angle modulation

简明释义

角度调制

英英释义

例句

1.In telecommunications, angle modulation refers to techniques like frequency modulation (FM) and phase modulation (PM).

在电信中，角度调制指的是诸如频率调制（FM）和相位调制（PM）等技术。

2.One advantage of angle modulation is its resilience to noise compared to amplitude modulation.

与幅度调制相比，角度调制的一个优点是其对噪声的抵抗力更强。

3.Understanding angle modulation is crucial for engineers working on wireless communication systems.

理解角度调制对于从事无线通信系统的工程师来说至关重要。

4.The radio station uses angle modulation to transmit high-fidelity audio signals.

该广播电台使用角度调制来传输高保真音频信号。

5.In digital communications, angle modulation can help improve the efficiency of data transmission.

在数字通信中，角度调制可以帮助提高数据传输的效率。

作文

Angle modulation is a fundamental concept in the field of communication systems, particularly in the modulation of signals for transmission over various media. It refers to the modulation technique where the angle of the carrier wave is varied in accordance with the information signal. This technique can be further categorized into two main types: frequency modulation (FM) and phase modulation (PM). Both methods play a crucial role in modern telecommunications, including radio broadcasting, television, and mobile communications.In frequency modulation, the frequency of the carrier wave is altered based on the amplitude of the input signal. For instance, when the input signal's amplitude increases, the frequency of the carrier wave also increases. This results in a more efficient transmission of information, as FM signals are less susceptible to noise compared to amplitude modulation (AM) signals. As a result, FM is widely used in high-fidelity audio broadcasting and is a preferred choice for music transmission.On the other hand, phase modulation involves changing the phase of the carrier wave in relation to the input signal. This technique allows for the encoding of information in a way that is also resistant to noise and interference. Phase modulation is often utilized in digital communication systems, such as in the transmission of data over cellular networks. By using both frequency and phase modulation, engineers can create robust communication systems that ensure reliable signal transmission even in challenging environments.One of the significant advantages of angle modulation (角度调制) is its ability to provide better sound quality and clarity, which is essential for broadcasting applications. Additionally, both FM and PM can carry more information than traditional AM signals due to their higher bandwidth efficiency. This characteristic is particularly important in today’s data-driven world, where the demand for high-speed internet and seamless communication continues to grow.Moreover, angle modulation (角度调制) techniques have been instrumental in the development of various technologies, including satellite communications and radar systems. In satellite communications, FM is commonly used to transmit signals from satellites to ground stations, ensuring that the data received is clear and accurate. Similarly, radar systems utilize phase modulation to detect and track objects, providing critical information for navigation and safety in aviation and maritime industries.In conclusion, understanding angle modulation (角度调制) is essential for anyone interested in the field of communications. It not only encompasses various modulation techniques but also highlights the importance of signal integrity and efficiency in modern technology. As we continue to advance in telecommunications, the principles of angle modulation (角度调制) will remain at the forefront, enabling innovations that enhance our ability to communicate effectively across vast distances. Therefore, mastering this concept is vital for aspiring engineers and professionals in the communication industry, paving the way for future advancements in how we connect and share information.

角度调制是通信系统领域的一个基本概念，特别是在信号调制以便通过各种媒介进行传输时。它指的是一种调制技术，其中载波波的角度根据信息信号的变化而变化。这种技术可以进一步分为两种主要类型：频率调制（FM）和相位调制（PM）。这两种方法在现代电信中发挥着至关重要的作用，包括广播、电视和移动通信。在频率调制中，载波波的频率根据输入信号的幅度而改变。例如，当输入信号的幅度增加时，载波波的频率也会增加。这导致信息的更有效传输，因为FM信号比幅度调制（AM）信号对噪声的抵抗力更强。因此，FM被广泛用于高保真音频广播，并且是音乐传输的首选。另一方面，相位调制涉及根据输入信号改变载波波的相位。这种技术允许以一种对噪声和干扰也具有抵抗力的方式编码信息。相位调制通常用于数字通信系统，例如在蜂窝网络的数据传输中。通过同时使用频率和相位调制，工程师可以创建稳健的通信系统，确保即使在挑战性环境中也能可靠地传输信号。角度调制的一个显著优势是其提供更好的声音质量和清晰度，这对于广播应用至关重要。此外，FM和PM都能够携带比传统的AM信号更多的信息，因为它们的带宽效率更高。在当今数据驱动的世界中，这一特性尤其重要，因为对高速互联网和无缝通信的需求持续增长。此外，角度调制技术在各种技术的发展中发挥了重要作用，包括卫星通信和雷达系统。在卫星通信中，FM通常用于从卫星向地面站传输信号，确保接收到的数据清晰准确。同样，雷达系统利用相位调制来检测和跟踪物体，为航空和海事行业的导航和安全提供关键信息。总之，理解角度调制对于任何对通信领域感兴趣的人来说都是至关重要的。它不仅涵盖了各种调制技术，还突出了信号完整性和现代技术中效率的重要性。随着我们在电信领域的不断进步，角度调制的原理将始终处于前沿，推动增强我们在广阔距离上有效沟通的能力的创新。因此，掌握这一概念对于有志于成为工程师和通信行业专业人士的人来说至关重要，为未来在我们连接和分享信息方面的进步铺平道路。