frequency modulator

简明释义

档器

英英释义

例句

1.Engineers often test the performance of a frequency modulator before deploying it in communication systems.

工程师通常在将频率调制器部署到通信系统之前测试其性能。

2.In telecommunications, a frequency modulator is essential for encoding information onto a carrier wave.

在电信中，频率调制器对将信息编码到载波波上至关重要。

3.The radio station uses a frequency modulator to transmit clear audio signals over long distances.

这个电台使用频率调制器来在远距离内传输清晰的音频信号。

4.The frequency modulator helps reduce noise interference in wireless communication.

该频率调制器有助于减少无线通信中的噪声干扰。

5.The frequency modulator in the synthesizer allows musicians to create unique sound effects.

合成器中的频率调制器使音乐家能够创造独特的音效。

作文

In the world of electronics and communication, various technologies play a crucial role in transmitting information. One such technology is the frequency modulator, which is essential in the field of radio communications. A frequency modulator (频率调制器) alters the frequency of a carrier wave in accordance with the amplitude of the input signal. This process allows for the efficient transmission of audio and data signals over long distances without significant loss of quality.The principle behind frequency modulation is relatively straightforward. When an audio signal is applied to a frequency modulator, it changes the frequency of the carrier wave in relation to the amplitude of the input signal. For example, when the input signal's amplitude increases, the frequency of the carrier wave also increases. Conversely, when the input signal's amplitude decreases, the frequency of the carrier wave decreases. This variation in frequency encodes the information from the input signal, enabling it to be transmitted effectively.One of the main advantages of using a frequency modulator is its resistance to noise and interference. In traditional amplitude modulation (AM), variations in the amplitude of the signal can lead to distortion, especially in noisy environments. However, since frequency modulation relies on frequency changes rather than amplitude changes, it is less susceptible to such distortions. This makes frequency modulators ideal for high-fidelity audio broadcasts and communication systems where clarity and reliability are paramount.Moreover, frequency modulation is widely used in various applications beyond radio broadcasting. It is utilized in television transmissions, satellite communications, and even in some forms of digital data transmission. The versatility of frequency modulators allows them to operate across different frequency bands, making them suitable for a range of communication systems.In addition to their practical applications, frequency modulators have also played a significant role in the development of modern technology. The invention of FM radio in the late 1930s marked a turning point in broadcasting, providing listeners with improved sound quality and reduced static. Since then, frequency modulation has become a standard method for transmitting audio signals, influencing the design of radio receivers and transmitters.As technology continues to advance, the importance of frequency modulators remains evident. With the rise of digital communication and the need for efficient data transmission, understanding the principles of frequency modulation is crucial for engineers and technicians working in the field. Furthermore, as we move towards more complex communication systems, the role of frequency modulators will likely evolve, incorporating new techniques and technologies to meet the demands of modern society.In conclusion, the frequency modulator (频率调制器) is a vital component in the realm of electronic communication. Its ability to modulate frequency rather than amplitude allows for clearer, more reliable transmission of signals. From radio broadcasts to satellite communications, frequency modulators have transformed the way we share information. As we look to the future, the continued development and application of frequency modulation will undoubtedly shape the landscape of communication technology for years to come.

在电子和通信的世界中，各种技术在信息传输中发挥着至关重要的作用。其中一种技术是频率调制器，它在无线电通信领域中至关重要。频率调制器（frequency modulator）根据输入信号的幅度改变载波波的频率。这个过程使音频和数据信号能够高效地远距离传输，而不会显著损失质量。频率调制背后的原理相对简单。当音频信号施加到频率调制器时，它会根据输入信号的幅度改变载波波的频率。例如，当输入信号的幅度增加时，载波波的频率也会增加。相反，当输入信号的幅度减少时，载波波的频率也会减少。这种频率的变化编码了输入信号中的信息，使其能够有效地被传输。使用频率调制器的主要优点之一是其对噪声和干扰的抵抗力。在传统的幅度调制（AM）中，信号幅度的变化可能导致失真，尤其是在嘈杂环境中。然而，由于频率调制依赖于频率变化而不是幅度变化，因此它对这种失真不太敏感。这使得频率调制器非常适合高保真音频广播和通信系统，在这些系统中，清晰度和可靠性至关重要。此外，频率调制还广泛应用于无线电广播以外的各种应用。它被用于电视传输、卫星通信，甚至某些形式的数字数据传输。频率调制器的多功能性使其能够在不同的频段内运行，使其适合各种通信系统。除了实际应用之外，频率调制器在现代技术的发展中也发挥了重要作用。20世纪30年代末FM广播的发明标志着广播的一个转折点，为听众提供了更好的音质和更少的静电。从那时起，频率调制成为传输音频信号的标准方法，影响了收音机和发射器的设计。随着技术的不断进步，频率调制器的重要性依然显而易见。随着数字通信的兴起和高效数据传输的需求，理解频率调制的原理对于在该领域工作的工程师和技术人员至关重要。此外，随着我们向更复杂的通信系统迈进，频率调制器的角色可能会演变，结合新的技术和技术，以满足现代社会的需求。总之，频率调制器（frequency modulator）是电子通信领域的重要组成部分。它通过调制频率而不是幅度的能力，使信号的传输更加清晰和可靠。从无线电广播到卫星通信，频率调制器改变了我们分享信息的方式。展望未来，频率调制的持续发展和应用无疑将塑造未来几年通信技术的格局。