frequency demultiplication

简明释义

分频

英英释义

Frequency demultiplication is the process of separating a signal into its constituent frequency components, effectively reducing the frequency of the output signal compared to the input signal.

频率解复用是将信号分离成其组成频率分量的过程,有效地降低输出信号的频率与输入信号相比。

例句

1.Engineers implemented frequency demultiplication 频率解复用 techniques to enhance the performance of the satellite communication system.

工程师们实施了频率解复用 frequency demultiplication 技术,以提高卫星通信系统的性能。

2.In telecommunications, frequency demultiplication 频率解复用 is used to separate multiple signals transmitted over a single channel.

在电信中,频率解复用 frequency demultiplication 用于分离通过单一通道传输的多个信号。

3.In digital signal processing, frequency demultiplication 频率解复用 helps in extracting lower frequency components from a mixed signal.

在数字信号处理中,频率解复用 frequency demultiplication 有助于从混合信号中提取较低频率成分。

4.The frequency demultiplication 频率解复用 process allows for more efficient use of bandwidth in radio communications.

频率解复用 frequency demultiplication 过程允许在无线通信中更有效地使用带宽。

5.Using frequency demultiplication 频率解复用, we can analyze different frequency bands separately in radar systems.

利用频率解复用 frequency demultiplication,我们可以在雷达系统中分别分析不同的频率带。

作文

In the realm of telecommunications and signal processing, the concept of frequency demultiplication plays a vital role in the efficient transmission of data. Frequency demultiplication (频率解复用) refers to the process of taking a signal that has been modulated at a higher frequency and breaking it down into its constituent lower frequency components. This is particularly important in systems where multiple signals need to be transmitted simultaneously over a single channel without interference. To understand how frequency demultiplication works, we can consider an example from everyday life: imagine a busy highway where several cars are traveling at high speeds. If all the cars represent different data signals, the highway can be thought of as the communication channel. As the cars move faster, it becomes challenging to identify individual vehicles. However, if we could slow down the traffic, we would be able to see each car clearly, making it easier to manage and direct them. Similarly, frequency demultiplication allows for the separation of signals so that they can be processed individually.One common application of frequency demultiplication is in radio broadcasting. When a radio station transmits its signal, it often uses a technique called frequency modulation (FM), which encodes information onto a carrier wave. During reception, the radio must demodulate this signal to extract the audio content. The process of frequency demultiplication is crucial here, as it helps to separate the audio signal from the carrier wave, ensuring that listeners receive clear sound without distortion.Another significant area where frequency demultiplication is utilized is in digital communications. In modern digital systems, data is often transmitted using various modulation schemes that operate at higher frequencies. To recover the original data, these systems employ frequency demultiplication techniques to convert the high-frequency signals back into lower frequency representations that can be easily interpreted by computers and other devices.Moreover, frequency demultiplication finds applications in radar and sonar systems. These technologies rely on sending out high-frequency waves and analyzing the returned signals to detect objects or measure distances. By employing frequency demultiplication, these systems can effectively filter and process the received signals, allowing for accurate detection and measurement.In conclusion, frequency demultiplication (频率解复用) is an essential process in the field of telecommunications and signal processing. It enables the separation of complex signals into simpler components, facilitating clearer communication and more efficient data transmission. As technology continues to advance, the importance of mastering concepts like frequency demultiplication will only grow, making it a crucial topic for anyone interested in the fields of electronics, telecommunications, and data science.

在电信和信号处理领域,频率解复用的概念在数据高效传输中发挥着至关重要的作用。频率解复用指的是将一个以较高频率调制的信号分解为其组成的较低频率分量的过程。这在需要同时通过单个通道传输多个信号而不发生干扰的系统中尤为重要。为了理解频率解复用的工作原理,我们可以考虑一个来自日常生活的例子:想象一条繁忙的高速公路,几辆汽车以高速行驶。如果所有汽车代表不同的数据信号,那么高速公路可以被视为通信通道。当汽车行驶得更快时,识别每辆车变得具有挑战性。然而,如果我们能够减慢交通速度,我们就能清楚地看到每辆车,从而更容易管理和引导它们。类似地,频率解复用允许分离信号,以便可以单独处理。频率解复用的一个常见应用是在广播中。当一个广播电台发送其信号时,它通常使用称为频率调制(FM)的技术,将信息编码到载波波形上。在接收过程中,收音机必须对该信号进行解调,以提取音频内容。频率解复用的过程在这里至关重要,因为它有助于将音频信号与载波波形分离,从而确保听众接收到清晰的声音而没有失真。此外,频率解复用还广泛应用于数字通信。在现代数字系统中,数据通常使用多种调制方案以更高的频率进行传输。为了恢复原始数据,这些系统采用频率解复用技术,将高频信号转换回易于计算机和其他设备解释的低频表示。此外,频率解复用在雷达和声纳系统中也找到了应用。这些技术依赖于发射高频波并分析返回的信号以检测物体或测量距离。通过采用频率解复用,这些系统能够有效过滤和处理接收到的信号,从而实现准确的检测和测量。总之,频率解复用是电信和信号处理领域中的一个基本过程。它使复杂信号分离为简单组件,从而促进更清晰的通信和更高效的数据传输。随着技术的不断进步,掌握像频率解复用这样的概念的重要性只会增加,这使其成为任何对电子、电信和数据科学领域感兴趣的人士的关键主题。

相关单词

frequency

frequency详解:怎么读、什么意思、用法