VHF radiotelephone

简明释义

甚高频无线电话

英英释义

例句

1.During our fishing trip, we relied on the VHF radiotelephone for navigation updates.

在我们的钓鱼旅行中，我们依靠VHF无线电电话获取导航更新。

2.The captain used the VHF radiotelephone to communicate with the coast guard during the emergency.

船长使用VHF无线电电话与海岸警卫队在紧急情况下进行沟通。

3.The VHF radiotelephone is essential for maintaining communication in open waters.

在公海上保持通信，VHF无线电电话是必不可少的。

4.Before setting sail, all crew members were instructed on how to operate the VHF radiotelephone.

在启航之前，所有船员都接受了如何操作VHF无线电电话的指导。

5.He reported the weather conditions to his team using the VHF radiotelephone.

他通过VHF无线电电话向团队报告天气情况。

作文

The world of communication has evolved significantly over the years, and one of the pivotal inventions in this realm is the VHF radiotelephone. This device operates on Very High Frequency (VHF) radio waves, which are typically in the range of 30 MHz to 300 MHz. The primary purpose of the VHF radiotelephone is to facilitate voice communication over long distances, particularly in maritime and aviation contexts. In fact, it has become an essential tool for safety and coordination among vessels at sea and aircraft in the air. The significance of the VHF radiotelephone cannot be overstated when considering its role in emergency situations. For instance, when a ship encounters distress or an aircraft faces an unforeseen challenge, having a reliable means of communication can mean the difference between life and death. The VHF radiotelephone allows users to send distress signals and communicate their situation to nearby vessels or air traffic control. This immediacy is crucial, as timely information can lead to swift rescue operations and prevent potential disasters.Moreover, the VHF radiotelephone is designed to operate effectively even in challenging environments. Marine conditions can be unpredictable, and the ability to maintain clear communication despite interference from waves, wind, and weather is vital. The technology behind the VHF radiotelephone includes features such as selective calling and digital selective calling (DSC), which enhance its functionality and reliability. These features enable users to contact specific stations without broadcasting to everyone, thus reducing congestion on the communication channel.In addition to its safety applications, the VHF radiotelephone also plays a significant role in routine communications. Fishermen, recreational boaters, and commercial shipping companies rely on these devices to stay connected while navigating the waters. The ability to communicate with harbormasters, other vessels, or support services contributes to smoother operations and enhances overall safety on the water.Training and certification are often required for individuals who wish to operate a VHF radiotelephone. This ensures that users understand the proper protocols and procedures for effective communication. Knowledge of the phonetic alphabet, emergency procedures, and radio etiquette is crucial for maintaining clarity and professionalism during transmissions. In many countries, there are specific licenses that must be obtained to legally operate a VHF radiotelephone, reflecting its importance in the maritime and aviation industries.As technology continues to advance, the future of the VHF radiotelephone may see further improvements. Innovations such as integration with satellite communication systems could enhance its capabilities, providing even greater coverage and reliability. However, the fundamental principles of VHF communication will likely remain unchanged, as they are rooted in the need for clear and immediate voice communication across distances.In conclusion, the VHF radiotelephone is a critical tool in modern communication, especially within maritime and aviation contexts. Its ability to provide reliable voice communication, particularly in emergencies, underscores its importance. As we move forward, understanding and mastering the use of the VHF radiotelephone will continue to be essential for ensuring safety and efficiency in our increasingly interconnected world.

通信的世界多年来经历了显著的发展，而在这一领域中，一个重要的发明就是VHF无线电话。该设备在非常高频（VHF）无线电波上工作，通常在30 MHz到300 MHz的范围内。VHF无线电话的主要目的是促进语音通信，尤其是在海洋和航空环境中。事实上，它已成为海上船只和空中飞机之间安全与协调的重要工具。考虑到VHF无线电话在紧急情况下的作用，其重要性不容小觑。例如，当一艘船遇到困境或一架飞机面临意外挑战时，拥有可靠的通信手段可能意味着生与死之间的差别。VHF无线电话允许用户发送求救信号并与附近的船只或空中交通控制沟通。这种及时性至关重要，因为及时的信息可以导致迅速的救援行动，防止潜在的灾难。此外，VHF无线电话被设计为即使在极具挑战性的环境中也能有效运作。海洋条件可能不可预测，而尽管受到波浪、风和天气的干扰，保持清晰的通信能力至关重要。VHF无线电话背后的技术包括选择呼叫和数字选择呼叫（DSC）等功能，这增强了其功能性和可靠性。这些功能使用户能够联系特定站点，而不是向所有人广播，从而减少通信频道的拥堵。除了安全应用，VHF无线电话在日常通信中也发挥着重要作用。渔民、休闲船员和商业航运公司依赖这些设备在航行时保持联系。与港口管理人员、其他船只或支持服务的沟通能力有助于更顺利的操作，并增强水上的整体安全性。通常，操作VHF无线电话的个人需要接受培训和认证。这确保用户了解有效沟通的适当协议和程序。掌握拼音字母、紧急程序和无线电礼仪的知识对于在传输过程中保持清晰和专业至关重要。在许多国家，必须获得特定的许可证才能合法操作VHF无线电话，这反映了它在海洋和航空工业中的重要性。随着技术的不断进步，VHF无线电话的未来可能会看到进一步的改进。与卫星通信系统的集成等创新可能增强其能力，提供更大的覆盖范围和可靠性。然而，VHF通信的基本原则可能仍将保持不变，因为它们根植于在距离间进行清晰和即时语音通信的需求。总之，VHF无线电话是现代通信中的关键工具，尤其是在海洋和航空环境中。它在紧急情况下提供可靠的语音通信能力，突显了其重要性。随着我们向前发展，理解和掌握VHF无线电话的使用将继续对确保我们日益互联的世界中的安全和效率至关重要。