
【国外标准】 Methodology for determining performance objectives for narrow-band channels in mobile satellite systems using geostationary satellites not forming part of the ISDN
本网站 发布时间:
2025-06-10
- ITU-R M.1228
- 现行
- 定价: 无文本
- 在线阅读
开通会员免费在线看70000余条国内标准,赠送文本下载次数,单本最低仅合13.3元!还可享标准出版进度查询、定制跟踪推送、标准查新等超多特权!  
查看详情>>

适用范围:
暂无
标准号:
ITU-R M.1228
标准名称:
Methodology for determining performance objectives for narrow-band channels in mobile satellite systems using geostationary satellites not forming part of the ISDN
英文名称:
标准状态:
现行-
发布日期:
2028-02-01 -
实施日期:
出版语种:
- 其它标准
- 上一篇: ITU-T X.931 Information technology - Open Distributed Processing - Protocol support for computational interactions
- 下一篇: ITU-T V.25 Automatic answering equipment and general procedures for automatic calling equipment on the general switched telephone network including procedures for disabling of echo control devices for both manually and automatically established calls
- 推荐标准
- ASTM D4977/D4977M-20 Standard Test Method for Granule Adhesion to Mineral-Surfaced Roofing by Abrasion
- ASTM D5/D5M-20 Standard Test Method for Penetration of Bituminous Materials
- ASTM D5030/D5030M-21 Standard Test Methods for Density of In-Place Soil and Rock Materials by the Water Replacement Method in a Test Pit
- ASTM D5076/D5076M-13(2019) Standard Test Method for Measuring Voids in Roofing and Waterproofing Membranes
- ASTM D5092/D5092M-16 Standard Practice for Design and Installation of Groundwater Monitoring Wells
- ASTM D5118/D5118M-22 Standard Practice for Fabrication of Fiberboard Shipping Boxes
- ASTM D5192/D5192M-22 Standard Practice for Collection of Coal Samples from Core
- ASTM D5193/D5193M-93(2022) Standard Test Method for Coated Fabrics—Air Retention
- ASTM D522/D522M-17(2021) Standard Test Methods for Mandrel Bend Test of Attached Organic Coatings
- ASTM D5240/D5240M-20 Standard Test Method for Evaluation of the Durability of Rock for Erosion Control Using Sodium Sulfate or Magnesium Sulfate
- ASTM D5270/D5270M-20 Standard Practice for (Analytical Procedures) Determining Transmissivity and Storage Coefficient of Bounded, Nonleaky, Confined Aquifers
- ASTM D5278/D5278M-09(2017) Standard Test Method for Elongation of Narrow Elastic Fabrics (Static-Load Testing)
- ASTM D5295/D5295M-18 Standard Guide for Preparation of Concrete Surfaces for Adhered (Bonded) Membrane Waterproofing Systems
- ASTM D5299/D5299M-18 Standard Guide for Decommissioning of Groundwater Wells, Vadose Zone Monitoring Devices, Boreholes, and Other Devices for Environmental Activities
- ASTM D5312/D5312M-21 Standard Test Method for Evaluation of Durability of Rock for Erosion Control Under Freezing and Thawing Conditions