side band only

简明释义

单边带

英英释义

例句

1.The radio technician explained that the device operates in side band only, meaning it transmits signals without a carrier wave.

无线电技术员解释说，该设备以侧带信号为主工作，这意味着它在没有载波的情况下发送信号。

2.The new software update allows users to switch to side band only for better performance.

新的软件更新允许用户切换到侧带信号为主以获得更好的性能。

3.When tuning the receiver, make sure it is set to side band only to avoid noise.

调节接收器时，请确保其设置为侧带信号为主以避免噪音。

4.For clearer communication, we decided to use side band only mode during our long-distance transmission.

为了更清晰的交流，我们决定在长距离传输中使用侧带信号为主模式。

5.In amateur radio, operating in side band only can help reduce interference from other signals.

在业余无线电中，使用侧带信号为主可以帮助减少其他信号的干扰。

作文

In the world of telecommunications and radio frequency communication, terms and concepts can often be quite complex. One such term is side band only, which plays a crucial role in understanding how signals are transmitted and received. To grasp the significance of this phrase, we must first delve into the basics of amplitude modulation (AM) and frequency modulation (FM). Amplitude modulation is a technique used to encode information in a carrier wave by varying its amplitude. This results in the creation of sidebands, which are the frequencies that are generated above and below the carrier frequency. The part of the signal that contains the actual information is known as the sideband. In contrast, frequency modulation involves varying the frequency of the carrier wave, leading to a different set of sidebands. The term side band only refers specifically to the practice of transmitting or receiving only the sidebands of a modulated signal, without the carrier frequency itself. This approach can be advantageous in certain situations, particularly in reducing bandwidth usage and improving signal clarity. By focusing solely on the sidebands, operators can enhance the quality of the received signal, especially in noisy environments where the carrier might be distorted or weak. For instance, in amateur radio, many operators utilize side band only techniques to communicate over long distances. Single Sideband (SSB) is a form of amplitude modulation that suppresses the carrier wave and one of the sidebands, allowing for more efficient transmission. This method is particularly beneficial for voice communication, as it reduces the bandwidth required and minimizes interference from other signals. Moreover, side band only transmission is not limited to amateur radio; it is also widely used in commercial broadcasting and aviation communication. By eliminating the carrier frequency, broadcasters can transmit high-quality audio signals with less power, making it an energy-efficient option. In aviation, pilots often rely on side band only communications to ensure clear and reliable communication with air traffic control, especially in crowded airspace. Understanding side band only is essential for anyone involved in the field of radio communications. It highlights the importance of effective signal processing and the ways in which technology can optimize communication methods. As we continue to advance in our technological capabilities, the relevance of side band only practices will likely grow, paving the way for even more efficient and clearer communication channels. In conclusion, the concept of side band only represents a significant aspect of modern communication techniques. By focusing on the sidebands of a modulated signal, we can achieve better clarity, reduce bandwidth requirements, and enhance overall communication efficiency. Whether in amateur radio, commercial broadcasting, or aviation, the principles behind side band only are vital for ensuring effective and reliable communication in an increasingly complex world.

在电信和无线电频率通信的世界中，术语和概念往往相当复杂。其中一个术语是边带仅，它在理解信号如何传输和接收方面起着关键作用。要掌握这个短语的重要性，我们必须首先了解调幅（AM）和调频（FM）的基础知识。调幅是一种通过改变载波波的幅度来编码信息的技术。这会导致生成边带，即在载波频率之上和之下产生的频率。包含实际信息的信号部分被称为边带。相反，调频涉及改变载波波的频率，从而产生一组不同的边带。术语边带仅特指仅传输或接收调制信号的边带，而不包括载波频率本身。这种方法在某些情况下可能具有优势，特别是在减少带宽使用和提高信号清晰度方面。通过专注于边带，操作员可以提高接收信号的质量，尤其是在载波可能失真或微弱的嘈杂环境中。例如，在业余无线电中，许多操作员利用边带仅技术进行远距离通信。单边带（SSB）是一种调幅形式，它抑制载波波和一个边带，从而允许更高效的传输。这种方法对于语音通信特别有利，因为它减少了所需的带宽并最小化了来自其他信号的干扰。此外，边带仅传输不限于业余无线电；它在商业广播和航空通信中也被广泛使用。通过消除载波频率，广播公司可以以更少的功率传输高质量的音频信号，使其成为一种节能的选择。在航空领域，飞行员通常依靠边带仅通信来确保与空中交通管制的清晰和可靠的沟通，尤其是在拥挤的空域中。理解边带仅对于任何参与无线电通信领域的人来说都是必不可少的。它突显了有效信号处理的重要性以及技术如何优化通信方法。随着我们在技术能力上的不断进步，边带仅实践的相关性可能会增加，为更高效、更清晰的通信渠道铺平道路。总之，边带仅的概念代表了现代通信技术的一个重要方面。通过关注调制信号的边带，我们可以实现更好的清晰度、减少带宽需求，并提高整体通信效率。无论是在业余无线电、商业广播还是航空领域，边带仅背后的原则对于确保在日益复杂的世界中有效和可靠的通信至关重要。