suppressed sideband

简明释义

抑制边带

英英释义

A suppressed sideband refers to a modulation technique in telecommunications where one of the sidebands is intentionally reduced or eliminated to improve efficiency or reduce bandwidth.

抑制边带是指电信中的一种调制技术,其中一个边带被故意减少或消除,以提高效率或减少带宽。

例句

1.The audio engineer adjusted the settings to achieve a suppressed sideband 抑制边带 configuration for better sound quality.

音频工程师调整设置,以实现更好的音质的抑制边带 抑制边带配置。

2.In digital communication systems, the use of filtering techniques can help achieve a suppressed sideband 抑制边带 to improve signal clarity.

在数字通信系统中,使用过滤技术可以帮助实现抑制边带 抑制边带,以提高信号清晰度。

3.By utilizing a suppressed sideband 抑制边带 modulation technique, we can transmit information more efficiently over limited bandwidth.

通过利用抑制边带 抑制边带调制技术,我们可以在有限带宽上更有效地传输信息。

4.The radio technician explained how a suppressed sideband 抑制边带 can reduce interference during transmission.

无线电技术员解释了如何通过抑制边带 抑制边带来减少传输过程中的干扰。

5.In amateur radio, operators often prefer using suppressed sideband 抑制边带 to minimize unwanted signals.

在业余无线电中,操作员通常更喜欢使用抑制边带 抑制边带来最小化不必要的信号。

作文

In the realm of communication systems, the concept of a suppressed sideband plays a crucial role in enhancing the efficiency and clarity of transmitted signals. To understand this term, we must first delve into the basics of amplitude modulation (AM) and frequency modulation (FM). In AM, a carrier wave is modulated by an information signal, resulting in the creation of sidebands. These sidebands are additional frequencies that carry the same information as the original signal but can also introduce unwanted noise and interference. The suppressed sideband technique aims to minimize these undesired components, thereby improving overall signal quality.The principle behind suppressed sideband modulation is relatively straightforward. Instead of transmitting both the upper and lower sidebands of the modulated signal, only one sideband is sent while the other is suppressed or eliminated. This method not only reduces bandwidth usage but also enhances the signal-to-noise ratio. By focusing on just one sideband, the system can operate more efficiently, allowing for clearer reception and reduced power consumption.One of the most common applications of suppressed sideband technology is in single-sideband amplitude modulation (SSB-AM), which is widely used in radio communications, particularly in amateur radio and aviation. In SSB, the carrier wave is removed along with one of the sidebands, which significantly decreases the amount of power required for transmission. This is particularly advantageous in long-distance communications where preserving energy is paramount. The result is a more robust signal that can be transmitted over greater distances without degradation.The benefits of using suppressed sideband techniques extend beyond just improved power efficiency. For instance, it also allows for better utilization of the available frequency spectrum. In crowded frequency bands, such as those often found in urban areas, being able to transmit using less bandwidth is essential. By employing suppressed sideband modulation, operators can avoid interference with other signals and maintain clearer communication channels.Furthermore, the advent of digital communication has also seen the integration of suppressed sideband principles. Digital signals can benefit from similar techniques to enhance data integrity and transmission efficiency. In modern telecommunication systems, where data rates are continually increasing, the ability to suppress unnecessary sidebands helps maintain high-quality connections.In conclusion, the suppressed sideband technique is an essential component of modern communication systems. By eliminating one sideband and the carrier wave, this method enhances signal clarity, improves power efficiency, and optimizes bandwidth usage. As technology continues to evolve, the importance of suppressed sideband modulation will likely increase, paving the way for even more advanced communication methods that rely on this fundamental principle. Understanding and mastering the concept of suppressed sideband is therefore vital for anyone interested in the field of telecommunications and signal processing.

在通信系统领域,抑制边带的概念在增强传输信号的效率和清晰度方面发挥着至关重要的作用。要理解这个术语,我们首先需要深入了解调幅(AM)和调频(FM)的基本知识。在AM中,一个载波波形通过信息信号进行调制,导致生成边带。这些边带是额外的频率,携带与原始信号相同的信息,但也可能引入不必要的噪声和干扰。抑制边带技术旨在最小化这些不必要的成分,从而改善整体信号质量。抑制边带调制的原理相对简单。与其传输调制信号的上下边带,不如只发送一个边带,而将另一个边带抑制或消除。这种方法不仅减少了带宽使用,还提高了信噪比。通过专注于一个边带,系统可以更高效地运行,从而允许更清晰的接收和减少功耗。抑制边带技术的一个常见应用是在单边带调幅(SSB-AM)中,该技术广泛用于无线电通信,尤其是在业余无线电和航空领域。在SSB中,载波波形和一个边带被去除,这显著减少了传输所需的功率。这在远距离通信中尤其有利,因为保持能量至关重要。结果是一个更强大的信号,可以在不降解的情况下传输更远的距离。使用抑制边带技术的好处不仅限于改善功率效率。例如,它还允许更好地利用可用的频谱。在拥挤的频带中,例如城市地区,能够使用更少的带宽进行传输是至关重要的。通过采用抑制边带调制,操作员可以避免与其他信号的干扰,并保持更清晰的通信通道。此外,数字通信的出现也看到了抑制边带原则的整合。数字信号可以受益于类似的技术,以增强数据完整性和传输效率。在现代电信系统中,数据速率不断增加,抑制不必要的边带的能力有助于保持高质量的连接。总之,抑制边带技术是现代通信系统的一个重要组成部分。通过消除一个边带和载波波形,这种方法增强了信号清晰度,提高了功率效率,并优化了带宽使用。随着技术的不断发展,抑制边带调制的重要性可能会增加,为依赖这一基本原理的更先进的通信方法铺平道路。因此,理解和掌握抑制边带的概念对于任何对电信和信号处理领域感兴趣的人来说都是至关重要的。

相关单词

suppressed

suppressed详解:怎么读、什么意思、用法

sideband

sideband详解:怎么读、什么意思、用法