frequency bandwidth

简明释义

频带宽度

英英释义

例句

1.The 频率带宽 of this device is limited, affecting its performance in high-frequency applications.

该设备的频率带宽有限，影响其在高频应用中的性能。

2.To improve signal quality, we need to increase the 频率带宽 of the network.

为了改善信号质量，我们需要增加网络的频率带宽。

3.In telecommunications, the 频率带宽 determines the data transmission speed.

在电信中，频率带宽决定了数据传输速度。

4.The radio station operates within a specific 频率带宽 to avoid interference with other stations.

这个电台在特定的频率带宽内运作，以避免与其他电台的干扰。

5.The 频率带宽 used for Wi-Fi networks typically ranges from 20 MHz to 160 MHz.

Wi-Fi网络使用的频率带宽通常在20 MHz到160 MHz之间。

作文

In the realm of telecommunications and signal processing, understanding the concept of frequency bandwidth is crucial for both engineers and users alike. The term frequency bandwidth refers to the range of frequencies within a given band that can be used for transmitting signals. It is essential in determining how much data can be transmitted over a communication channel within a specific time frame. A wider frequency bandwidth allows for more data to be transmitted simultaneously, enhancing the efficiency and speed of communication systems.For instance, consider a typical home internet connection. The speed at which data is downloaded or uploaded is largely dependent on the frequency bandwidth allocated by the service provider. If the frequency bandwidth is narrow, users will experience slower internet speeds, leading to frustration when streaming videos or downloading large files. Conversely, a broader frequency bandwidth enables faster data transfer, allowing multiple devices to connect and function efficiently without significant lag.Moreover, the frequency bandwidth plays a pivotal role in wireless communications. Technologies such as Wi-Fi and cellular networks utilize varying frequency bandwidths to provide connectivity. For instance, Wi-Fi operates on different bands, including the 2.4 GHz and 5 GHz bands, each with its own frequency bandwidth. The 5 GHz band typically offers a wider frequency bandwidth, resulting in faster speeds and less interference compared to the 2.4 GHz band, which has a narrower frequency bandwidth but a longer range.The implications of frequency bandwidth extend beyond just internet speed and connectivity; they also influence the quality of audio and video transmissions. In the field of audio engineering, for example, the frequency bandwidth of a microphone determines the range of sound frequencies it can capture. A microphone with a wide frequency bandwidth can reproduce a fuller sound, making it ideal for recording high-fidelity music. Similarly, in video broadcasting, the frequency bandwidth affects the resolution and clarity of the image transmitted. Higher frequency bandwidths allow for higher-resolution video streams, which are increasingly important in today’s digital landscape where high-definition content is the norm.In conclusion, the concept of frequency bandwidth is integral to modern communication technologies. Its impact is felt across various domains, from internet connectivity to audio and video quality. As technology continues to evolve, the demand for greater frequency bandwidth will only increase, pushing the boundaries of what is possible in terms of data transmission and overall user experience. Understanding and optimizing frequency bandwidth will remain a key focus for engineers and developers as they strive to meet the ever-growing needs of consumers in our increasingly connected world.

在电信和信号处理领域，理解“频率带宽”的概念对于工程师和用户来说都是至关重要的。术语“频率带宽”指的是在给定频段内可以用于传输信号的频率范围。它对于确定在特定时间框架内可以通过通信通道传输多少数据至关重要。更宽的“频率带宽”允许更多的数据同时传输，从而提高通信系统的效率和速度。例如，考虑一个典型的家庭互联网连接。数据下载或上传的速度在很大程度上取决于服务提供商分配的“频率带宽”。如果“频率带宽”狭窄，用户将体验到较慢的互联网速度，在观看视频或下载大文件时会感到沮丧。相反，更广的“频率带宽”使得数据传输更快，允许多个设备连接并高效运行，而不会出现显著的延迟。此外，“频率带宽”在无线通信中也发挥着关键作用。Wi-Fi和蜂窝网络等技术利用不同的“频率带宽”提供连接。例如，Wi-Fi在不同的频段上工作，包括2.4 GHz和5 GHz频段，每个频段都有其自己的“频率带宽”。5 GHz频段通常提供更宽的“频率带宽”，导致比2.4 GHz频段更快的速度和更少的干扰，后者的“频率带宽”较窄，但范围更长。“频率带宽”的影响不仅限于互联网速度和连接；它们也影响音频和视频传输的质量。在音频工程领域，例如，麦克风的“频率带宽”决定了它可以捕捉的声音频率范围。具有宽“频率带宽”的麦克风可以重现更丰富的声音，使其非常适合录制高保真音乐。同样，在视频广播中，“频率带宽”影响传输图像的分辨率和清晰度。更高的“频率带宽”允许更高分辨率的视频流，这在当今数字环境中越来越重要，因为高清内容已成为常态。总之，“频率带宽”的概念是现代通信技术不可或缺的一部分。它的影响遍及各个领域，从互联网连接到音频和视频质量。随着技术的不断发展，对更大“频率带宽”的需求只会增加，推动数据传输和整体用户体验的可能性。理解和优化“频率带宽”将始终是工程师和开发人员的重点，因为他们努力满足我们日益互联的世界中消费者不断增长的需求。