ultra high frequency
简明释义
超高频特高频特高频
英英释义
A radio frequency range from 300 MHz to 3 GHz, used for various communication technologies including television, mobile phones, and two-way radios. | 一种频率范围从300 MHz到3 GHz的无线电频率,用于各种通信技术,包括电视、手机和对讲机。 |
例句
1.The ultra high frequency 超高频 range is ideal for television transmission due to its ability to penetrate obstacles.
由于其穿透障碍物的能力,超高频 ultra high frequency 范围非常适合电视传输。
2.The radio station broadcasts on an ultra high frequency 超高频 band, allowing for clearer sound quality.
这家电台在超高频 ultra high frequency 波段上广播,提供更清晰的音质。
3.In aviation, pilots use ultra high frequency 超高频 radios to communicate with air traffic control.
在航空领域,飞行员使用超高频 ultra high frequency 无线电与空中交通管制沟通。
4.The ultra high frequency 超高频 spectrum is often used for mobile communications.
超高频 ultra high frequency 频谱通常用于移动通信。
5.Many modern televisions can receive ultra high frequency 超高频 signals for better picture resolution.
许多现代电视能够接收超高频 ultra high frequency 信号,以获得更好的画面分辨率。
作文
In today's world, technology plays a crucial role in our daily lives. One of the significant advancements in communication technology is the development of radio frequency bands. Among these bands, the term ultra high frequency refers to a specific range of electromagnetic waves that have become increasingly important for various applications. The ultra high frequency (UHF) band typically covers frequencies from 300 MHz to 3 GHz and is widely used in television broadcasting, mobile phones, and two-way radios.The importance of ultra high frequency can be seen in its application in television broadcasting. UHF channels allow for a greater number of television stations to operate simultaneously without causing interference. This is particularly beneficial in densely populated areas where numerous stations are vying for airwaves. The transition from analog to digital broadcasting has further enhanced the efficiency of ultra high frequency channels, allowing for clearer images and better sound quality.Moreover, the rise of mobile communication has been significantly influenced by ultra high frequency technology. Most modern mobile phones operate on UHF frequencies, which facilitate clear voice calls and fast data transmission. The ability to transmit large amounts of data over these frequencies has allowed for the development of various applications and services that we rely on today, such as social media and instant messaging.Additionally, ultra high frequency is essential in the field of public safety. Emergency services, including police, fire, and medical responders, utilize UHF radios for communication. These devices provide reliable communication in critical situations, ensuring that first responders can coordinate effectively and respond to emergencies swiftly. The clarity and range of ultra high frequency signals make them ideal for urban environments where buildings and other obstacles can hinder communication.Furthermore, ultra high frequency technology has also found its way into everyday consumer products. For instance, many wireless devices, including Bluetooth headsets and Wi-Fi routers, operate within the UHF range. This widespread use of UHF technology has revolutionized how we connect and interact with the world around us.However, with the increasing demand for ultra high frequency bandwidth, challenges have arisen. As more devices and applications compete for these frequencies, interference can become an issue. Regulatory bodies must work diligently to manage and allocate UHF spectrum to ensure that all users can operate without disruption. This balance between innovation and regulation is vital for the continued growth of technologies that rely on ultra high frequency.In conclusion, the concept of ultra high frequency plays a pivotal role in modern communication systems. Its applications in television broadcasting, mobile communication, public safety, and consumer electronics highlight its significance in our daily lives. As technology continues to evolve, understanding and managing the ultra high frequency spectrum will be essential for future advancements. The journey of ultra high frequency technology is far from over, and its impact will only continue to grow in the years to come.
在当今世界,科技在我们的日常生活中扮演着至关重要的角色。通信技术的一项重要进展是无线电频率波段的发展。在这些波段中,术语超高频指的是一特定范围的电磁波,这些电磁波在各种应用中变得越来越重要。超高频(UHF)波段通常覆盖从300 MHz到3 GHz的频率,广泛用于电视广播、手机和对讲机。超高频的重要性可以通过其在电视广播中的应用来体现。UHF频道允许更多的电视台同时运行而不会造成干扰。这在许多电台争夺波段的高密度人口区域尤其有利。模拟广播向数字广播的过渡进一步提高了超高频频道的效率,使图像更清晰,声音质量更好。此外,移动通信的兴起也受到超高频技术的重要影响。大多数现代手机都在UHF频率上工作,这有助于清晰的语音通话和快速的数据传输。能够在这些频率上传输大量数据使得我们今天依赖的各种应用和服务得以开发,例如社交媒体和即时消息。此外,超高频在公共安全领域也至关重要。包括警察、消防和医疗应急服务在内的紧急服务利用UHF无线电进行通信。这些设备在关键情况下提供可靠的通信,确保第一响应者能够有效协调并迅速响应紧急情况。超高频信号的清晰度和范围使其在城市环境中理想,因为建筑物和其他障碍物可能会妨碍通信。此外,超高频技术也进入了日常消费产品。例如,许多无线设备,包括蓝牙耳机和Wi-Fi路由器,都在UHF范围内工作。这种超高频技术的广泛使用彻底改变了我们与周围世界的连接和互动方式。然而,随着对超高频带宽需求的增加,挑战也随之而来。随着越来越多的设备和应用竞争这些频率,干扰可能成为一个问题。监管机构必须努力管理和分配UHF频谱,以确保所有用户都能无干扰地操作。这种创新与监管之间的平衡对于依赖超高频的技术的持续增长至关重要。总之,超高频的概念在现代通信系统中发挥着关键作用。它在电视广播、移动通信、公共安全和消费电子产品中的应用突显了它在我们日常生活中的重要性。随着技术的不断发展,理解和管理超高频频谱将对未来的进步至关重要。超高频技术的旅程远未结束,其影响力将在未来几年继续增长。
相关单词