ultra-high frequency

简明释义

特高频

英英释义

例句

1.The radio station broadcasts on an ultra-high frequency (超高频) band, allowing for clearer sound quality.

这家广播电台在一个超高频 (ultra-high frequency) 频段上播出，音质更加清晰。

2.The ultra-high frequency (超高频) radar system is essential for air traffic control.

该超高频 (ultra-high frequency) 雷达系统对空中交通控制至关重要。

3.Many modern televisions can receive ultra-high frequency (超高频) channels for better picture quality.

许多现代电视可以接收超高频 (ultra-high frequency) 频道，以获得更好的画质。

4.In telecommunications, ultra-high frequency (超高频) is often used for mobile phone signals.

在电信中，超高频 (ultra-high frequency) 通常用于手机信号。

5.Ham radio operators often use ultra-high frequency (超高频) bands for local communications.

业余无线电操作员通常使用超高频 (ultra-high frequency) 频段进行本地通信。

作文

In today's world, technology plays a crucial role in our daily lives. One of the most significant advancements in communication technology is the development of radio frequencies. Among these frequencies, the term ultra-high frequency refers to the range of electromagnetic waves that fall between 300 MHz and 3 GHz. This range is essential for various applications, including television broadcasting, mobile phones, and wireless communication systems. Understanding ultra-high frequency is vital for both professionals and enthusiasts in the field of electronics and telecommunications.The ultra-high frequency band is particularly important because it allows for the transmission of signals over long distances with minimal interference. This capability makes it ideal for television broadcasts, where clear and reliable signal transmission is necessary for good picture quality. For instance, many television stations operate within this frequency range to ensure that their signals reach a wide audience without significant degradation.Moreover, mobile communication heavily relies on ultra-high frequency bands. The majority of cellular networks operate within this spectrum, allowing millions of users to connect simultaneously. The ability to transmit voice and data over these frequencies has revolutionized how we communicate. It enables features such as video calls, instant messaging, and high-speed internet access, all of which are integral to modern life.In addition to television and mobile communications, ultra-high frequency is also utilized in various other applications. For example, radar systems use this frequency range for detecting objects and measuring their speed. This technology is not only used in aviation but also in weather forecasting and law enforcement, where speed detection is crucial. The versatility of ultra-high frequency demonstrates its importance across different sectors.Furthermore, the rise of the Internet of Things (IoT) has further highlighted the significance of ultra-high frequency. Many IoT devices rely on this frequency range for wireless communication, enabling smart homes and connected cities. As more devices become interconnected, the demand for efficient and reliable communication channels will continue to grow, making ultra-high frequency even more relevant.However, with the increasing use of ultra-high frequency, there are also challenges that need to be addressed. One of the main concerns is the issue of spectrum congestion. As more devices and services compete for the same frequencies, interference can occur, leading to degraded performance. Regulatory bodies must work to manage and allocate these frequencies effectively to ensure that all users can benefit from the advantages of ultra-high frequency without disruption.In conclusion, the concept of ultra-high frequency is pivotal in understanding modern communication technologies. Its applications in television, mobile communication, radar systems, and IoT devices exemplify its versatility and importance. As technology continues to evolve, the role of ultra-high frequency will undoubtedly expand, necessitating ongoing research and management to maximize its potential. Understanding this frequency range is not just for professionals; it is essential for anyone who wishes to grasp the intricacies of our increasingly connected world.

在今天的世界中，技术在我们的日常生活中扮演着至关重要的角色。通信技术最重要的进步之一就是无线电频率的发展。在这些频率中，术语超高频指的是300 MHz到3 GHz之间的电磁波范围。这个范围对各种应用至关重要，包括电视广播、手机和无线通信系统。理解超高频对于电子和电信领域的专业人士和爱好者来说都是至关重要的。超高频频段特别重要，因为它允许信号在较远的距离上以最小的干扰进行传输。这种能力使其非常适合电视广播，在这里，清晰可靠的信号传输对于良好的画质是必要的。例如，许多电视台在此频率范围内运行，以确保其信号在没有显著降解的情况下覆盖广泛的观众。此外，移动通信在很大程度上依赖于超高频频段。大多数蜂窝网络都在此频谱内运行，使数百万用户能够同时连接。通过这些频率传输语音和数据的能力彻底改变了我们沟通的方式。它使视频通话、即时消息和高速互联网接入等功能成为可能，这些功能都是现代生活不可或缺的一部分。除了电视和移动通信，超高频还在其他各种应用中得到利用。例如，雷达系统使用这一频率范围来检测物体并测量其速度。这项技术不仅用于航空，还用于天气预报和执法，其中速度检测至关重要。超高频的多样性展示了它在不同领域的重要性。此外，物联网（IoT）的兴起进一步突显了超高频的重要性。许多物联网设备依赖于这一频率范围进行无线通信，使智能家居和互联城市成为可能。随着越来越多的设备互联，效率和可靠的通信渠道的需求将继续增长，使得超高频变得更加相关。然而，随着超高频的使用越来越多，也出现了一些需要解决的挑战。其中一个主要问题是频谱拥挤。随着越来越多的设备和服务争夺相同的频率，干扰可能会发生，从而导致性能下降。监管机构必须努力有效管理和分配这些频率，以确保所有用户都能在不受干扰的情况下受益于超高频的优势。总之，超高频的概念在理解现代通信技术中是至关重要的。它在电视、移动通信、雷达系统和物联网设备中的应用例证了其多样性和重要性。随着技术的不断发展，超高频的作用无疑会扩大，需要持续的研究和管理来最大化其潜力。理解这一频率范围不仅仅是专业人士的事；它对任何希望掌握我们日益互联的世界复杂性的人来说都是必不可少的。