frequency division multiplex

简明释义

频率分隔多工

英英释义

例句

1.A common application of frequency division multiplex is in DSL internet connections, where multiple data streams are sent over phone lines.

频分复用的一个常见应用是在DSL互联网连接中，其中多个数据流通过电话线发送。

2.The frequency division multiplex technique allows different radio stations to broadcast simultaneously without interference.

频分复用技术允许不同的广播电台同时播放而不产生干扰。

3.By utilizing frequency division multiplex, we can optimize the use of available bandwidth in satellite communications.

通过利用频分复用，我们可以优化卫星通信中可用带宽的使用。

4.The frequency division multiplex method is essential for managing cellular networks efficiently.

频分复用方法对于高效管理蜂窝网络至关重要。

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

在电信中，频分复用用于通过单一通信通道传输多个信号。

作文

In the realm of telecommunications, the concept of frequency division multiplex plays a crucial role in optimizing the use of available bandwidth. This technique allows multiple signals to be transmitted simultaneously over a single communication channel by assigning each signal a unique frequency band within the overall bandwidth. By doing so, frequency division multiplex (频分复用) increases the efficiency of data transmission and enhances the capacity of communication systems.The basic principle behind frequency division multiplex is relatively straightforward. Imagine a highway where each car represents a different signal. If all cars were to travel on the same lane, they would inevitably collide, causing chaos and delays. However, if we assign each car to its own lane, they can move freely without interference. Similarly, frequency division multiplex allocates distinct frequency bands for various signals, allowing them to coexist without disrupting each other.One of the most significant advantages of frequency division multiplex is its ability to handle multiple data streams efficiently. In today’s digital world, where the demand for bandwidth is constantly increasing, this technology enables service providers to maximize their infrastructure. For instance, in traditional analog television broadcasting, different channels are transmitted using separate frequency bands. This method ensures that viewers can access multiple channels without experiencing interference, thanks to frequency division multiplex.Moreover, frequency division multiplex is not limited to television broadcasting; it is also widely used in cellular networks. In mobile communication, each call or data session is assigned a specific frequency band, allowing numerous users to communicate simultaneously without cross-talk. This capability is essential for maintaining the quality of service in densely populated areas where many users rely on mobile devices.However, while frequency division multiplex offers numerous benefits, it also comes with certain challenges. One of the primary concerns is the allocation of frequency bands. As the number of users and devices continues to grow, the available spectrum becomes increasingly crowded. Efficiently managing and allocating these frequency bands is critical to ensure optimal performance and minimize interference. Regulatory bodies play a vital role in this aspect by establishing guidelines and policies to manage the radio spectrum effectively.In conclusion, the concept of frequency division multiplex (频分复用) is fundamental to modern telecommunications. It allows for the simultaneous transmission of multiple signals over a single channel by dividing the available bandwidth into distinct frequency bands. As technology advances and the demand for data continues to rise, understanding and implementing frequency division multiplex will become even more essential. By leveraging this technique, communication systems can enhance their capacity, improve efficiency, and ultimately provide better services to users around the globe.