wideband frequency-modulation

简明释义

宽带调频

英英释义

Wideband frequency modulation (FM) is a method of encoding information in a carrier wave by varying its frequency over a wide range, allowing for higher fidelity and better signal quality.

宽带频率调制是一种通过在宽范围内变化载波波的频率来编码信息的方法,这样可以实现更高的保真度和更好的信号质量。

例句

1.The engineers developed a system based on waveband frequency-modulation 宽带频率调制 to reduce interference.

工程师们开发了一种基于waveband frequency-modulation 宽带频率调制的系统,以减少干扰。

2.In telecommunications, waveband frequency-modulation 宽带频率调制 allows for clearer signal transmission over long distances.

在电信中,waveband frequency-modulation 宽带频率调制允许在长距离传输中实现更清晰的信号。

3.The new radio system utilizes waveband frequency-modulation 宽带频率调制 to enhance sound quality.

新的无线电系统利用waveband frequency-modulation 宽带频率调制来提高音质。

4.The audio quality of the broadcast improved significantly with the adoption of waveband frequency-modulation 宽带频率调制 technology.

通过采用waveband frequency-modulation 宽带频率调制技术,广播的音质显著提高。

5.Many modern communication devices rely on waveband frequency-modulation 宽带频率调制 for better performance.

许多现代通信设备依赖于waveband frequency-modulation 宽带频率调制以获得更好的性能。

作文

In the realm of modern communication, technologies have evolved to meet the increasing demand for high-quality audio and video transmission. One of the pivotal techniques that has emerged is wideband frequency-modulation, which plays a crucial role in enhancing signal quality and bandwidth efficiency. This method of modulation allows for a broader range of frequencies to be utilized, thereby improving the fidelity of the transmitted signal. 宽带频率调制,是指在更广的频率范围内进行信号调制,从而提高传输质量和带宽效率。The principle behind wideband frequency-modulation is relatively straightforward. Unlike narrowband modulation, which transmits information over a limited bandwidth, wideband modulation spreads the signal over a larger frequency range. This characteristic not only minimizes the impact of noise but also enhances the overall robustness of the communication system. As a result, it is particularly advantageous in environments where signal interference is prevalent.One of the most significant applications of wideband frequency-modulation is in FM radio broadcasting. Traditional FM uses a narrower bandwidth, which can sometimes lead to audio quality degradation due to interference from other signals. However, with wideband frequency-modulation, broadcasters can transmit high-fidelity audio at a higher bandwidth, resulting in clearer sound and improved listener experience. This is especially important in music broadcasting, where audio quality is paramount.Moreover, wideband frequency-modulation is not limited to radio; it is also extensively used in television broadcasting and digital communication systems. For instance, in digital satellite communications, this modulation technique allows for the transmission of high-definition video content without significant loss of quality. The ability to carry more data over a wider bandwidth is essential in today’s fast-paced digital world, where consumers expect seamless streaming and high-quality media.Another key advantage of wideband frequency-modulation is its ability to support multiple channels within the same frequency band. This is achieved through a technique known as frequency division multiplexing (FDM), where multiple signals are transmitted simultaneously over different frequencies. This capability is vital for telecommunications networks, where efficient use of available spectrum is necessary to accommodate the growing number of users and devices.However, implementing wideband frequency-modulation does come with challenges. The increased bandwidth requirements mean that more power is needed for transmission, which can lead to higher operational costs. Additionally, the design of receivers must be more sophisticated to accurately demodulate the wideband signals. Engineers and designers must balance these factors to create efficient and cost-effective communication systems.In conclusion, wideband frequency-modulation represents a significant advancement in communication technology, offering numerous benefits such as improved audio quality, enhanced data transmission capabilities, and efficient use of available bandwidth. As we continue to rely on digital communication for both personal and professional use, understanding and utilizing techniques like wideband frequency-modulation will be essential for the future of media transmission. As technology progresses, it is likely that we will see even more innovative applications of this modulation technique, further shaping the landscape of global communication. The importance of 宽带频率调制 cannot be overstated, as it continues to drive advancements in how we connect and communicate with one another.

在现代通信领域,技术不断发展以满足对高质量音频和视频传输的日益需求。其中,一个关键的技术是宽带频率调制,它在提高信号质量和带宽效率方面发挥着至关重要的作用。这种调制方法允许使用更广泛的频率,从而改善传输信号的保真度。宽带频率调制是指在更广的频率范围内进行信号调制,从而提高传输质量和带宽效率。宽带频率调制的原理相对简单。与窄带调制不同,窄带调制在有限带宽内传输信息,而宽带调制则将信号扩展到更大的频率范围。这一特性不仅最小化了噪声的影响,还增强了通信系统的整体鲁棒性。因此,在信号干扰普遍存在的环境中,它尤其具有优势。宽带频率调制最显著的应用之一是在FM广播中。传统的FM使用较窄的带宽,这有时会导致由于其他信号的干扰而音质下降。然而,借助宽带频率调制,广播公司可以在更高的带宽下传输高保真音频,从而实现更清晰的声音和更好的听众体验。这在音乐广播中尤为重要,因为音频质量至关重要。此外,宽带频率调制不仅限于广播;它也广泛应用于电视广播和数字通信系统。例如,在数字卫星通信中,这种调制技术允许在没有显著质量损失的情况下传输高清晰度的视频内容。能够在更宽的带宽上承载更多数据,对于当今快节奏的数字世界至关重要,消费者期待无缝流媒体和高质量媒体。宽带频率调制的另一个关键优势是其在同一频带内支持多个通道的能力。这是通过一种称为频分复用(FDM)的技术实现的,其中多个信号可以在不同频率上同时传输。这一能力对于电信网络至关重要,因为有效利用可用频谱是容纳越来越多的用户和设备所必需的。然而,实现宽带频率调制确实面临挑战。增加的带宽需求意味着需要更多的传输功率,这可能导致更高的运营成本。此外,接收器的设计必须更复杂,以准确解调宽带信号。工程师和设计师必须权衡这些因素,以创建高效且具有成本效益的通信系统。总之,宽带频率调制代表了通信技术的一项重大进步,提供了诸多好处,如改善音频质量、增强数据传输能力和有效利用可用带宽。随着我们继续依赖数字通信进行个人和专业用途,理解和利用像宽带频率调制这样的技术将对未来媒体传输至关重要。随着技术的进步,我们可能会看到这种调制技术的更多创新应用,进一步塑造全球通信的格局。宽带频率调制的重要性不容小觑,因为它继续推动我们彼此连接和沟通的进步。

相关单词

wideband

wideband详解:怎么读、什么意思、用法