single-side band

简明释义

单边带

英英释义

例句

1.The pilot communicated with air traffic control using single-side band 单边带 radio frequencies.

飞行员使用 single-side band 单边带 无线电频率与空中交通管制进行沟通。

2.In marine communication, single-side band 单边带 is essential for ships operating far from shore.

在海洋通信中，single-side band 单边带 对于远离海岸的船只至关重要。

3.Many amateur radio operators prefer single-side band 单边带 for long-distance communication.

许多业余无线电爱好者更喜欢使用 single-side band 单边带 进行长距离通信。

4.Using single-side band 单边带 can significantly reduce bandwidth usage in radio transmissions.

使用 single-side band 单边带 可以显著减少无线电传输中的带宽使用。

5.The radio technician explained how a single-side band 单边带 transmission works to improve signal clarity.

无线电技术员解释了如何通过 single-side band 单边带 传输来提高信号清晰度。

作文

In the world of radio communications, various techniques are employed to transmit and receive signals efficiently. One such technique is known as single-side band, which is a form of amplitude modulation (AM) that significantly improves the efficiency of radio transmissions. Unlike traditional AM broadcasting, which transmits two sidebands along with a carrier wave, single-side band eliminates one of the sidebands and the carrier, allowing for a more compact and energy-efficient signal. This not only saves bandwidth but also enhances the clarity of the transmitted audio, making it a preferred choice for amateur radio operators and commercial broadcasters alike.The concept of single-side band was developed during the early 20th century as advancements in technology made it possible to explore new methods of communication. By eliminating the unnecessary components of the signal, operators could transmit over longer distances with less power. This was particularly beneficial during World War II, where long-range communication was essential for military operations. The ability to communicate clearly and efficiently made single-side band a vital tool for both strategic planning and coordination on the battlefield.Moreover, single-side band is not only limited to voice communication; it can also be utilized for data transmission. In today's digital age, the use of single-side band has expanded into various fields, including aviation and maritime communications. Pilots and ship captains rely on this technology to maintain clear lines of communication, especially in remote areas where traditional communication methods may fail.One of the main advantages of single-side band is its ability to reduce interference from other signals. Since it transmits only one sideband, the potential for overlap with other frequencies is minimized. This characteristic makes it particularly useful in crowded frequency bands, allowing operators to communicate without the disruption that often accompanies standard AM transmissions. Additionally, the reduced power requirements of single-side band mean that operators can utilize smaller and more portable equipment, which is ideal for field operations or emergency situations.However, mastering single-side band technology does come with its challenges. For instance, tuning into a single-side band signal requires a different approach than traditional AM signals. Operators must learn how to properly tune their receivers to capture the intended frequency without the aid of a carrier wave. This learning curve can deter some individuals from fully embracing the technology, but those who invest the time to understand it often find the benefits far outweigh the initial difficulties.In conclusion, single-side band represents a significant advancement in the field of radio communications, offering increased efficiency, clarity, and flexibility. Its applications extend beyond simple voice communication, impacting various industries and enhancing our ability to connect over long distances. As technology continues to evolve, the importance of understanding and utilizing techniques like single-side band will only grow, ensuring that we remain connected in an ever-changing world.

在无线电通信的世界中，采用各种技术来有效地传输和接收信号。其中一种技术被称为单边带，这是一种幅度调制（AM）的形式，显著提高了无线电传输的效率。与传统的AM广播不同，传统AM广播同时传输两个边带和一个载波，而单边带则消除了其中一个边带和载波，从而允许更紧凑和节能的信号。这不仅节省了带宽，还增强了传输音频的清晰度，使其成为业余无线电操作员和商业广播者的首选。单边带的概念是在20世纪初发展起来的，随着技术的进步，使得探索新的通信方法成为可能。通过消除信号的不必要成分，操作员可以以更少的功率进行长距离传输。这在第二次世界大战期间尤为有利，因为长距离通信对军事行动至关重要。清晰高效的通信能力使得单边带成为战略规划和战场协调的重要工具。此外，单边带不仅限于语音通信；它还可以用于数据传输。在今天的数字时代，单边带的使用扩展到各个领域，包括航空和海事通信。飞行员和船长依赖这种技术在偏远地区保持清晰的通信，特别是在传统通信方法可能失效的地方。单边带的主要优点之一是能够减少来自其他信号的干扰。由于它只传输一个边带，因此与其他频率重叠的潜力最小化。这一特性使其在拥挤的频段中特别有用，使操作员能够在标准AM传输常伴随的干扰下进行通信。此外，单边带的降低功率需求意味着操作员可以使用更小和更便携的设备，这对于野外操作或紧急情况而言是理想的。然而，掌握单边带技术确实存在一些挑战。例如，调谐单边带信号需要与传统AM信号不同的方法。操作员必须学习如何正确调谐他们的接收器，以捕捉到没有载波波的预定频率。这一学习曲线可能会阻止一些人充分接受这一技术，但那些愿意投入时间去理解它的人往往会发现收益远远超过最初的困难。总之，单边带代表了无线电通信领域的一项重大进步，提供了更高的效率、清晰度和灵活性。它的应用超越了简单的语音通信，影响着各个行业，并增强了我们在长距离上连接的能力。随着技术的不断发展，理解和利用像单边带这样的技术的重要性只会增加，确保我们在不断变化的世界中保持联系。