frequency modulated transmitter

简明释义

档发射机

英英释义

例句

1.The frequency modulated transmitter can be used in various applications, including television and radio broadcasting.

该频率调制发射器可用于包括电视和广播在内的各种应用。

2.In amateur radio, a frequency modulated transmitter is often preferred for its clarity over long distances.

在业余无线电中，频率调制发射器因其在长距离传输中的清晰度而受到青睐。

3.The radio station uses a frequency modulated transmitter to broadcast high-quality audio signals.

该广播电台使用频率调制发射器来传播高质量的音频信号。

4.The frequency modulated transmitter ensures that the signal remains stable even in adverse weather conditions.

该频率调制发射器确保信号在恶劣天气条件下保持稳定。

5.Engineers designed a new frequency modulated transmitter for better performance in crowded frequency bands.

工程师们设计了一种新的频率调制发射器以在拥挤的频率带中获得更好的性能。

作文

In the world of telecommunications, the term frequency modulated transmitter refers to a type of device that encodes information onto a carrier wave by varying its frequency. This technology is widely used in radio broadcasting, where audio signals are transmitted over long distances. The principle behind frequency modulated transmitters is relatively simple yet profoundly impactful in how we communicate. By altering the frequency of the carrier wave, the transmitter can convey different information without changing the amplitude, which makes it less susceptible to noise and interference.The importance of frequency modulated transmitters can be observed in various applications. For instance, FM radio stations utilize this technology to provide high-fidelity audio broadcasts. Unlike amplitude modulation (AM), which varies the strength of the signal, FM maintains a constant amplitude while changing the frequency. This characteristic allows for clearer sound quality and a more reliable transmission, especially in areas with a lot of electronic interference.Furthermore, frequency modulated transmitters are not limited to audio broadcasting. They also play a crucial role in television broadcasting, two-way radios, and even in some forms of data communication. In the realm of wireless communications, these transmitters are essential for ensuring that signals can be sent and received effectively over various distances. The ability to modulate frequency allows for multiple signals to occupy the same channel without interfering with one another, a concept known as frequency division multiplexing.The design and implementation of a frequency modulated transmitter involve several key components, including an oscillator, a modulator, and an amplifier. The oscillator generates the carrier wave, while the modulator encodes the information onto this wave by varying its frequency. Finally, the amplifier boosts the signal strength before transmission, ensuring that it can reach its intended destination without significant loss.In recent years, advancements in technology have led to the development of digital frequency modulated transmitters, which offer even greater efficiency and reliability. These modern devices can handle a wider range of frequencies and are often integrated with other technologies, such as digital signal processing, to enhance performance further. As we move towards an increasingly connected world, the role of frequency modulated transmitters will likely grow, facilitating better communication and connectivity across various platforms.In conclusion, understanding the function and significance of frequency modulated transmitters is essential for anyone interested in the field of telecommunications. Their ability to transmit high-quality audio and data over long distances has revolutionized the way we share information. As technology continues to evolve, the principles behind frequency modulated transmitters will remain foundational to future innovations in communication systems. Whether it’s through radio waves or digital signals, the impact of this technology is undeniable, shaping the way we connect with each other and the world around us.

在电信的世界中，术语频率调制发射器指的是一种通过改变载波波的频率来编码信息的设备。这项技术被广泛应用于广播电台，在那里音频信号被传输到远距离。频率调制发射器背后的原理相对简单，但在我们沟通的方式上却具有深远的影响。通过改变载波波的频率，发射器可以传达不同的信息，而不改变幅度，这使得它不易受到噪声和干扰的影响。频率调制发射器的重要性可以在各种应用中观察到。例如，FM电台利用这项技术提供高保真音频广播。与幅度调制（AM）不同，后者通过改变信号的强度，FM保持恒定的幅度，同时改变频率。这一特性允许更清晰的音质和更可靠的传输，尤其是在有大量电子干扰的地区。此外，频率调制发射器不仅限于音频广播。它们还在电视广播、双向无线电甚至某些形式的数据通信中发挥着关键作用。在无线通信领域，这些发射器对于确保信号能够有效地在各种距离之间发送和接收至关重要。频率调制的能力允许多个信号占用同一频道而不互相干扰，这一概念称为频率分割复用。频率调制发射器的设计和实施涉及几个关键组件，包括振荡器、调制器和放大器。振荡器生成载波波，而调制器通过改变其频率将信息编码到该波上。最后，放大器在传输之前增强信号强度，确保信号能够在没有显著损失的情况下到达预定目的地。近年来，技术的进步导致了数字频率调制发射器的发展，这些发射器提供了更高的效率和可靠性。这些现代设备可以处理更广泛的频率，并且通常与其他技术集成，如数字信号处理，以进一步提高性能。随着我们迈向一个日益互联的世界，频率调制发射器的角色可能会增长，促进在各种平台上的更好通信和连接。总之，理解频率调制发射器的功能和重要性对于任何对电信领域感兴趣的人来说都是必不可少的。它们在长距离传输高质量音频和数据方面的能力彻底改变了我们分享信息的方式。随着技术的不断发展，频率调制发射器背后的原理将继续成为未来通信系统创新的基础。无论是通过无线电波还是数字信号，这项技术的影响都不可否认，塑造了我们与彼此以及周围世界的联系方式。