vhf band

简明释义

甚高频带

英英释义

VHF band refers to a range of radio frequencies from 30 MHz to 300 MHz, used for various forms of communication including television broadcasting, two-way radios, and maritime communications.

VHF波段是指从30 MHz到300 MHz的无线电频率范围，用于各种形式的通信，包括电视广播、双向无线电和海事通信。

例句

1.During emergencies, the vhf band (超高频波段) is crucial for coordinating rescue efforts.

在紧急情况下，vhf band（超高频波段）对协调救援工作至关重要。

2.The weather station broadcasts updates on the vhf band (超高频波段) to ensure accurate forecasts.

气象站通过vhf band（超高频波段）广播更新，以确保准确的天气预报。

3.Amateur radio operators frequently use the vhf band (超高频波段) for local communications.

业余无线电爱好者经常使用vhf band（超高频波段）进行本地通信。

4.Marine communication often relies on the vhf band (超高频波段) for clear signal transmission.

海洋通信通常依赖于vhf band（超高频波段）进行清晰的信号传输。

5.Many television stations operate on the vhf band (超高频波段) to reach a wider audience.

许多电视台在vhf band（超高频波段）上播出，以覆盖更广泛的观众。

作文

The term vhf band refers to a specific range of radio frequencies that are widely used for various forms of communication. The abbreviation VHF stands for Very High Frequency, which covers the frequency range from 30 MHz to 300 MHz. This band is particularly significant in the realm of television broadcasting, marine communications, and amateur radio. Understanding the vhf band is essential for anyone interested in radio technology and communication systems.One of the primary applications of the vhf band is in television broadcasting. Many television stations operate within this frequency range, allowing them to transmit signals over long distances with minimal interference. The clarity and quality of the signals transmitted in the vhf band make it an ideal choice for both analog and digital television broadcasts. Viewers can enjoy high-quality programming without the disruptions often associated with lower frequency bands.In addition to television, the vhf band plays a crucial role in marine communications. Ships and boats utilize VHF radios to communicate with each other and with coastal stations. This is particularly important for safety purposes, as it allows vessels to report their positions, weather conditions, and any emergencies they may encounter on the water. The vhf band provides clear and reliable communication over significant distances, making it indispensable for maritime operations.Another area where the vhf band is commonly used is amateur radio. Enthusiasts and hobbyists often use VHF frequencies to connect with each other, share information, and participate in various radio contests. The relatively short range of VHF signals encourages local communication, fostering a sense of community among amateur radio operators. Moreover, the vhf band is accessible to many people, making it an excellent starting point for those new to the world of radio communication.The importance of the vhf band extends beyond just these applications; it also serves as a vital resource for emergency services. During crises, such as natural disasters or other emergencies, first responders rely on VHF radios to coordinate their efforts and communicate effectively. The reliability and range of the vhf band make it a preferred choice for emergency communication, ensuring that help can be dispatched quickly and efficiently.In conclusion, the vhf band is a fundamental component of modern communication systems. Its wide range of applications, from television broadcasting to marine communications and amateur radio, highlights its versatility and importance. For anyone interested in radio technology, understanding the vhf band is crucial. As technology continues to evolve, the relevance of the vhf band will likely persist, making it a topic worth exploring further.

“vhf band”一词指的是一种特定的无线电频率范围，广泛用于各种通信形式。缩写VHF代表超高频，涵盖从30 MHz到300 MHz的频率范围。这个频段在电视广播、海洋通信和业余无线电领域尤为重要。理解vhf band对任何对无线电技术和通信系统感兴趣的人来说都是至关重要的。vhf band的主要应用之一是电视广播。许多电视台在这一频率范围内运营，使它们能够以最小的干扰传输信号，覆盖较长的距离。在vhf band中传输的信号清晰且质量高，使其成为模拟和数字电视广播的理想选择。观众可以享受高质量的节目，而不必担心低频段常常出现的干扰。除了电视，vhf band在海洋通信中也发挥着至关重要的作用。船只利用VHF无线电与其他船只和沿海站进行通信。这对于安全至关重要，因为它使船只能够报告其位置、天气状况以及在水上遇到的任何紧急情况。vhf band提供了清晰可靠的通信，覆盖显著的距离，使其成为海洋操作中不可或缺的工具。vhf band的另一个常见用途是业余无线电。爱好者和业余无线电操作员经常使用VHF频率相互联系、分享信息并参与各种无线电比赛。VHF信号的相对短范围鼓励本地通信，促进了业余无线电操作员之间的社区感。此外，vhf band对许多人来说是可获取的，使其成为新手进入无线电通信世界的良好起点。vhf band的重要性不仅限于这些应用；它还为应急服务提供了重要资源。在危机期间，例如自然灾害或其他紧急情况，第一响应者依赖VHF无线电来协调他们的工作并有效沟通。vhf band的可靠性和范围使其成为应急通信的首选，确保可以快速有效地派遣援助。总之，vhf band是现代通信系统的基本组成部分。其广泛的应用，从电视广播到海洋通信和业余无线电，突显了其多功能性和重要性。对于任何对无线电技术感兴趣的人来说，理解vhf band至关重要。随着技术的不断发展，vhf band的相关性可能会持续存在，使其成为值得进一步探索的话题。