procedures needs to be determined; that detailed information regarding the modal, spatial, temporal and related accuracies will assist with the future development of such procedures.

STANDARDIZED PROCEDURE FOR COMPARING PREDICTED AND OBSERVED HF SKY-WAVE SIGNAL INTENSITIES AND THE PRESENTATION OF SUCH COMPARISONS

ITU-R P.1148-1 SPANISH-1997 预测和实际观察到的高频(HF)天波信号强度对比的标准化程序以及这种对比的表示方法

The ITU Radiocommunication Assembly, considering that the overall accuracy of prediction procedures needs to be assessed; that the effect of proposed changes to prediction procedures needs to be determined; that detailed information regarding the modal, spatial, temporal and related accuracies will assist with the future development of such procedures.

STANDARDIZED PROCEDURE FOR COMPARING PREDICTED AND OBSERVED HF SKY-WAVE SIGNAL INTENSITIES AND THE PRESENTATION OF SUCH COMPARISONS

ITU-T K.33 FRENCH-1996 故障状态时交流电和交流电气化铁路设施耦合到电信系统对人身安全的限值.系列K:干扰防护.5号研究组.19pp

This Recommendation concerns safety problems for people coming in contact with telecommunications circuits exposed to the induction of a.c. electric power or a.c. electrified railway lines.

Limits for People Safety Related to Coupling into Telecommunications System form A.C. Electric Power and A.C. Electrified Railway Installations in Fault Conditions - Series K: Protection Against Interference Study Group 5; 19 pp

ITU-T M.20 FRENCH-1992 电信网的维护准则.维护.介绍和一般原则(4号研究组)24pp

This Recommendation describes maintenance philosophy for telecommunications networks. It also defines Keywords network maintenance phases, network supervision capabilities, and bringing into service requirements.

Maintenance Philosophy for Telecommunication Networks - Maintenance: Introduction and General Principles (Study Group IV) 24 pp

ITU-T M.20 SPANISH-1992 电信网的维护准则.维护.介绍和一般原则(4号研究组)24pp

This Recommendation describes maintenance philosophy for telecommunications networks. It also defines Keywords network maintenance phases, network supervision capabilities, and bringing into service requirements.

Maintenance Philosophy for Telecommunication Networks - Maintenance: Introduction and General Principles (Study Group IV) 24 pp

ITU-T R.40 FRENCH-1988 电话与话上电报在同一电缆内的共存

The CCITT, considering that this process provides only one telegraph channel, in addition to the telephone channel, and that it can be applied only in comparatively few cases (lightly loaded or unloaded circuits, which cannot be used for multi-channel carrier telephony).

COEXISTENCE IN THE SAME CABLE OF TELEPHONY AND SUPER - TELEPHONE TELEGRAPHY

ITU-T R.40 SPANISH-1988 电话与话上电报在同一电缆内的共存

The CCITT, considering that this process provides only one telegraph channel, in addition to the telephone channel, and that it can be applied only in comparatively few cases (lightly loaded or unloaded circuits, which cannot be used for multi-channel carrier telephony).

COEXISTENCE IN THE SAME CABLE OF TELEPHONY AND SUPER - TELEPHONE TELEGRAPHY