英文名称:Maritime navigation and radiocommunication equipment and systems - Automatic identification system (AIS) - Part 2: AIS AtoN Stations - Operational and performance requirements, methods of testing and required test results 标准状态:现行
IEC62287-1:2017是一个国际电工委员会(IEC)发布的标准,针对海事导航和无线电通信设备与系统的自动识别系统(AIS)的B类设备。这个标准主要关注AIS设备的通信技术。 具体来说,这个标准涉及到CSTDMA技术,这是一种载波检测时分多址接入技术。在通信系统中,多个设备可能同时使用相同的频段进行通信,这时就需要一种技术来区...
129 ~ 137: 代表绝对的航行方向。 值为 011001111 表示207°。 138 ~143: 代表发射机对外发出船舶运行状态 的UTC 时间。 144 ~147: 为保留位。 148: 换行符。 149: RAIM 符号标志。 150 ~ 168: 代表船舶通信信息。 其中前2 位为 00 表示直接对时间进行解析, 紧接着3 位为000 表 ...
Cluster 6 ship behavior is geographically concentrated in the southern part of the waters, with an azimuth primarily at 90°. The peak course change is 0, indicating relatively small changes in course, and the peak speed change is 0.3, indicating slight acceleration. Cluster 9 ship behavior is...
海洋雷达、ARPA和AIS显示器:FURUNO FAR-2117 2127 2137S20说明书 MARINE RADAR WITH ARPA AND AIS DISPLAY Models FAR-2117/2127/2137S 20” High resolution Multi-color LCD Catalogue No. R-184c TRADE MARK REGISTERED MARCA REGISTRADA The future today with FURUNO's electronics technology.FURUNO ELECTRIC ...
Pass Guarantee:Unfortunately, STCUSA only offers a pass guarantee as part of their courses that include their Green Light Exam— so their Standard package doesn’t count. This means you’ll have to spring for one of the more expensive courses if you want a guarantee that your study materials...
英文名称:Maritime navigation and radiocommunication equipment and systems - Automatic identification systems (AIS) - Part 2: Class A shipborne equipment of the automatic identification system (AIS) - Operational and performance requirements, methods of test and required test results ...
英文名称:Maritime navigation and radiocommunication equipment and systems - Class B shipborne equipment of the automatic identification system (AIS) - Part 2: Self-organising time division multiple access (SOTDMA) techniques 标准状态:现行 发布日期:2013-03-18 ...
The LEDs, 50, 52, and 54 preferably emit light in the near infrared having a predominant wavelength of 880 nanometers in the example described. The near infrared penetrates through oil better than visible light does. This is explained in co-pending application Ser. No. 08/483,137 by Auzer...
(IG I³ 1226; CEG I 61); das Monument des Menekrates auf Corfu: CEG I 143; Ecker 1990, 88–110; das Monument des Praxiteles in Troizen: IG IV 800; CEG I 139; Ecker 1990, 120–131; eine Inschrift aus der Nähe von Methana: CEG I 137; von Premerstein 1909; ...