There is an ARPA radar on either side.
驾驶台两侧各有一个ARPA雷达。
Inaccurate data when the application of the ARPA radar applications function better.
数据不准确的时候的应用，使雷达的ARPA功能得到更好的应用。
The invention of ARPA radar resulted in a fundamental change in the study of geometrical collision avoidance, which turned automatic collision avoidance into reality.
ARPA雷达的出现为几何避碰的研究带来质的变化，使得实现船舶自动避碰成为可能。
However, due to the inherent defects of radar, ARPA cannot provide the precise data which is necessary for automatic collision avoidance.
然而，由于雷达固有的缺陷，ARPA系统并不能提供自动避碰所需的准确信息，从而制约了自动避碰系统的实际应用。
STCW definitely order that the officer of watch onboard a ship of more than 500 ton must have the ability to use radar and ARPA to keep the voyage in safe stage.
STCW公约明确要求500总吨或以上船舶，负责航行值班的高级船员能使用雷达和自动雷达标绘仪保持安全航行。
Research on radar image& chart graph overlapping technique in ECDIS was made, object's information from ARPA and radar echo images can be displayed.
开展了海图数据与雷达图像的叠加研究，能够显示来自ARPA雷达的目标信息与雷达回波图像。
ARPA (Automatic Radar Plotting Aids) is a ship's main assistant equipments for navigation and collision. If it is to be used correctly, no doubt it will make active effect to ship's navigation.
ARPA(自动雷达标绘仪)是当今船舶导航避碰主要的辅助设备，如果使用得当，无疑对船舶航行安全将起到积极的作用。
ARPA (Automatic Radar Plotting Aids) is a ship's main assistant equipments for navigation and collision. If it is to be used correctly, no doubt it will make active effect to ship's navigation.
ARPA(自动雷达标绘仪)是当今船舶导航避碰主要的辅助设备，如果使用得当，无疑对船舶航行安全将起到积极的作用。
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