但现有的系统已逐渐无法满足保障船舶安全航行的需求，所以如何对现有通信系统进行技术升级成了首要目标。
However, the present system cannot meet the needs of ensuring ship's navigational safety; therefore, upgrading the present communication system technology is the top priority.
在现代航海事业中，安全可靠的通信技术是船舶安全航行和海上生命安全的重要保障，具有重要的研究意义。
In the modern maritime career, safe and reliable communication technology is an important guarantee of the safe voyage and the safety of life at sea, so it has important research significance.
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