共找到 1275 条与 基础标准和通用方法 相关的标准,共 85 页
Electronic Signatures and Infrastructures (ESI); XML Advanced Electronic Signatures (XAdES) (V1.4.2; Includes Diskette)
This recommendation defines the list of checks to be performed during the functionality and interoperability testing of fixed Broadband access (further BBA) for PPPoE technology in an operator and Model networks. This document defines the tasks for BBA NUT testing and, a tests list for a model network, the reasonability of using one or other network for carrying out specified test groups.
(Pre-Published) The scenarios list and types of tests for fixed Broadband NUT testing on the Model networks. PART I
Access, Terminals, Transmission and Multiplexing (ATTM); External Common Power Supply for Customer Premises Network and Access Equipment; Part 1: Functional requirements V1.1.1
This Recommendation defines enhancements to resource and admission control protocols [ITU-T Q.3320] to make use of pre-congestion notification (PCN) which is defined in [IETF RFC 5559] and is a new approach to guarantee quality of service within Diffserv-controlled domains.
Enhancement of resource and admission control protocols to use pre-congestion notification (Study Group 11)
This Recommendation provides guidance about disposal orbits for satellites in the geostationary- satellite orbit and comments on the increase in debris due to fragments resulting from increased numbers of satellites and their associated launches.
Environmental protection of the geostationary-satellite orbit
Methods for Testing and Specification (MTS); The Testing and Test Control Notation version 3; Proforma for TTCN-3 reference test suite (V1.1.1; Includes Diskette)
Access, Terminals, Transmission and Multiplexing (ATTM); External Common Power Supply for Customer Premises Network and Access Equipment; Part 4: CPS Type 2.b implementation details V1.1.1
This Report contains update to the work done at (CCIR, 1991). It shows the EVA communication requirements in the 410-420 MHz band and identifies typical communication characteristics for the fixed and mobile services in the band. The Report contains the interference investigation/analysis from the space research EVA systems to the fixed and mobile service systems in terms of power flux-densities incident at the surface of the Earth. A representative fixed service system and a representative mobile service system are used in evaluating interference to the space research EVA links. The power flux-density (pfd) levels in this Report under § 4 (called new proposed PFD limits) are those in No. 5.268 in the Radio Regulations (RR).
Sharing conditions between space research service extra vehicular activities (EVA) links and fixed and mobile service links in the 410-420 MHz band
Environmental Engineering (EE); Monitoring and Control Interface for Infrastructure Equipment (Power, Cooling and Building Environment Systems used in Telecommunication Networks); Part 8: Remote Power Feeding System control and monitoring information mode
Radio noise from different sources introduce a certain unwanted background RF level at the input stage of any receiver that the wanted signals have to overcome for successful reception. Recommendation ITU-R P.372 defines the term radio noise as well as its different sources and states average values for each source separately. Below 1 GHz, noise from one or more of the following sources may be dominant, depending on the frequency: Galactic noise; Atmospheric noise due to lightning; Man-made noise (MMN).
Man-made noise measurements in the HF range
Radio noise from different sources introduce a certain unwanted background RF level at the input stage of any receiver that the wanted signals have to overcome for successful reception. Recommendation ITU-R P.372 defines the term radio noise as well as its different sources and states average values for each source separately. Below 1 GHz, noise from one or more of the following sources may be dominant, depending on the frequency: Galactic noise; Atmospheric noise due to lightning; Man-made noise (MMN).
Man-made noise measurements in the HF range
本标准规定了建筑物电子系统防雷装置的检测内容和技术要求、检测方法、检测数据整理和判定、检测报告和整改意见等内容。 本标准适用于北京市建筑物电子系统防雷装置性能的检测。
Technical specification for detection of lightning protection devices for building electronic systems
Electronic Signatures and Infrastructures (ESI); PDF Advanced Electronic Signature Profiles; Part 5: PAdES for XML Content - Profiles for XAdES signatures (V1.1.2)
Electronic Signatures and Infrastructures (ESI); PDF Advanced Electronic Signature Profiles; Part 2: PAdES Basic - Profile based on ISO 32000-1 (V1.2.1)
Electronic Signatures and Infrastructures (ESI); PDF Advanced Electronic Signature Profiles; Part 3: PAdES Enhanced - PAdES-BES and PAdES-EPES Profiles V1.1.1
Electronic Signatures and Infrastructures (ESI); PDF Advanced Electronic Signature Profiles; Part 1: PAdES Overview - a framework document for PAdES (V1.1.1)
Electronic Signatures and Infrastructures (ESI); PDF Advanced Electronic Signature Profiles; Part 4: PAdES Long Term - PAdES-LTV Profile (V1.1.2)
Methods for Testing and Specification (MTS); The Testing and Test Control Notation version 3; Part 4: TTCN-3 Operational Semantics V4.1.1
XML Advanced Electronic Signatures (XAdES) V1.4.1
This Report describes the physical-statistical wideband LMSS channel model proposed in draft Recommendation ITU-R P.681-7 § 7, providing all background and relevant information. The relevant information was taken from input Document 3M/52, Annex 4, and input Document 3M/70.
Model parameters for an urban environment for the physical-statistical wideband LMSS model in Recommendation ITU-R P.681-6
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