single-sideband tuning
简明释义
单边带调谐
英英释义
例句
1.Using single-sideband tuning 单边带调谐 allows for more efficient use of bandwidth in radio transmissions.
使用single-sideband tuning 单边带调谐可以更有效地利用无线电传输中的带宽。
2.Many pilots utilize single-sideband tuning 单边带调谐 for clearer communication with air traffic control.
许多飞行员利用single-sideband tuning 单边带调谐与空中交通管制进行更清晰的沟通。
3.During the competition, the team relied on single-sideband tuning 单边带调谐 to communicate effectively over long distances.
在比赛期间,团队依靠single-sideband tuning 单边带调谐有效地进行远距离通信。
4.In amateur radio, many operators prefer single-sideband tuning 单边带调谐 for clearer audio quality.
在业余无线电中,许多操作员更喜欢single-sideband tuning 单边带调谐以获得更清晰的音质。
5.The new transceiver model offers advanced single-sideband tuning 单边带调谐 features for better signal reception.
新款收发器型号提供了先进的single-sideband tuning 单边带调谐功能,以改善信号接收。
作文
In the world of radio communications, one of the most significant advancements has been the development of various modulation techniques. Among these, single-sideband tuning plays a pivotal role in enhancing the efficiency and clarity of transmitted signals. This technique is particularly important in amateur radio, aviation, and maritime communications, where clear and reliable communication is essential.To understand single-sideband tuning fully, we must first delve into the basics of amplitude modulation (AM). In traditional AM, the carrier wave is modulated to carry information by varying its amplitude. However, this method is not very efficient because it transmits both the upper and lower sidebands alongside the carrier wave, which often leads to unnecessary power consumption and bandwidth usage.This is where single-sideband tuning comes into play. By eliminating the carrier wave and one of the sidebands, this technique allows for the transmission of only one sideband, either the upper or the lower. This results in a more efficient use of power and bandwidth, making it possible to transmit clearer signals over long distances. The reduction in bandwidth is particularly beneficial in crowded frequency bands, as it minimizes interference from other signals.The advantages of single-sideband tuning are numerous. For instance, it offers improved signal-to-noise ratio, which is crucial for maintaining clarity in communications. Additionally, operators can achieve longer range transmissions with less power compared to traditional AM methods. This is especially advantageous for amateur radio enthusiasts who often operate with limited power output.Moreover, single-sideband tuning enables better audio quality. When using this technique, the transmitted voice sounds more natural and intelligible, which is vital during critical communications, such as those in emergency situations. The ability to communicate effectively can make a significant difference in life-and-death scenarios.However, single-sideband tuning does come with its challenges. For instance, it requires more sophisticated equipment and a deeper understanding of radio theory compared to standard AM. Operators must be familiar with the tuning process, which involves adjusting the receiver to pick up the desired sideband while filtering out the unwanted components. This can be daunting for beginners in the field of radio communications.In conclusion, single-sideband tuning represents a remarkable evolution in the way we communicate via radio. Its ability to improve efficiency, enhance clarity, and reduce interference makes it an invaluable tool for many radio operators. As technology continues to advance, the importance of mastering techniques like single-sideband tuning will only grow, ensuring that effective communication remains at the forefront of our increasingly connected world.
在无线电通信的世界中,最重要的进展之一是各种调制技术的发展。在这些技术中,单边带调谐 在提高传输信号的效率和清晰度方面发挥了关键作用。这种技术在业余无线电、航空和海洋通信中尤为重要,因为清晰可靠的通信至关重要。要全面理解单边带调谐,我们必须首先了解幅度调制(AM)的基本知识。在传统的AM中,载波波被调制以通过改变其幅度来承载信息。然而,这种方法的效率并不高,因为它同时传输上边带和下边带以及载波波,这通常会导致不必要的功耗和带宽使用。这就是单边带调谐派上用场的地方。通过消除载波波和一个边带,这种技术只允许传输一个边带,无论是上边带还是下边带。这导致更有效地使用功率和带宽,使得能够在长距离上传输更清晰的信号。带宽的减少在拥挤的频率带中尤其有利,因为它最小化了其他信号的干扰。单边带调谐的优势是众多的。例如,它提供了改进的信噪比,这对保持通信的清晰度至关重要。此外,与传统的AM方法相比,操作员可以以更少的功率实现更长的传输距离。这对于业余无线电爱好者尤其有利,他们通常在有限的功率输出下操作。此外,单边带调谐 提供了更好的音频质量。当使用这种技术时,传输的声音听起来更自然和易懂,这在关键通信中至关重要,例如在紧急情况下。有效沟通的能力在生死攸关的场景中可能会产生重大差异。然而,单边带调谐 确实存在一些挑战。例如,与标准AM相比,它需要更复杂的设备和对无线电理论的更深入理解。操作员必须熟悉调谐过程,这涉及调整接收器以接收所需的边带,同时过滤掉不需要的成分。这对无线电通信领域的初学者来说可能是令人畏惧的。总之,单边带调谐 代表了我们通过无线电通信方式的显著演变。它提高效率、增强清晰度和减少干扰的能力使其成为许多无线电操作员不可或缺的工具。随着技术的不断进步,掌握像单边带调谐这样的技术的重要性只会增加,确保有效的通信在我们日益互联的世界中始终处于前沿。
相关单词