digital selective calling

简明释义

数字选择性呼叫

英英释义

例句

1.With digital selective calling, sailors can send distress signals quickly and efficiently.

通过数字选择呼叫，水手可以快速有效地发送求救信号。

2.In the event of a malfunction, digital selective calling allows for immediate assistance from nearby vessels.

在发生故障时，数字选择呼叫允许附近的船只立即提供帮助。

3.The ship used digital selective calling to communicate with the coast guard during an emergency.

这艘船在紧急情况下使用数字选择呼叫与海岸警卫队进行通信。

4.The fishing vessel relied on digital selective calling to notify other boats of their location.

这艘渔船依靠数字选择呼叫通知其他船只他们的位置。

5.Training on digital selective calling is essential for all crew members before they set sail.

在出航前，对所有船员进行数字选择呼叫的培训是必不可少的。

作文

In the realm of maritime communication, safety and efficiency are paramount. One of the most significant advancements in this field is the implementation of digital selective calling. This technology allows vessels to send distress signals, communicate with other ships, and relay important information without the need for constant voice communication. The essence of digital selective calling lies in its ability to transmit messages selectively, ensuring that only intended recipients receive the information. This not only reduces the clutter on radio frequencies but also enhances the clarity of communication during critical situations.The concept of digital selective calling originated from the need for improved safety measures at sea. Traditional communication methods relied heavily on voice transmissions, which could easily become chaotic, especially in emergencies. With digital selective calling, a vessel can send a predefined message or alert to specific ships or shore stations. For instance, if a ship is in distress, it can send a distress signal that alerts nearby vessels and coast guard stations without broadcasting unnecessary noise to all channels.This technology operates through the Global Maritime Distress and Safety System (GMDSS), which integrates various communication tools to ensure reliable maritime safety. By utilizing digital selective calling, mariners can quickly and efficiently communicate their needs, whether it be a request for assistance or a routine check-in. The system uses unique identifiers for each vessel, allowing messages to be directed accurately, thereby minimizing misunderstandings and response times.Moreover, digital selective calling plays a crucial role in enhancing situational awareness among vessels. In busy shipping lanes, where multiple ships operate close to one another, the ability to communicate selectively helps maintain order and safety. For example, if a vessel detects a potential collision course with another ship, it can use digital selective calling to alert the other party directly, facilitating immediate action to avoid an accident.In addition to improving safety, digital selective calling also contributes to operational efficiency. Fishermen, cargo ships, and passenger vessels can coordinate their activities more effectively. For instance, fishing vessels can communicate about the best fishing spots or share information regarding weather conditions without broadcasting to all nearby ships, which might not be relevant to them. This selective communication saves time and resources, allowing vessels to operate more smoothly.Despite its advantages, the adoption of digital selective calling does come with challenges. Not all vessels are equipped with the necessary technology, particularly smaller fishing boats or older ships that may not have been updated to comply with modern standards. There is also a learning curve associated with using this technology, as crew members must be trained to operate the systems effectively.In conclusion, digital selective calling represents a significant leap forward in maritime communication. It enhances safety, improves operational efficiency, and ensures that critical messages are delivered promptly and accurately. As the maritime industry continues to evolve, embracing such technologies will be essential for maintaining safety and efficiency at sea. The future of maritime communication looks brighter with digital selective calling paving the way for smarter, safer operations.

在海事通信领域，安全和效率至关重要。该领域最重要的进展之一是实施数字选择呼叫。这项技术允许船只发送紧急信号，与其他船只通信，并传递重要信息，而无需不断进行语音通信。数字选择呼叫的本质在于其能够选择性地传输消息，确保只有预定的接收者收到信息。这不仅减少了无线电频率上的杂乱，还在关键情况下增强了通信的清晰度。数字选择呼叫的概念源于对海上安全措施改善的需求。传统的通信方法严重依赖语音传输，这在紧急情况下很容易变得混乱。通过数字选择呼叫，船只可以向特定的船只或岸站发送预定义的消息或警报。例如，如果一艘船遇险，它可以发送一个紧急信号，提醒附近的船只和海岸警卫队，而无需将不必要的噪音广播到所有频道。该技术通过全球海事遇险与安全系统（GMDSS）运作，该系统集成了各种通信工具，以确保可靠的海上安全。通过利用数字选择呼叫，海员可以快速有效地传达他们的需求，无论是请求援助还是例行签到。该系统使用每艘船的唯一标识符，允许消息准确地指向，从而最小化误解和响应时间。此外，数字选择呼叫在增强船只之间的态势感知方面发挥了关键作用。在繁忙的航运通道中，多艘船只在彼此靠近的情况下操作，选择性通信的能力有助于保持秩序和安全。例如，如果一艘船检测到可能与另一艘船发生碰撞的航线，它可以直接使用数字选择呼叫来提醒另一方，促进立即采取行动以避免事故。除了提高安全性，数字选择呼叫还促进了操作效率。渔船、货船和客船可以更有效地协调他们的活动。例如，渔船可以就最佳捕鱼地点进行沟通，或共享天气条件的信息，而无需向所有附近的船只广播，这可能与他们无关。这种选择性通信节省了时间和资源，使船只能够更顺利地运营。尽管有其优势，数字选择呼叫的采用也面临挑战。并非所有船只都配备必要的技术，特别是较小的渔船或未更新以符合现代标准的旧船。使用这项技术也有一个学习曲线，因为船员必须接受培训以有效操作这些系统。总之，数字选择呼叫代表了海事通信的一次重大飞跃。它增强了安全性，提高了操作效率，并确保关键消息及时准确地传递。随着海事行业的不断发展，接受这样的技术对于维护海上的安全和效率至关重要。随着数字选择呼叫为更智能、更安全的操作铺平道路，海事通信的未来看起来更加光明。