诺斯罗普·格鲁曼 Northrop Grumman Sperry Marine NAVIKNOT 600 船用多种传感器速度计程仪

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以下为官方介绍资料：

NAVIKNOT600系统产品基于一种卫星速度传感器，该传感器能得出地面上的两个轴向的速度信息。这种卫星测速仪可以单独使用，也可以与一个单轴电磁或多普勒测速仪组合使用。这种三向的卫星-电磁-多普勒组成可以提供最大的灵活性和余度。NAVIKNOT600系统采用一个双GPS天线阵以测量船的航向、速度、航迹和姿态。该装置的处理器采用了GPS数据，并与速率陀螺的输出信息进行组合以计算地面上的纵向和横向速度，精度可以达到+/-1%或0.1节。在锁定模式下，显示器给出转弯速度等图形显示，相关数据显示在一个明亮的高分辨率的大显示器上。

NAVIKNOT Multisensor Speed Log Series has been designed using the most advanced software, offering unlimited flexibility for all vessel types. The Speed Logs of Northrop Grumman Sperry Marine measures speed over ground (SOG) and speed through water (STW) with a speed accuracy of +/-1% or 0.1k, whichever is greater.

The NAVIKNOT's display provides ships water and ground speed information in an accessible way, for ease of use, quick interpretation and berthing and docking operations.

Benefits of the NAVIKNOT series:

•Varied selection of speed and distance interfaces

•Suitable for all types of vessels ranging from small pleasure craft to the largest crude carriers

•Simple and low-cost installation

•Type approved by Germanischer Lloyd to Marine Equipment Directive (MED) 96/98/EC

•Support of docking manoeuvres by displaying the necessary information Single and dual axis speed logs, 600 series with docking function, are available. The speed logs provide information about transversal and longitudinal ship's speed. The systems can be interfaced with most modern peripheral equipment and speed output can be transmitted to ARPA radar, ECDIS, AIS, VDR, etc.