vhf transmission

简明释义

甚高频传输

英英释义

VHF transmission refers to the transmission of radio signals in the Very High Frequency (VHF) range, which typically spans from 30 MHz to 300 MHz. This type of transmission is commonly used for television broadcasting, FM radio, and two-way radio communications.

VHF传输是指在超高频（VHF）范围内传输无线电信号，该范围通常从30 MHz到300 MHz。这种类型的传输通常用于电视广播、调频广播和双向无线电通信。

例句

1.The fisherman checked his radio for vhf transmission updates on weather conditions.

渔民检查他的无线电以获取关于天气状况的超高频传输更新。

2.The emergency services rely on vhf transmission for immediate response during crises.

紧急服务依赖于超高频传输在危机期间进行即时响应。

3.The boat's navigation system relies on vhf transmission for clear communication with the coast guard.

船只的导航系统依赖于超高频传输与海岸警卫队进行清晰的沟通。

4.During the race, all teams used vhf transmission to coordinate their strategies.

在比赛期间，所有团队都使用超高频传输来协调他们的策略。

5.In aviation, vhf transmission is essential for pilots to communicate with air traffic control.

在航空领域，超高频传输对于飞行员与空中交通管制沟通至关重要。

作文

In the world of communication technology, understanding various transmission methods is crucial for effective data transfer. One such method is vhf transmission, which stands for Very High Frequency transmission. This technique operates within the frequency range of 30 MHz to 300 MHz, making it an essential part of radio communications, television broadcasting, and even some types of mobile communications. The significance of vhf transmission lies in its ability to provide clear signals over relatively long distances, especially in open areas where obstacles are minimal.The principles behind vhf transmission are based on electromagnetic waves, which can travel through the air and carry information. These waves are less susceptible to interference from physical obstructions compared to higher frequency bands. Consequently, vhf transmission is often used in situations where reliable communication is necessary, such as in aviation, maritime operations, and emergency services. For instance, many aircraft rely on vhf transmission for air traffic control communications, ensuring that pilots can maintain contact with ground personnel even at high altitudes.Moreover, vhf transmission is widely utilized in television broadcasting. Many television stations operate on VHF channels, which allow them to reach a broad audience. The quality of the broadcast signal is generally good, offering viewers a stable picture and sound. However, it is important to note that while vhf transmission provides excellent coverage in rural areas, its effectiveness can diminish in urban environments due to buildings and other structures that may block the signal.Another interesting aspect of vhf transmission is its application in amateur radio, also known as ham radio. Enthusiasts use this frequency band to communicate with each other, share information, and even assist during emergencies when traditional communication systems fail. The community around amateur radio is vibrant, with operators often organizing events and contests to test their skills in using vhf transmission effectively.Despite its advantages, vhf transmission does have limitations. One significant drawback is its bandwidth. Compared to higher frequency bands, VHF has a narrower bandwidth, which means it can carry fewer channels of information simultaneously. This limitation can be restrictive in scenarios where large amounts of data need to be transmitted quickly. Additionally, as technology advances, newer transmission methods such as UHF (Ultra High Frequency) and digital communication systems are becoming more prevalent, leading to a gradual shift away from traditional vhf transmission in some applications.In conclusion, vhf transmission plays a vital role in various communication sectors, providing reliable and clear signals for radio, television, and emergency services. Its unique characteristics make it suitable for specific applications, particularly in open areas and situations where interference is a concern. While newer technologies may offer enhanced capabilities, the importance of vhf transmission remains significant, especially for those who depend on it for critical communications. As we continue to advance in the field of communication technology, understanding the fundamentals of vhf transmission will remain essential for both professionals and enthusiasts alike.

在通信技术的世界中，理解各种传输方法对于有效的数据传输至关重要。其中一种方法是vhf transmission，即超高频传输。该技术工作在30 MHz到300 MHz的频率范围内，是无线电通信、电视广播甚至某些类型移动通信的重要组成部分。vhf transmission的意义在于它能够在相对较长的距离内提供清晰的信号，尤其是在障碍物最少的开放区域。vhf transmission背后的原理基于电磁波，这些波可以通过空气传播并携带信息。这些波比高频段更不易受到物理障碍的干扰。因此，vhf transmission通常用于需要可靠通信的情况，例如航空、海事操作和紧急服务。例如，许多飞机依赖于vhf transmission与空中交通管制进行通信，确保飞行员即使在高空也能与地面人员保持联系。此外，vhf transmission在电视广播中得到了广泛应用。许多电视台在VHF频道上运营，使其能够覆盖广泛的观众。广播信号的质量通常很好，为观众提供稳定的画面和声音。然而，值得注意的是，虽然vhf transmission在农村地区提供出色的覆盖，但在城市环境中，由于建筑物和其他结构可能会阻挡信号，其有效性可能会降低。vhf transmission的另一个有趣方面是其在业余无线电中的应用，也称为业余无线电爱好者。爱好者们利用这一频段进行相互通信、分享信息，甚至在传统通信系统失败时协助应急情况。业余无线电周围的社区充满活力，操作员们经常组织活动和比赛，以测试他们有效使用vhf transmission的技能。尽管有其优势，vhf transmission也有局限性。一个显著的缺点是其带宽。与更高频率的频段相比，VHF的带宽较窄，这意味着它可以同时承载的信息频道较少。这一限制在需要快速传输大量数据的场景中可能会造成约束。此外，随着技术的进步，UHF（超高频）和数字通信系统等更新的传输方法变得越来越普遍，导致在某些应用中逐渐减少对传统vhf transmission的依赖。总之，vhf transmission在各个通信领域发挥着至关重要的作用，为无线电、电视和紧急服务提供可靠且清晰的信号。其独特的特性使其适合特定应用，特别是在开放区域和干扰是一个问题的情况下。尽管新技术可能提供增强的能力，但vhf transmission的重要性仍然显著，特别是对于那些依赖其进行关键通信的人而言。随着我们在通信技术领域的不断进步，理解vhf transmission的基础知识将对专业人士和爱好者都至关重要。