ultra high frequency

简明释义

超高频

英英释义

例句

1.Many modern communication devices use ultra high frequency 超高频 for clearer audio quality.

许多现代通信设备使用超高频 ultra high frequency以获得更清晰的音质。

2.The ultra high frequency 超高频 spectrum is essential for television broadcasting.

超高频 ultra high frequency频谱对电视广播至关重要。

3.The radio station operates on an ultra high frequency 超高频 band, allowing it to transmit signals over long distances.

该电台在超高频 ultra high frequency频段上运行，使其能够在较远的距离内传输信号。

4.In aviation, ultra high frequency 超高频 radios are used for air traffic control communications.

在航空领域，超高频 ultra high frequency无线电用于空中交通管制通信。

5.The ultra high frequency 超高频 range is widely used in mobile phones for better reception.

在手机中广泛使用超高频 ultra high frequency范围以获得更好的接收效果。

作文

In the realm of telecommunications, the term ultra high frequency refers to a specific range of radio frequencies that are essential for various forms of communication. This range spans from 300 megahertz (MHz) to 3 gigahertz (GHz). The significance of ultra high frequency lies in its ability to support a wide array of applications, including television broadcasting, mobile phones, and even satellite communications. Understanding this frequency range is crucial for both engineers and consumers alike, as it impacts how we connect and communicate in our daily lives.One of the most prominent uses of ultra high frequency is in television broadcasting. Many television channels operate within this frequency range, allowing for clearer signals and better reception. The transition from analog to digital broadcasting has further enhanced the advantages of ultra high frequency, providing viewers with improved picture quality and more channels to choose from. This shift not only benefits consumers but also allows broadcasters to utilize the spectrum more efficiently.Moreover, ultra high frequency plays a vital role in mobile communications. Most modern smartphones operate on frequencies within this range, enabling seamless voice calls, text messaging, and internet access. The ability to transmit data at higher speeds over ultra high frequency bands has revolutionized how we interact with technology. With the advent of 4G and 5G networks, the demand for these frequencies has surged, prompting regulatory bodies to allocate more spectrum for mobile use.In addition to broadcasting and mobile communications, ultra high frequency is also utilized in various other fields. For instance, aviation relies on UHF for communication between pilots and air traffic control. The clarity and reliability of ultra high frequency signals are crucial for ensuring safety in the skies. Similarly, public safety organizations, such as police and fire departments, use ultra high frequency radios to maintain effective communication during emergencies.The advantages of ultra high frequency are not without challenges. One of the primary limitations is its relatively shorter wavelength, which can lead to reduced range compared to lower frequency bands. Obstacles such as buildings and hills can interfere with ultra high frequency signals, necessitating the use of repeaters and additional infrastructure to ensure coverage. Despite these challenges, the benefits of ultra high frequency far outweigh the drawbacks, making it a preferred choice for many applications.In conclusion, the concept of ultra high frequency encompasses a vital segment of the radio frequency spectrum that has transformed the way we communicate. From broadcasting to mobile technology and aviation, ultra high frequency enables a multitude of services that enhance our daily lives. As technology continues to advance, the importance of understanding and utilizing ultra high frequency will only grow, paving the way for innovative solutions and improved connectivity in the future.

在电信领域，术语超高频指的是一种特定的无线电频率范围，对于各种通信形式至关重要。这个范围从300兆赫（MHz）到3千兆赫（GHz）。超高频的重要性在于它能够支持多种应用，包括电视广播、手机甚至卫星通信。理解这个频率范围对于工程师和消费者来说都是至关重要的，因为它影响着我们日常生活中的连接和沟通。超高频最显著的用途之一是在电视广播中。许多电视频道在这个频率范围内运行，允许更清晰的信号和更好的接收。模拟广播转向数字广播进一步增强了超高频的优势，为观众提供了更好的画质和更多的频道选择。这一转变不仅使消费者受益，还使广播商能够更有效地利用频谱。此外，超高频在移动通信中也发挥着至关重要的作用。大多数现代智能手机在这个频率范围内工作，使得语音通话、短信和互联网访问变得无缝。通过超高频频段以更高速度传输数据彻底改变了我们与技术的互动。随着4G和5G网络的出现，对这些频率的需求激增，促使监管机构为移动使用分配更多频谱。除了广播和移动通信，超高频还被应用于其他多个领域。例如，航空依赖于UHF进行飞行员与空中交通管制之间的通信。超高频信号的清晰度和可靠性对于确保空中安全至关重要。同样，公共安全组织如警察和消防部门使用超高频无线电在紧急情况下保持有效沟通。尽管超高频的优势显而易见，但也面临一些挑战。其中一个主要限制是其相对较短的波长，这可能导致与低频带相比的传输范围缩短。建筑物和山丘等障碍物可能会干扰超高频信号，因此需要使用中继器和额外的基础设施来确保覆盖。尽管存在这些挑战，超高频的优点远远超过缺点，使其成为许多应用的首选。总之，超高频的概念涵盖了无线电频谱中一个至关重要的部分，改变了我们沟通的方式。从广播到移动技术再到航空，超高频使得多种服务得以实现，提升了我们的日常生活。随着技术的不断进步，理解和利用超高频的重要性只会增加，为未来的创新解决方案和更好的连接铺平道路。