single sideband suppressed carrier

简明释义

单边带抑制载波

英英释义

例句

1.The single sideband suppressed carrier 单边带抑制载波 modulation technique is essential for efficient long-distance transmissions.

对于高效的远程传输，单边带抑制载波 单边带抑制载波调制技术至关重要。

2.In amateur radio, many operators prefer using single sideband suppressed carrier 单边带抑制载波 to improve their communication range.

在业余无线电中，许多操作员更喜欢使用单边带抑制载波 单边带抑制载波来提高他们的通信范围。

3.Many military communications systems utilize single sideband suppressed carrier 单边带抑制载波 to enhance security and clarity.

许多军事通信系统利用单边带抑制载波 单边带抑制载波来增强安全性和清晰度。

4.Using single sideband suppressed carrier 单边带抑制载波 can significantly reduce bandwidth usage in radio communications.

使用单边带抑制载波 单边带抑制载波可以显著减少无线电通信中的带宽使用。

5.The single sideband suppressed carrier 单边带抑制载波 mode is preferred for voice transmissions over HF bands.

在HF频段的语音传输中，单边带抑制载波 单边带抑制载波模式是首选。

作文

In the realm of telecommunications, the term single sideband suppressed carrier refers to a modulation technique that is widely used for voice transmission and data communication. This method is particularly significant in radio communications, where efficiency and clarity are paramount. The essence of single sideband suppressed carrier lies in its ability to transmit information using only one of the two sidebands produced during the modulation process while eliminating the carrier wave. This results in a more efficient use of bandwidth and improved signal quality.To understand the importance of single sideband suppressed carrier, it is essential to first grasp the basic principles of amplitude modulation (AM). In traditional AM, a carrier wave is modulated by the audio signal, resulting in two sidebands: the upper sideband and the lower sideband. However, both the carrier and the sidebands occupy valuable bandwidth. By utilizing single sideband suppressed carrier, operators can transmit only one sideband, effectively doubling the efficiency of the frequency spectrum.One of the primary advantages of single sideband suppressed carrier is its ability to minimize power consumption. Since the carrier wave is suppressed, less energy is required for transmission, which is particularly beneficial for portable and battery-operated devices. This characteristic makes single sideband suppressed carrier an ideal choice for long-distance communication, such as in amateur radio and maritime operations, where power resources may be limited.Moreover, single sideband suppressed carrier offers superior sound quality compared to conventional AM. The elimination of the carrier wave reduces the overall noise level, allowing for clearer audio signals. This is crucial in situations where clarity is vital, such as emergency communications or critical business transmissions. Users of single sideband suppressed carrier technology often report enhanced intelligibility and reduced distortion, making it a preferred method for serious communicators.The implementation of single sideband suppressed carrier also has implications for frequency allocation. Because it occupies less bandwidth than traditional AM, it allows for more channels to be packed into the same frequency range. This is particularly advantageous in crowded frequency bands where multiple users compete for space. Thus, single sideband suppressed carrier not only improves individual communication but also enhances the overall efficiency of the communication spectrum.In conclusion, the significance of single sideband suppressed carrier in modern telecommunications cannot be overstated. Its ability to provide clear, efficient, and effective communication makes it a cornerstone of radio technology. As communication needs continue to evolve, techniques like single sideband suppressed carrier will remain at the forefront, pushing the boundaries of what is possible in the world of wireless communication. Understanding and mastering this concept is essential for anyone involved in the field of telecommunications, whether as a hobbyist or a professional. The future of communication is undoubtedly tied to the advancements brought forth by methods such as single sideband suppressed carrier.

在电信领域，术语单边带抑制载波指的是一种广泛用于语音传输和数据通信的调制技术。这种方法在无线电通信中尤为重要，因为效率和清晰度至关重要。单边带抑制载波的本质在于它能够仅使用在调制过程中产生的两个边带中的一个进行信息传输，同时消除载波。这导致了带宽的更有效利用和信号质量的改善。要理解单边带抑制载波的重要性，首先必须掌握幅度调制（AM）的基本原理。在传统的AM中，载波波被音频信号调制，产生上下两个边带。然而，载波和边带都占用了宝贵的带宽。通过利用单边带抑制载波，操作员可以仅传输一个边带，从而有效地将频谱的效率翻倍。单边带抑制载波的主要优势之一是其能够最小化功耗。由于载波波被抑制，因此传输所需的能量更少，这对于便携式和电池供电的设备尤其有利。这一特性使得单边带抑制载波成为长距离通信的理想选择，例如业余无线电和海洋作业，在这些情况下，电源资源可能有限。此外，与传统AM相比，单边带抑制载波提供了更优越的音质。载波波的消除降低了整体噪声水平，使得音频信号更加清晰。这在需要清晰度的情况下至关重要，例如紧急通信或关键业务传输。使用单边带抑制载波技术的用户常常报告到增强的可懂度和减少的失真，使其成为严肃通信者的首选方法。单边带抑制载波的实施也对频率分配产生了影响。因为它占用的带宽比传统AM小，所以允许在相同的频率范围内压缩更多的频道。这在多个用户争夺空间的拥挤频率带中尤其有利。因此，单边带抑制载波不仅改善了个别通信，还增强了通信频谱的整体效率。总之，单边带抑制载波在现代电信中的重要性不容小觑。它提供清晰、高效和有效的通信，使其成为无线电技术的基石。随着通信需求的不断发展，像单边带抑制载波这样的技术将继续处于前沿，推动无线通信领域的可能性界限。理解和掌握这一概念对任何参与电信领域的人来说都是必不可少的，无论是作为爱好者还是专业人士。通信的未来无疑与单边带抑制载波所带来的进步息息相关。