frequency division multiplex

简明释义

频分多路传输

英英释义

例句

1.In satellite communications, frequency division multiplex allows multiple data streams from different sources to be transmitted at once.

在卫星通信中，频分复用允许来自不同源的多个数据流同时传输。

2.The radio station employs frequency division multiplex to broadcast different programs on separate frequencies.

该广播电台利用频分复用在不同频率上播放不同的节目。

3.The engineers designed a system based on frequency division multiplex to improve the capacity of the wireless network.

工程师们设计了一个基于频分复用的系统，以提高无线网络的容量。

4.In telecommunications, frequency division multiplex is used to transmit multiple signals simultaneously over a single communication channel.

在电信中，频分复用用于在单一通信通道上同时传输多个信号。

5.By using frequency division multiplex, the network can efficiently utilize bandwidth and reduce interference.

通过使用频分复用，网络可以有效利用带宽并减少干扰。

作文

In the world of telecommunications, data transmission plays a crucial role in ensuring effective communication. One of the key techniques used to optimize the use of available bandwidth is known as frequency division multiplex. This method allows multiple signals to be transmitted simultaneously over a single communication channel by assigning each signal a different frequency within the overall bandwidth. By doing so, frequency division multiplex (频分复用) maximizes the efficiency of the channel and minimizes interference between the signals.To understand how frequency division multiplex works, we can consider a simple analogy. Imagine a highway with multiple lanes. Each lane represents a different frequency, and vehicles traveling in each lane symbolize the individual signals being transmitted. Just as cars can travel side by side without colliding, signals using frequency division multiplex can coexist in the same channel without disrupting one another. This technique is particularly valuable in environments where bandwidth is limited, such as in radio broadcasting and telecommunications.One of the main advantages of frequency division multiplex is its ability to support a large number of users simultaneously. In a cellular network, for example, each user can be assigned a unique frequency band, allowing them to communicate without interference. This is essential for maintaining call quality and data integrity, especially in densely populated areas where many people are trying to connect at the same time. Furthermore, frequency division multiplex allows for efficient use of spectrum resources, which is critical given the increasing demand for wireless communication.However, like any technology, frequency division multiplex has its limitations. One significant challenge is the need for precise frequency allocation. If two signals are assigned frequencies that are too close together, they may interfere with each other, leading to degraded performance. Therefore, careful planning and management of the frequency spectrum are necessary to ensure optimal functioning of systems utilizing frequency division multiplex.In addition to telecommunications, frequency division multiplex is also used in various other applications, including satellite communications and television broadcasting. In these scenarios, it enables the simultaneous transmission of multiple channels of audio and video content over the same frequency band, enhancing the viewing experience for consumers. As technology continues to evolve, the importance of frequency division multiplex in facilitating efficient communication will only grow.In conclusion, frequency division multiplex is a fundamental technique in modern telecommunications that enables multiple signals to be transmitted simultaneously over a single channel. Its ability to maximize bandwidth efficiency and support numerous users makes it indispensable in today’s fast-paced digital world. As we continue to rely on wireless communication for everyday interactions, understanding and implementing technologies like frequency division multiplex will be vital for future advancements in the field.

在电信的世界中，数据传输在确保有效沟通方面发挥着至关重要的作用。优化可用带宽使用的关键技术之一被称为频分复用。这种方法通过为每个信号分配不同的频率，使多个信号能够同时通过单一通信通道进行传输。通过这样做，频分复用最大化了通道的效率，并最小化了信号之间的干扰。要理解频分复用的工作原理，我们可以考虑一个简单的类比。想象一条有多条车道的高速公路。每条车道代表一个不同的频率，而在每条车道上行驶的车辆象征着正在传输的单个信号。就像汽车可以并排行驶而不发生碰撞一样，使用频分复用的信号也可以在同一通道中共存而不会相互干扰。这种技术在带宽有限的环境中尤为宝贵，例如在广播和电信中。频分复用的主要优点之一是能够同时支持大量用户。例如，在蜂窝网络中，每个用户可以被分配一个独特的频带，使他们能够在没有干扰的情况下进行通信。这对于维护通话质量和数据完整性至关重要，尤其是在许多人试图同时连接的高密度地区。此外，频分复用还允许高效利用频谱资源，这在无线通信需求日益增长的背景下显得尤为重要。然而，像任何技术一样，频分复用也有其局限性。一个显著的挑战是需要精确的频率分配。如果两个信号被分配了过于接近的频率，它们可能会相互干扰，从而导致性能下降。因此，为了确保使用频分复用的系统的最佳运行，需要对频谱进行仔细规划和管理。除了电信，频分复用还被广泛应用于其他各种场合，包括卫星通信和电视广播。在这些场景中，它使得多个音视频内容频道能够同时通过同一频带进行传输，从而增强了消费者的观看体验。随着技术的不断发展，频分复用在促进高效沟通方面的重要性只会增加。总之，频分复用是现代电信中的一种基本技术，它使得多个信号能够同时通过单一通道进行传输。它最大化带宽效率和支持众多用户的能力，使其在当今快节奏的数字世界中不可或缺。随着我们继续依赖无线通信进行日常交流，理解和实施像频分复用这样的技术将对未来该领域的进步至关重要。