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海事移动设备检测项目报价? 解决方案? 检测周期? 样品要求? |
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GB/T 18978的本部分给出了设计和评估表单的要求与建议,用户可以在系统所呈现的“表单”或对话框中进行填写、选择输入或修改标签字段等操作。系统会创建或更新与表单相关的数据。表单的输入主要采用键入(缩写或全称)的方式,用户也可以从可用的选项列表中进行选择。本部分适用于多种表单,无论其表现模态是什么(视觉的、空间的、语音的)。但本部分中的大部分指南都是基于视觉和空间关系模式的。本部分规定了在表单输入(例如,列表框)时如何使用非文本的方法,也包含了基于表单技术的对话框。本部分给出了选择和设计与表单相关的用户界面元素的指南。本部分包含了用于输入表单数据的列表,但与列表类似的菜单设计不在本部分范围之内,可参照ISO 9241-14。本部分也不适用于与表单相关的硬件。本部分中的要求和建议适用于表单的整个开发过程和采购过程。例如,作为设计者的指南,作为启发式评估的基础和可用性测试的指南等。
GB/T 18978的本部分给出了网络用户界面以人为中心的设计指南,旨在提高界面的可用性。网络用户界面既针对所有的因特网用户,也针对封闭的用户群,例如组织中的员工、公司的客户和(或)供应商,或者其他特定的社区人群。本部分给出的网络用户界面设计的建议主要集中在以下几个方面:--高层设计决策和设计策略;--内容设计;--导航和搜索;--内容显示。本部分不直接涉及各类用户代理的界面,例如网络浏览器,也不直接涉及辅助工具的界面,例如网络编辑工具(虽然其中一些指南同样也适用于这些领域)。网络用户界面可在个人计算机系统、移动系统或者其他与网络相连接的设备上呈现。虽然本部分中的建议也适用于广泛的已有的前端技术,但是移动网络界面和智能设备界面可能还需要其他设计指南,这些指南并未包含在本部分的范围之内。本部分也不提供有关技术实现以及美学或艺术设计的详细指南。
GB/T 37159的本部分规定了海洋石油自升式钻井平台(以下简称“平台”)建造与设备安装、调试方法、验收准则。本部分适用于海洋石油自升式钻井平台建造与设备安装、调试与验收。
GB/T 37159的本部分规定了海洋石油自升式钻井平台(以下简称“平台”)投入运营后的证书、作业及检验要求。本部分适用于海洋石油自升式钻井平台的运营和检验。
本标准适用于港口工程的规划、勘测、设计、施工、监理、检测、科研和管理。
本标准规定了自动识别系统(AIS)航标的分类、电文、参数配置、甚高频数据链路(VDL)接入方式、显示符号,以及布设AIS航标的考虑因素。本标准适用于AIS航标的设计、研制、布设和管理,航海人员和相关组织机构使用AIS航标助航服务时可参考使用。
本规范规定了石油化工大型设备运输的技术要求。本规范适用于石油化工工程项目中,满足下列条件之一的设备运输:--设备质量大于等于100t;--设备长度大于等于20m;--设备宽度大于等于4. 5m;--设备高度大于等于3. 8m。
本标准规定了水利水电工程土建施工的安全技术要求。本标准适用于大中型水利水电工程土建施工中的安全技术管理、安全防护与安全施工,小型水利水电工程及其他土建工程可参照执行
本出版物作为从事近海区域油气钻探、生产和贮存的新建平台的设计和建造以及现有平台的重新移位的有关人员的指南。此外,还提供了对现有平台进行评估的指南,以便在必要时确定结构是否“适合其用途”。在开始实际设计之前,应做出周密的规划,以便能建成一个可完成预定功能的实用而经济的海洋平台。初步规划应包括确定平台设计所依据的所有标准。
本标准规定了火力发电厂初步设计文件编制的内容深度。本标准适用于单机容量 125MW 及以上燃用固体化石燃料,采用直接燃烧方式的新建及扩建火力发电厂的初步设计,125MW 及以下机组及改建工程参照执行。
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
In the early 1990s, the International Association of Maritime Aids to Navigation and Lighthouse Authorities (IALA) first proposed the development of a universal shipborne system to improve the maritime safety and efficiency of navigation, and to help protect the marine environment. Subsequent to that proposal, the International Maritime Organization (IMO), the ITU, and the International Electrotechnical Commission (IEC) adopted a new navigation system now known as the Automatic Identification System (AIS) to help achieve these goals. The primary purpose of the AIS is to facilitate the efficient exchange of navigational data between ships and between ships and shore stations to significantly improve safety of navigation and promote improved control and monitoring of maritime events. The technical characteristics of the current AIS system using time division multiple access (TDMA) techniques in the VHF maritime mobile band are described in detail in Recommendation ITU-R M.1371.
The 1997 ITU World Radio Conference (WRC-97), by request from International Maritime Organization (IMO) (NAV 43; 1997), designatedtwo upper legs of the duplex VHF public correspondence (VPC) channels, channels 87B and 88B, for the AIS globally. Following that frequency designation and the request for a technical standard for the AIS from IMO/NAV43, the ITU-R commenced drafting the AIS technical standard ITU-R M.1371 which also designated the Appendix 18 of the Radio Regulations (RR) channels 87B and 88B as the global ship-to-ship default channels for use on the high seas and globally unless otherwise designated by administrations within their territorial waters.
This Report describes how mobile-satellite service (MSS) systems can provide disaster relief radiocommunications. In addition, it provides descriptions of the operating and planned MSS systems which can provide such operations.
This Report considers interferences from devices using ultra-wideband (UWB) technology on radiocommunication services. As a main objective, it evaluates UWB e.i.r.p. density required for the protection of radiocommunication services.This Report also includes laboratory and field measurements on the impact of devices using UWB technology on radiocommunication services.
Band segmentation between radiocommunication services can be viewed as actually eliminatingsharing by creating sub-allocations.
This Supplement is an \"information\" document and is intended as a roadmap and a source of references for documents related to IMT-2000 specifications from ITU-T as well as from sources outside the ITU (e.g.3GPPs and SDOs.) The list of documents contained in this Supplement should therefore be treated as \"bibliographic\" references.The scope includes any relevant standards that are targeted toward the specification of IMT-2000 systems.NOTE–This version of this Supplement (Issue 2) includes information up to November,2000 whereas the previous version (Issue 1) included information up to February, 2000.Clause 7 has been substantially extended and Clauses 8 and 9 have been revised and updated.Updates will be reflected in future versions.
This Supplement is an \"information\" document and is intended as a roadmap and a source of references for documents related to IMT-2000 specifications from ITU-T as well as from sources outside the ITU (e.g.3GPPs and SDOs.) The list of documents contained in this Supplement should therefore be treated as \"bibliographic\" references.The scope includes any relevant standards that are targeted toward the specification of IMT-2000 systems.NOTE–This version of this Supplement (Issue 2) includes information up to November,2000 whereas the previous version (Issue 1) included information up to February, 2000.Clause 7 has been substantially extended and Clauses 8 and 9 have been revised and updated.Updates will be reflected in future versions.
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