carrier frequency

简明释义

载波频

英英释义

例句

1.Different modulation techniques can be applied to the carrier frequency 载波频率 to encode information.

可以对载波频率 carrier frequency 应用不同的调制技术来编码信息。

2.When setting up a satellite link, it is crucial to select the correct carrier frequency 载波频率 for optimal performance.

在建立卫星链路时，选择正确的载波频率 carrier frequency 对于最佳性能至关重要。

3.In radio communications, the carrier frequency 载波频率 is essential for transmitting signals over long distances.

在无线通信中，载波频率 carrier frequency 对于长距离信号传输至关重要。

4.The carrier frequency 载波频率 determines the bandwidth available for data transmission.

载波频率 carrier frequency 决定了数据传输可用的带宽。

5.In cellular networks, each cell uses a unique carrier frequency 载波频率 to avoid interference.

在蜂窝网络中，每个小区使用独特的载波频率 carrier frequency 以避免干扰。

作文

In the realm of telecommunications and signal processing, the term carrier frequency refers to a specific frequency that is used to carry information over a communication channel. This concept is fundamental in understanding how various types of signals are transmitted, especially in radio communications, television broadcasting, and mobile phone networks. The carrier frequency acts as a base frequency upon which data can be modulated, allowing for the efficient transmission of information over long distances.To illustrate the significance of carrier frequency, let us consider the example of AM (Amplitude Modulation) radio. In AM radio broadcasting, the audio signals that we hear are superimposed onto a high-frequency wave known as the carrier frequency. This high-frequency wave allows the audio signals to be transmitted over vast distances without significant degradation. When a radio receiver picks up the AM signal, it demodulates the carrier wave, extracting the original audio content for us to enjoy.Similarly, in FM (Frequency Modulation) radio, the information is encoded in variations of the carrier frequency itself. The frequency of the carrier wave changes according to the amplitude of the incoming audio signal, which creates a more robust signal that is less susceptible to noise and interference. This is one reason why FM radio often provides better sound quality than AM radio.In the context of mobile communications, the carrier frequency plays a crucial role in determining the bandwidth and capacity of a network. Different mobile technologies, such as 4G and 5G, operate on different carrier frequencies, allowing them to support varying levels of data transmission speeds and user capacity. For instance, the higher the carrier frequency, the greater the potential for data throughput, but this also means that the range may be shorter and more susceptible to obstacles like buildings and trees.The choice of carrier frequency is influenced by several factors, including regulatory constraints, the physical environment, and the intended application. For example, lower carrier frequencies can travel longer distances and penetrate obstacles better, making them suitable for rural areas. Conversely, higher carrier frequencies can support more users and higher data rates, making them ideal for urban environments where demand is high.Understanding carrier frequency is not only essential for engineers and technicians working in telecommunications but also for consumers who rely on these technologies for daily communication. As the world becomes increasingly interconnected, the importance of effective communication systems cannot be overstated. By grasping the concept of carrier frequency, we gain insight into the underlying principles that enable our devices to connect and communicate seamlessly.In conclusion, the carrier frequency is a foundational element in the field of telecommunications. It serves as the backbone for transmitting information across various platforms, ensuring that we can access the services and connections we often take for granted. Whether through radio waves, mobile networks, or satellite communications, the carrier frequency remains an integral part of how we share and receive information in our modern world.

在电信和信号处理领域，术语载波频率指的是用于在通信通道上传输信息的特定频率。这个概念对于理解各种类型信号的传输至关重要，特别是在无线电通信、电视广播和移动电话网络中。载波频率作为一个基础频率，用于调制数据，从而实现信息在长距离上的高效传输。为了说明载波频率的重要性，让我们考虑AM（幅度调制）广播的例子。在AM广播中，我们听到的音频信号是叠加在一个称为载波频率的高频波上。这种高频波使得音频信号能够在没有显著衰减的情况下传输到遥远的地方。当收音机接收到AM信号时，它会解调载波波，提取出原始音频内容供我们欣赏。同样，在FM（频率调制）广播中，信息是编码在载波频率本身的变化中。载波波的频率根据输入音频信号的幅度变化，从而产生一个更强的信号，这个信号对噪声和干扰的抵抗能力更强。这也是为什么FM广播通常提供比AM广播更好的音质的原因。在移动通信的背景下，载波频率在决定网络的带宽和容量方面发挥着关键作用。不同的移动技术，如4G和5G，运行在不同的载波频率上，使它们能够支持不同水平的数据传输速度和用户容量。例如，载波频率越高，数据吞吐量的潜力就越大，但这也意味着范围可能更短，并且更容易受到建筑物和树木等障碍物的影响。选择载波频率受多个因素的影响，包括监管限制、物理环境和预期应用。例如，较低的载波频率可以传播更长的距离并更好地穿透障碍物，使其适合农村地区。相反，较高的载波频率可以支持更多用户和更高的数据速率，使其非常适合需求高的城市环境。理解载波频率不仅对在电信领域工作的工程师和技术人员至关重要，对依赖这些技术进行日常通信的消费者来说同样重要。随着世界变得越来越互联，有效通信系统的重要性不容小觑。通过掌握载波频率的概念，我们深入了解了使我们的设备能够无缝连接和沟通的基本原理。总之，载波频率是电信领域的基础要素。它作为在各种平台上传输信息的支柱，确保我们能够访问我们常常视为理所当然的服务和连接。无论是通过无线电波、移动网络还是卫星通信，载波频率仍然是我们在现代世界中分享和接收信息的不可或缺的一部分。