amplitude-frequency modulation

简明释义

振幅/频率调制;

英英释义

例句

1.With amplitude-frequency modulation 幅度频率调制, the amplitude of the signal varies with frequency changes.

使用幅度频率调制 amplitude-frequency modulation，信号的幅度会随着频率变化而变化。

2.Engineers are researching amplitude-frequency modulation 幅度频率调制 techniques for better data transmission.

工程师们正在研究幅度频率调制 amplitude-frequency modulation 技术，以改善数据传输。

3.In modern telecommunications, amplitude-frequency modulation 幅度频率调制 is used to enhance signal quality.

在现代电信中，幅度频率调制 amplitude-frequency modulation 被用来提高信号质量。

4.The concept of amplitude-frequency modulation 幅度频率调制 can be applied in various fields including audio engineering.

概念幅度频率调制 amplitude-frequency modulation 可以应用于包括音频工程在内的多个领域。

5.The radio station employs amplitude-frequency modulation 幅度频率调制 to broadcast clearer audio.

该广播电台采用幅度频率调制 amplitude-frequency modulation 来播放更清晰的音频。

作文

In the realm of communication technology, various modulation techniques play a crucial role in transmitting information effectively. One such technique is amplitude-frequency modulation, which combines aspects of both amplitude modulation (AM) and frequency modulation (FM). Understanding this concept is essential for anyone interested in telecommunications, broadcasting, or audio processing. This essay aims to explore the intricacies of amplitude-frequency modulation and its significance in modern communication systems.To begin with, let's break down the term itself. Amplitude modulation refers to the variation of the strength (amplitude) of a carrier wave in accordance with the information signal being sent. On the other hand, frequency modulation involves changing the frequency of the carrier wave based on the input signal. Amplitude-frequency modulation merges these two techniques, allowing for a more robust transmission of signals.One of the primary advantages of amplitude-frequency modulation is its ability to improve signal quality. By modulating both the amplitude and frequency, this technique can reduce the impact of noise and interference, which are common issues in communication systems. For instance, in environments where there are multiple signals competing for bandwidth, amplitude-frequency modulation can help ensure that the intended message is received clearly.Moreover, amplitude-frequency modulation is particularly useful in applications where high fidelity is required. In audio broadcasting, for example, it allows for a clearer and more dynamic sound reproduction. This is because the modulation technique captures a wider range of audio frequencies, resulting in better sound quality for listeners. As a result, many radio stations and streaming services have started to adopt this method to enhance their audio output.Another significant aspect of amplitude-frequency modulation is its efficiency in bandwidth usage. Traditional AM and FM broadcasting occupy specific frequency bands, which can lead to congestion and limited availability of spectrum. However, by utilizing amplitude-frequency modulation, more information can be transmitted within the same bandwidth, optimizing the use of available resources. This is particularly beneficial in densely populated areas where the demand for communication services is high.Despite its advantages, amplitude-frequency modulation is not without challenges. Implementing this technique requires sophisticated equipment and technology, which can be costly. Additionally, the complexity of the modulation process may pose difficulties in terms of signal processing and transmission. Engineers and technicians must be well-versed in the principles of both amplitude and frequency modulation to effectively utilize this method.In conclusion, amplitude-frequency modulation represents a significant advancement in the field of communication technology. By combining the strengths of amplitude and frequency modulation, this technique offers improved signal quality, efficient bandwidth usage, and enhanced audio fidelity. As the demand for high-quality communication continues to grow, understanding and mastering amplitude-frequency modulation will become increasingly important for professionals in the industry. The future of communication lies in the ability to adapt and innovate, and amplitude-frequency modulation is undoubtedly a key player in this evolution.

在通信技术领域，各种调制技术在有效传输信息方面发挥着至关重要的作用。其中一种技术是幅度频率调制，它结合了幅度调制（AM）和频率调制（FM）的各个方面。理解这一概念对于任何对电信、广播或音频处理感兴趣的人来说都是必不可少的。本文旨在探讨幅度频率调制的复杂性及其在现代通信系统中的重要性。首先，让我们分解一下这个术语。幅度调制是指根据信号的变化（幅度）来改变载波波的强度，而频率调制则是根据输入信号改变载波波的频率。幅度频率调制将这两种技术结合在一起，允许更稳健的信号传输。幅度频率调制的主要优点之一是能够改善信号质量。通过同时调制幅度和频率，这种技术可以减少噪声和干扰的影响，这些都是通信系统中常见的问题。例如，在多个信号竞争带宽的环境中，幅度频率调制可以帮助确保接收到清晰的意图信息。此外，幅度频率调制在需要高保真的应用中尤其有用。例如，在音频广播中，它允许更清晰、更动态的声音再现。这是因为这种调制技术捕捉到更广泛的音频频率，从而为听众提供更好的音质。因此，许多广播电台和流媒体服务开始采用这种方法来增强其音频输出。幅度频率调制的另一个重要方面是其在带宽使用上的效率。传统的AM和FM广播占用特定的频段，这可能导致拥挤和频谱的有限可用性。然而，通过利用幅度频率调制，可以在相同的带宽内传输更多的信息，从而优化可用资源的使用。这在通信服务需求高的密集地区尤为有利。尽管有其优势，幅度频率调制也并非没有挑战。实施这种技术需要复杂的设备和技术，这可能成本高昂。此外，调制过程的复杂性可能在信号处理和传输方面带来困难。工程师和技术人员必须精通幅度和频率调制的原理，以有效利用这种方法。总之，幅度频率调制代表了通信技术领域的重要进展。通过结合幅度和频率调制的优势，这种技术提供了改善的信号质量、有效的带宽使用和增强的音频保真度。随着对高质量通信需求的持续增长，理解和掌握幅度频率调制将变得越来越重要。通信的未来在于适应和创新的能力，而幅度频率调制无疑是这一演变中的关键角色。