radio frequency spectrum

简明释义

无线电频谱

英英释义

例句

1.The government is auctioning off parts of the radio frequency spectrum for new wireless services.

政府正在拍卖部分无线电频谱以供新的无线服务使用。

2.The radio frequency spectrum is essential for communication technologies such as Wi-Fi and cellular networks.

无线电频谱对Wi-Fi和移动网络等通信技术至关重要。

3.New technologies are emerging that can utilize the radio frequency spectrum more efficiently.

新技术正在出现，可以更有效地利用无线电频谱。

4.Telecommunications companies are constantly competing for the best segments of the radio frequency spectrum.

电信公司不断竞争获取最佳的无线电频谱段。

5.Regulatory bodies monitor the use of the radio frequency spectrum to prevent interference between services.

监管机构监控无线电频谱的使用，以防止服务之间的干扰。

作文

The term radio frequency spectrum refers to the range of electromagnetic frequencies used for transmitting data wirelessly. This spectrum is crucial for various forms of communication, including television, radio, and mobile phone signals. The radio frequency spectrum is divided into different bands, each designated for specific types of communication. For example, the FM radio band operates between 88 to 108 MHz, while cellular networks utilize frequencies ranging from 700 MHz to 2.6 GHz. Understanding the radio frequency spectrum is essential for engineers and technicians who design and maintain communication systems. Each frequency band has unique characteristics that affect how signals are transmitted and received. Higher frequencies can carry more data but have a shorter range and are more susceptible to obstacles like buildings and trees. Conversely, lower frequencies can travel longer distances but have lower data-carrying capacity.Moreover, the radio frequency spectrum is a limited resource. As the demand for wireless communication continues to grow, managing this spectrum becomes increasingly important. Regulatory bodies, such as the Federal Communications Commission (FCC) in the United States, allocate frequencies to prevent interference between different services. This allocation ensures that emergency services, commercial broadcasters, and private communications can all operate smoothly without disrupting one another.The importance of the radio frequency spectrum extends beyond just communication. It plays a vital role in technologies like radar, GPS, and even medical devices. For instance, radar systems use specific frequencies to detect objects and measure their distance, which is essential for air traffic control and weather monitoring. Similarly, GPS technology relies on signals transmitted at specific frequencies to provide accurate location data.As we move towards a more connected world, the significance of understanding the radio frequency spectrum will only increase. With the advent of 5G technology, a new wave of wireless communication is emerging, promising faster speeds and more reliable connections. However, implementing these technologies requires careful management of the radio frequency spectrum to ensure that all users can benefit from the advancements without causing interference.In conclusion, the radio frequency spectrum is an essential component of modern communication systems. Its effective management is crucial for ensuring that various services can operate efficiently and without interference. As technology continues to evolve, understanding the intricacies of the radio frequency spectrum will be vital for engineers, regulators, and users alike. By appreciating its importance, we can better navigate the complexities of wireless communication and harness its potential for future innovations.

“无线电频谱”这一术语指的是用于无线数据传输的电磁频率范围。这个频谱对于各种形式的通信至关重要，包括电视、广播和手机信号。“无线电频谱”被划分为不同的频段，每个频段被指定用于特定类型的通信。例如，调频广播频段在88到108 MHz之间，而蜂窝网络利用的频率范围从700 MHz到2.6 GHz。理解“无线电频谱”对设计和维护通信系统的工程师和技术人员至关重要。每个频率带都有独特的特性，影响信号的传输和接收。较高的频率可以承载更多数据，但其传输距离较短，并且更容易受到建筑物和树木等障碍物的影响。相反，较低的频率可以传播更远的距离，但承载的数据量较少。此外，“无线电频谱”是有限的资源。随着无线通信需求的不断增长，管理这个频谱变得越来越重要。监管机构，如美国的联邦通信委员会（FCC），分配频率以防止不同服务之间的干扰。这种分配确保了紧急服务、商业广播和私人通信能够顺利运行而不会相互干扰。“无线电频谱”的重要性不仅限于通信。它在雷达、GPS甚至医疗设备等技术中也发挥着至关重要的作用。例如，雷达系统使用特定频率来探测物体并测量其距离，这对于空中交通控制和天气监测至关重要。同样，GPS技术依赖于在特定频率下发送的信号，以提供准确的位置数据。随着我们迈向一个更加互联的世界，理解“无线电频谱”的重要性只会增加。随着5G技术的出现，一波新的无线通信正在兴起，承诺更快的速度和更可靠的连接。然而，实施这些技术需要仔细管理“无线电频谱”，以确保所有用户都能受益于这些进步而不造成干扰。总之，“无线电频谱”是现代通信系统的一个重要组成部分。有效管理这一频谱对于确保各种服务能够高效运行且不受干扰至关重要。随着技术的不断发展，理解“无线电频谱”的复杂性将对工程师、监管者和用户来说都是至关重要的。通过欣赏其重要性，我们可以更好地应对无线通信的复杂性，并利用其潜力推动未来的创新。