single sideband circuit

简明释义

单边带电路

英英释义

A single sideband circuit is a type of modulation used in communication systems where only one of the two sidebands produced by amplitude modulation is transmitted, allowing for more efficient use of bandwidth.

单边带电路是一种用于通信系统的调制方式,在这种方式中,仅传输由幅度调制产生的两个边带中的一个,从而实现更有效的带宽利用。

例句

1.The radio technician explained how the single sideband circuit 单边带电路 improves signal clarity.

无线电技术员解释了如何通过 single sideband circuit 单边带电路 提高信号清晰度。

2.The single sideband circuit 单边带电路 allows for more efficient use of bandwidth.

single sideband circuit 单边带电路 允许更有效地使用带宽。

3.The new transceiver features an advanced single sideband circuit 单边带电路 for clearer audio output.

新的收发器配备了先进的 single sideband circuit 单边带电路 以获得更清晰的音频输出。

4.When troubleshooting, he found that the single sideband circuit 单边带电路 was not properly tuned.

在故障排除时,他发现 single sideband circuit 单边带电路 的调谐不正确。

5.In amateur radio, many operators prefer using a single sideband circuit 单边带电路 for better communication range.

在业余无线电中,许多操作员更喜欢使用 single sideband circuit 单边带电路 以获得更好的通信范围。

作文

In the world of telecommunications, the efficiency and clarity of communication signals are paramount. One of the most important technologies that have emerged to enhance radio communication is the single sideband circuit. This technology plays a crucial role in reducing the bandwidth required for transmitting information while improving the quality of the received signal. To understand the significance of the single sideband circuit, it is essential to delve into its workings and applications.The basic principle behind the single sideband circuit lies in modulation. In traditional amplitude modulation (AM), a carrier wave is modulated by an audio signal, resulting in two sidebands: the upper and lower sidebands. However, much of the energy in these sidebands is redundant, leading to inefficient use of bandwidth. The single sideband circuit addresses this issue by eliminating one of the sidebands and the carrier wave, allowing for a more efficient transmission of the audio signal.One of the key advantages of using a single sideband circuit is its ability to transmit over long distances with minimal power consumption. This is particularly beneficial for amateur radio operators and commercial broadcasters who seek to reach audiences far and wide without incurring high costs. Additionally, the reduced bandwidth means that multiple channels can coexist within the same frequency range, leading to better spectrum utilization.The applications of the single sideband circuit extend beyond just radio broadcasting. It is widely used in aviation communications, maritime operations, and even in military applications. For instance, pilots rely on SSB transmissions for clear communication over vast distances, especially when flying over oceans where conventional communication methods may fail. Similarly, ships at sea utilize single sideband circuits to maintain contact with coastal stations, ensuring safety and coordination during voyages.Moreover, the single sideband circuit has also found its way into the realm of digital communications. With the rise of digital modes such as PSK31 and Winlink, the principles of SSB have been adapted to facilitate data transmission. This evolution showcases the versatility of the single sideband circuit and its relevance in modern communication systems.Despite its advantages, operating a single sideband circuit requires a certain level of skill and knowledge. Users must be familiar with the necessary equipment, including transceivers and antennas, and must understand how to tune their devices for optimal performance. Additionally, the clarity of the transmitted signal can be affected by various factors such as atmospheric conditions and interference from other signals. Therefore, operators must be adept at troubleshooting and adjusting their equipment to ensure reliable communication.In conclusion, the single sideband circuit represents a significant advancement in the field of telecommunications. By improving the efficiency of signal transmission and reducing bandwidth requirements, it has transformed the way we communicate over radio waves. Its applications span across various fields, from aviation to maritime communication, making it an indispensable tool for many professionals. As technology continues to evolve, the principles underlying the single sideband circuit will undoubtedly remain relevant, paving the way for future innovations in communication technology.

在电信领域,通信信号的效率和清晰度至关重要。为了增强无线电通信,出现了一项重要技术——单边带电路。这项技术在减少传输信息所需带宽的同时,提高了接收信号的质量。要理解单边带电路的重要性,有必要深入探讨它的工作原理和应用。单边带电路的基本原理在于调制。在传统的幅度调制(AM)中,载波波被音频信号调制,产生上下两个边带。然而,这些边带中的大部分能量是冗余的,导致带宽的低效利用。单边带电路通过消除一个边带和载波,解决了这个问题,从而实现了音频信号的更高效传输。使用单边带电路的一个关键优势是其能够以最小的功耗进行远距离传输。这对业余无线电操作员和商业广播公司尤为重要,他们希望在不产生高成本的情况下,覆盖广泛的受众。此外,减少的带宽意味着多个频道可以在同一频率范围内共存,从而提高了频谱利用率。单边带电路的应用不仅限于无线电广播。它广泛用于航空通信、海事操作,甚至军事应用。例如,飞行员依靠SSB传输在广阔的距离上进行清晰的通信,尤其是在飞越海洋时,传统的通信方法可能会失效。同样,海上的船只利用单边带电路与沿海站保持联系,确保航行过程中的安全和协调。此外,单边带电路也进入了数字通信领域。随着PSK31和Winlink等数字模式的兴起,SSB的原理被调整以促进数据传输。这一演变展示了单边带电路的多功能性及其在现代通信系统中的相关性。尽管有诸多优点,操作单边带电路需要一定的技能和知识。用户必须熟悉必要的设备,包括收发器和天线,并了解如何调谐设备以获得最佳性能。此外,传输信号的清晰度可能受到大气条件和其他信号干扰等各种因素的影响。因此,操作员必须善于故障排除和调整设备,以确保可靠的通信。总之,单边带电路代表了电信领域的一项重大进步。通过提高信号传输的效率和减少带宽需求,它改变了我们通过无线电波沟通的方式。它的应用跨越多个领域,从航空到海事通信,使其成为许多专业人士不可或缺的工具。随着技术的不断发展,支撑单边带电路的原则无疑将继续保持相关性,为未来通信技术的创新铺平道路。

相关单词

sideband

sideband详解:怎么读、什么意思、用法

circuit

circuit详解:怎么读、什么意思、用法