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本標準規(guī)定了我國職業(yè)的分類結(jié)構(gòu)、類別、代碼及說明。本標準適用于按職業(yè)分類的各種普查、調(diào)查統(tǒng)計及行政管理和國內(nèi)外信息交流等。
本標準為船東和船隊管理系統(tǒng)(FMS)操作者選擇和執(zhí)行網(wǎng)絡管理服務提供概況和指南,它包括:a)一般基礎設施的指南,包括寬帶網(wǎng)絡、數(shù)據(jù)傳輸服務;b)船上安裝指南,包括應用程序的服務;c)陸上安裝指南,包括應用程序、數(shù)據(jù)庫工具。本標準不涉及安全相關系統(tǒng)的要求,例如航海、無線電通信及船舶控制系統(tǒng)。本標準不涉及與FMS相關的環(huán)境因素。
本標準適用于按《高速船安全規(guī)則》(HSC規(guī)則)[IMO MSC.36(63)決議第13章]要求安裝在高速船上的探照燈。安裝在高速船上的探照燈有助于發(fā)現(xiàn)其他船舶、海上結(jié)構(gòu)物、航行障礙物、浮動物體和生物、海岸線及固定航標和浮標。在航行中為駕駛者提供航行安全、避碰以及搜尋救助遇難者等必要的幫助。
本標準適用于安裝在高速船上的夜視儀的操作和性能要求及其試驗方法,高速船需符合IMO的高速船安全規(guī)則(HSC規(guī)則)第13章的要求,并且高速船夜視儀應符合IMO MSC.94(72)的性能標準。
GB/T 30287的本部分規(guī)定了衛(wèi)星定位船舶信息服務系統(tǒng)(以下簡稱系統(tǒng))的體系結(jié)構(gòu)和功能描述。本部分適用于通過衛(wèi)星定位技術、采用公眾移動通信網(wǎng)絡或?qū)S靡苿油ㄐ啪W(wǎng)絡、具有船舶信息服務中心的信息系統(tǒng),可作為系統(tǒng)設計依據(jù)。通過非衛(wèi)星定位技術、具有船舶信息服務中心的信息系統(tǒng)亦可參照執(zhí)行。
本標準規(guī)定了船舶艙室火災探測器的分類、選型原則及布置原則。本標準適用于船舶火災探測系統(tǒng)中火災探測器的設計選型和布置。
The ITU Radiocommunication Assembly, considering that radar systems can produce interference to digital radio-relay systems (DRRSs) in some situations; that there are two coupling mechanisms by which radiated energy from radar stations may be coupled into radio-relay systems: radar spurious emission in the radio-relay bands; radio-relay system front-end overload (receiver desensitization) caused by the radar fundamental frequency; that the most desirable method of mitigating the interference may be to reduce the spurious emissions at the radar transmitter to a sufficiently low level; that some of the techniques employed by radio-relay system designers to enhance system performance are expected to reduce the susceptibility of these systems to interference from radar transmitters.
The passive radio astronomy service (RAS) is studying natural phenomena producing radio emissions at frequencies fixed by the laws of nature. Primary allocations have been made to various space services in the Earth-to-space direction such as the fixed-satellite service (FSS), radionavigation-satellite service (RNSS), mobile-satellite service (MSS) and broadcasting-satellite service (BSS) in bands adjacent or nearby to bands allocated to the RAS.
The purpose of the Report is to define the public protection and disaster relief (PPDR) objectivesand requirements for the implementation of future advanced solutions to satisfy the operationalneeds of PPDR organizations around the year 2010. Specifically, it identifies objectives, applications, requirements, a methodology for spectrum calculations, spectrum requirements and solutionsfor interoperability
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