vhf broadcasting

简明释义

甚高频广播

英英释义

VHF broadcasting refers to the transmission of radio and television signals using Very High Frequency (VHF) bands, typically ranging from 30 MHz to 300 MHz.

VHF广播是指使用非常高频（VHF）频段进行无线电和电视信号的传输，通常范围为30 MHz到300 MHz。

例句

1.Many marine radios operate on vhf broadcasting frequencies for clear communication.

许多海洋无线电在超高频广播频率上运行，以实现清晰的通信。

2.During the emergency broadcast, they switched to vhf broadcasting to reach more listeners.

在紧急广播期间，他们切换到超高频广播以覆盖更多听众。

3.The vhf broadcasting signal is often more stable than UHF in rural areas.

超高频广播信号在农村地区通常比超高频信号更稳定。

4.To receive vhf broadcasting, you may need an antenna designed specifically for those frequencies.

要接收超高频广播，您可能需要专门为这些频率设计的天线。

5.Many local TV stations rely on vhf broadcasting for their transmission, ensuring that viewers can access their channels easily.

许多地方电视台依靠超高频广播进行传输，确保观众能够轻松访问他们的频道。

作文

VHF broadcasting, or Very High Frequency broadcasting, refers to the transmission of radio signals in the frequency range of 30 MHz to 300 MHz. This technology has been a crucial part of our communication landscape since its inception. VHF broadcasting is widely used for various applications, including television and radio broadcasts, due to its ability to provide clear audio and video signals over considerable distances. One of the key advantages of vhf broadcasting (超高频广播) is that it can effectively penetrate urban environments, making it suitable for densely populated areas where signal interference might occur. The VHF band is divided into two segments: VHF-Lo (30 MHz to 88 MHz) and VHF-Hi (88 MHz to 216 MHz). Each of these segments serves different purposes. For instance, VHF-Lo is often used for FM radio stations, while VHF-Hi is primarily utilized for television broadcasting. The clarity and quality of the signals transmitted in this frequency range make vhf broadcasting (超高频广播) a preferred choice for broadcasters aiming to deliver high-quality content to their audiences.In addition to traditional radio and television broadcasts, vhf broadcasting (超高频广播) has also found applications in emergency services and public safety communications. Many police, fire, and ambulance services use VHF frequencies to ensure reliable communication during critical situations. This reliability is essential, as it can mean the difference between life and death in emergencies.As technology continues to evolve, so does the landscape of vhf broadcasting (超高频广播). The advent of digital broadcasting has allowed for more efficient use of the VHF spectrum, enabling multiple channels to coexist within the same frequency range. This advancement not only enhances the viewing experience for consumers but also maximizes the potential of available bandwidth. Digital VHF broadcasting can offer improved sound quality and picture resolution compared to its analog predecessors.Despite the rise of digital and internet-based broadcasting platforms, vhf broadcasting (超高频广播) remains relevant today. Many regions still rely on VHF signals for their primary source of entertainment and information. Furthermore, the simplicity and accessibility of VHF technology make it an attractive option for communities with limited access to high-speed internet.In conclusion, vhf broadcasting (超高频广播) plays a significant role in our daily lives, offering a reliable means of communication and entertainment. Its ability to deliver high-quality signals over long distances, coupled with its applications in public safety, underscores its importance in modern society. As we move forward, it will be intriguing to see how vhf broadcasting (超高频广播) adapts to the changing technological landscape while continuing to serve the needs of its listeners and viewers.

VHF广播，即超高频广播，是指在30 MHz到300 MHz频率范围内的无线电信号传输。这项技术自问世以来，一直是我们通信领域的重要组成部分。由于其能够在较远的距离内提供清晰的音频和视频信号，vhf broadcasting（超高频广播）被广泛用于电视和广播等多种应用中。vhf broadcasting（超高频广播）的一个主要优势是能够有效穿透城市环境，因此非常适合人口稠密的地区，在这些地区可能会出现信号干扰。VHF频段分为两个部分：VHF-Lo（30 MHz至88 MHz）和VHF-Hi（88 MHz至216 MHz）。这两个部分各自服务于不同的目的。例如，VHF-Lo通常用于FM电台，而VHF-Hi主要用于电视广播。在这个频率范围内传输的信号的清晰度和质量，使得vhf broadcasting（超高频广播）成为广播商希望向观众提供高质量内容的首选。除了传统的广播和电视节目外，vhf broadcasting（超高频广播）还在紧急服务和公共安全通信中找到了应用。许多警察、消防和救护车服务使用VHF频率，以确保在关键情况下可靠的通信。这种可靠性至关重要，因为在紧急情况下，这可能意味着生与死之间的区别。随着技术的不断发展，vhf broadcasting（超高频广播）的格局也在变化。数字广播的出现使得VHF频谱的使用更加高效，允许多个频道在同一频率范围内共存。这一进步不仅增强了消费者的观看体验，还最大化了可用带宽的潜力。数字VHF广播可以提供比其模拟前身更好的音质和画面分辨率。尽管数字和基于互联网的广播平台的崛起，vhf broadcasting（超高频广播）在今天仍然保持着相关性。许多地区仍然依赖VHF信号作为其主要的娱乐和信息来源。此外，VHF技术的简单性和可及性使其成为对高速互联网接入有限的社区的吸引选择。总之，vhf broadcasting（超高频广播）在我们的日常生活中扮演着重要角色，提供可靠的通信和娱乐手段。它在长距离传输高质量信号的能力，加上在公共安全中的应用，突显了它在现代社会中的重要性。随着我们向前发展，观察vhf broadcasting（超高频广播）如何适应不断变化的技术格局，同时继续满足听众和观众的需求，将会非常有趣。