frequency division multiplex

简明释义

频分多路传输

英英释义

例句

1.Engineers implemented frequency division multiplex 频分复用 in the new fiber optic system for improved data transmission.

工程师在新的光纤系统中实施了频分复用以改善数据传输。

2.The telecommunications company uses frequency division multiplex 频分复用 to transmit multiple signals over a single channel.

这家电信公司使用频分复用来通过单一信道传输多个信号。

3.By adopting frequency division multiplex 频分复用, the network can handle more users efficiently.

通过采用频分复用，网络可以有效地处理更多用户。

4.In satellite communications, frequency division multiplex 频分复用 allows different channels to operate simultaneously without interference.

在卫星通信中，频分复用允许不同的频道同时运行而不发生干扰。

5.The frequency division multiplex 频分复用 technique is essential for maximizing bandwidth in radio broadcasting.

在广播中，频分复用技术对于最大化带宽至关重要。

作文

In today's world, the need for efficient communication has never been greater. As technology continues to advance, the methods we use to transmit information have evolved significantly. One of the key techniques that facilitate this process is frequency division multiplex. This method allows multiple signals to be sent over a single communication channel without interference, making it an essential component in modern telecommunications.To understand frequency division multiplex, we must first grasp the concept of multiplexing itself. Multiplexing is the technique of combining multiple signals into one signal over a shared medium. This is crucial because it maximizes the use of available bandwidth, allowing for more data to be transmitted simultaneously. Within this context, frequency division multiplex (FDM) specifically refers to a method where different signals are allocated distinct frequency bands within the same channel.The principle behind frequency division multiplex is relatively straightforward. Each signal is modulated onto a unique frequency carrier wave, which means that even though they share the same transmission medium, they can coexist without interfering with one another. This is akin to having several radio stations broadcasting at different frequencies; listeners can tune into their desired station without picking up the noise from others.One of the most significant applications of frequency division multiplex is in radio and television broadcasting. For instance, when multiple television channels are broadcasted over the airwaves, each channel occupies a specific frequency band. This allows viewers to receive different channels on their televisions without any crossover or interference. The same principle applies to mobile phone networks, where numerous calls can be made simultaneously by assigning different frequencies to each call.Moreover, frequency division multiplex is also utilized in data communication systems. In these systems, various data streams can be transmitted over fiber optic cables or coaxial cables by allocating different frequency ranges to each stream. This not only enhances the efficiency of data transmission but also increases the overall capacity of the network.However, while frequency division multiplex offers numerous advantages, it also comes with its challenges. One major issue is the need for precise frequency allocation. If two signals inadvertently occupy the same frequency band, it can lead to interference and degradation of signal quality. Therefore, careful planning and management of frequency assignments are crucial in systems utilizing FDM.In conclusion, frequency division multiplex plays a vital role in our modern communication infrastructure. By allowing multiple signals to share the same channel without interference, it maximizes the efficiency of data transmission across various platforms, including radio, television, and telecommunications. Understanding this concept not only highlights the sophistication of current technologies but also underscores the importance of effective resource management in the realm of communications. As we continue to innovate and expand our communication capabilities, the principles of frequency division multiplex will remain foundational in shaping the future of connectivity.

在当今世界，沟通的需求从未如此重要。随着技术的不断进步，我们传输信息的方法也发生了显著变化。促进这一过程的关键技术之一是频分复用。这种方法允许多个信号在同一通信频道上发送而不相互干扰，这使其成为现代电信的重要组成部分。要理解频分复用，我们首先必须掌握复用的概念。复用是将多个信号组合成一个信号通过共享媒介的技术。这一点至关重要，因为它最大化了可用带宽的使用，使得更多的数据可以同时传输。在这个背景下，频分复用（FDM）特指一种方法，其中不同的信号在同一频道内被分配独特的频率带。频分复用背后的原理相对简单。每个信号都调制到一个独特的频率载波上，这意味着即使它们共享同一传输媒介，它们也可以共存而不会相互干扰。这就像有几个广播电台在不同频率上广播；听众可以调频到他们想要的电台，而不会受到其他电台的干扰。频分复用最重要的应用之一是在广播和电视中。例如，当多个电视频道通过无线电波广播时，每个频道占据特定的频率带。这允许观众在电视上接收不同的频道，而不会出现交叉或干扰。同样的原理适用于移动电话网络，在这些网络中，通过给每个通话分配不同的频率，可以同时进行多次通话。此外，频分复用还应用于数据通信系统。在这些系统中，各种数据流可以通过光纤电缆或同轴电缆传输，通过为每个数据流分配不同的频率范围。这不仅提高了数据传输的效率，也增加了网络的整体容量。然而，虽然频分复用带来了许多优势，但它也面临一些挑战。一个主要问题是需要精确的频率分配。如果两个信号不小心占用了相同的频率带，就会导致干扰和信号质量下降。因此，在使用FDM的系统中，频率分配的仔细规划和管理至关重要。总之，频分复用在我们现代通信基础设施中扮演着至关重要的角色。通过允许多个信号共享同一频道而不相互干扰，它最大化了各种平台（包括广播、电视和电信）上的数据传输效率。理解这一概念不仅突显了当前技术的复杂性，也强调了在通信领域有效资源管理的重要性。随着我们继续创新和扩展我们的通信能力，频分复用的原则将在塑造未来连接性方面保持基础性作用。