very high frequency

简明释义

甚高频甚高频(30

英英释义

例句

1.Aeronautical navigation systems utilize very high frequency (超高频) for accurate positioning.

航空导航系统利用超高频 (very high frequency) 进行精确定位。

2.Research shows that very high frequency (超高频) signals can penetrate fog better than other frequencies.

研究表明，超高频 (very high frequency) 信号比其他频率更能穿透雾霭。

3.The very high frequency (超高频) range is essential for mobile communications and radar systems.

超高频 (very high frequency) 范围对于移动通信和雷达系统至关重要。

4.In television broadcasting, channels often use very high frequency (超高频) to transmit signals.

在电视广播中，频道通常使用超高频 (very high frequency) 来传输信号。

5.The radio waves used for satellite communication operate at very high frequency (超高频), allowing for clear signals over long distances.

用于卫星通信的无线电波工作在超高频 (very high frequency), 允许在长距离内保持清晰信号。

作文

In the realm of telecommunications, the term very high frequency refers to a specific range of radio frequencies that are utilized for various communication purposes. This range typically spans from 30 megahertz (MHz) to 300 MHz. Understanding the significance of very high frequency is essential for grasping how modern communication systems operate, including television broadcasts, FM radio, and even some mobile communications. The use of very high frequency has revolutionized the way we receive information and entertainment. For instance, FM radio stations operate within this frequency band, allowing for clearer sound quality and better reception compared to lower frequency bands. This clarity is crucial for listeners who rely on radio as their primary source of news and music. Moreover, television broadcasting also benefits from very high frequency channels. In many countries, VHF channels are designated for television transmission, providing viewers with access to a variety of channels. The introduction of digital broadcasting has further enhanced the capabilities of very high frequency by allowing for multiple channels to be transmitted within the same frequency range, thereby maximizing the use of available bandwidth. In addition to entertainment, very high frequency plays a vital role in emergency services and aviation communications. Many police and fire departments utilize VHF radios to ensure clear and effective communication during emergencies. Similarly, aircraft communicate with air traffic control using very high frequency radios, which helps maintain safety in the skies. The reliability of these communications is paramount, as it can mean the difference between life and death in critical situations. Furthermore, the characteristics of very high frequency waves allow them to travel further and penetrate obstacles better than higher frequency waves. This makes them particularly useful in urban environments where buildings can obstruct signals. As a result, many urban communication systems are designed to operate within the very high frequency range to ensure consistent connectivity. As technology continues to advance, the applications of very high frequency are expanding. With the rise of wireless technologies, VHF is being integrated into new devices and systems, enhancing our ability to connect and communicate. For example, the Internet of Things (IoT) is beginning to incorporate very high frequency for device-to-device communication, further embedding this frequency range into our daily lives. In conclusion, the concept of very high frequency is integral to understanding modern communication systems. From radio and television to emergency services and emerging technologies, the applications of VHF are diverse and impactful. As we move forward, it will be fascinating to see how innovations continue to shape the use of very high frequency and its role in our interconnected world.

在电信领域，术语非常高频指的是用于各种通信目的的特定无线频率范围。这个范围通常从30兆赫（MHz）到300 MHz。理解非常高频的重要性对于掌握现代通信系统的运作至关重要，包括电视广播、调频广播甚至一些移动通信。非常高频的使用彻底改变了我们接收信息和娱乐的方式。例如，调频广播电台就在这个频率范围内运行，允许比低频段更清晰的音质和更好的接收。这种清晰度对依赖广播作为主要新闻和音乐来源的听众至关重要。此外，电视广播也受益于非常高频频道。在许多国家，VHF频道被指定用于电视传输，为观众提供多种频道。数字广播的引入进一步增强了非常高频的能力，使得在同一频率范围内可以传输多个频道，从而最大限度地利用可用带宽。除了娱乐外，非常高频在紧急服务和航空通信中也发挥着至关重要的作用。许多警察和消防部门利用VHF无线电确保在紧急情况下的清晰有效沟通。同样，飞机与空中交通管制之间的通信也使用非常高频无线电，这有助于维护空中的安全。这些通信的可靠性至关重要，因为在关键情况下，这可能意味着生与死之间的差别。此外，非常高频波的特性使其能够比高频波传播得更远并更好地穿透障碍物。这使得它们在城市环境中特别有用，因为建筑物可能会阻挡信号。因此，许多城市通信系统被设计为在非常高频范围内运行，以确保持续的连接。随着技术的不断进步，非常高频的应用正在扩大。随着无线技术的兴起，VHF正在被整合到新设备和系统中，增强我们连接和通信的能力。例如，物联网（IoT）开始将非常高频用于设备间通信，进一步将这一频率范围嵌入到我们的日常生活中。总之，非常高频的概念对于理解现代通信系统至关重要。从广播和电视到紧急服务和新兴技术，VHF的应用是多样且影响深远的。随着我们向前发展，观察创新如何继续塑造非常高频的使用及其在我们互联世界中的角色将是非常有趣的。