electronic navigation chart display 电子海图
electronic navigation chart system 电子海图导航系统
3-D electronic navigation chart 三维电子海图
electronic chart navigation system 电子海图导航系统
electronic sea chart navigation systems 电子海图导航系统
Embedded electronic chart navigation system 嵌入式电子海图导航系统
Most countries of the world have paid highly attention to electronic charts and its application system. They have developed various products related to electronic navigation chart and made a big progress in type, function and technical performance of the charts.
世界各国对电子海图及其应用系统都极为重视，开发出各种电子海图产品，在种类、功能及技术性能方面都取得巨大进展。
参考来源 - 电子海图数据库及其索引技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In chapter 2, the embedded system, the technology of Electronic Navigation Chart (ENC) and a fish system are discussed.
第二章论述了嵌入式系统、电子海图导航和鱼探系统的相关技术。
However, both alone has some limitations, in order to enhance the safety of maritime navigation, it is necessary to radar images superimposed display on the electronic navigation chart.
但是两者单独使用有一定的局限性，为了更好的提高海上航行安全，实现雷达图像与电子海图叠加显示是必要的。
The system not only realizes the display of electronic navigation chart and radar images, but needs to complete the design of the interface, achieve the various functions through the control system.
本设计不仅需要分别实现电子海图和雷达图像的显示内容，而且需要完成整个交互界面的设计，通过控件实现系统的各个功能。
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