single sideband suppressed carrier

简明释义

载波抑制式单边带

英英释义

例句

1.In amateur radio, many operators prefer using single sideband suppressed carrier 单边带抑制载波 for long-distance communication.

在业余无线电中，许多操作员更喜欢使用单边带抑制载波 single sideband suppressed carrier进行远程通信。

2.During the workshop, participants learned about the advantages of single sideband suppressed carrier 单边带抑制载波 in voice transmission.

在研讨会上，参与者了解了单边带抑制载波 single sideband suppressed carrier在语音传输中的优势。

3.Using single sideband suppressed carrier 单边带抑制载波 allows for clearer signals in crowded frequency bands.

使用单边带抑制载波 single sideband suppressed carrier可以在拥挤的频段中实现更清晰的信号。

4.The radio technician explained how a single sideband suppressed carrier 单边带抑制载波 signal can improve communication clarity.

无线电技术员解释了如何使用单边带抑制载波 single sideband suppressed carrier信号可以提高通信清晰度。

5.The single sideband suppressed carrier 单边带抑制载波 technique helps to reduce bandwidth usage in transmissions.

使用单边带抑制载波 single sideband suppressed carrier技术有助于减少传输中的带宽使用。

作文

In the realm of communication technology, various modulation techniques are employed to transmit information efficiently over radio waves. One such technique is known as single sideband suppressed carrier, which has gained prominence due to its effectiveness in conserving bandwidth and improving signal quality. Understanding this concept requires a dive into the fundamentals of amplitude modulation (AM) and how single sideband suppressed carrier differs from traditional methods.Amplitude modulation is a technique where the amplitude of a carrier wave is varied in accordance with the information signal. In standard AM, both the upper and lower sidebands, along with the carrier frequency, are transmitted. This results in a wider bandwidth requirement, which can be inefficient, especially in crowded frequency bands. The carrier wave, while necessary for demodulation, consumes a significant amount of power and does not carry any information itself. This is where single sideband suppressed carrier comes into play.The single sideband suppressed carrier technique eliminates the carrier wave and one of the sidebands, either the upper or lower sideband, from the transmission. By doing so, it allows for a more efficient use of the available bandwidth. The remaining sideband carries all the necessary information, making it possible to transmit signals with less power and greater clarity. This is particularly advantageous in long-distance communication, where signal degradation can occur. Moreover, the suppression of the carrier wave means that less power is wasted on transmitting a signal that does not carry information. This efficiency leads to improved signal-to-noise ratios, which is crucial in maintaining the integrity of the transmitted message. The single sideband suppressed carrier method is widely used in various applications, including amateur radio, aviation communication, and maritime operations, where clear and reliable communication is essential.Despite its advantages, the implementation of single sideband suppressed carrier does come with its challenges. The demodulation process is more complex than that of standard AM. Receivers must be able to accurately reconstruct the suppressed carrier to retrieve the original signal. This requires sophisticated technology and can lead to compatibility issues with traditional AM receivers. However, the benefits often outweigh these drawbacks, especially in environments where bandwidth is at a premium.In conclusion, the single sideband suppressed carrier technique represents a significant advancement in the field of radio communication. By eliminating unnecessary components of the signal, it enhances efficiency and clarity, making it an ideal choice for many modern communication systems. As technology continues to evolve, understanding and utilizing methods like single sideband suppressed carrier will be crucial for engineers and technicians working in the field of telecommunications. Embracing such innovations not only improves current communication practices but also paves the way for future advancements that will further revolutionize how we transmit and receive information across the globe.

在通信技术领域，各种调制技术被用来有效地通过无线电波传输信息。其中一种技术被称为单边带抑制载波，由于其在节省带宽和改善信号质量方面的有效性而受到重视。理解这个概念需要深入了解幅度调制（AM）的基本原理以及单边带抑制载波与传统方法的区别。幅度调制是一种技术，其中载波波的幅度根据信息信号的变化而变化。在标准AM中，上下边带以及载波频率都被传输。这导致了更宽的带宽需求，这在频率拥挤的情况下可能效率低下。载波波虽然在解调中是必要的，但消耗了大量的功率，并且本身不携带任何信息。这就是单边带抑制载波发挥作用的地方。单边带抑制载波技术消除了载波波和一个边带，要么是上边带，要么是下边带，从传输中去除。通过这样做，它允许更有效地利用可用带宽。剩余的边带携带所有必要的信息，使得以更少的功率和更高的清晰度传输信号成为可能。这在远距离通信中尤其有利，因为信号衰减可能会发生。此外，抑制载波波意味着在传输不携带信息的信号时浪费的功率更少。这种效率提高了信噪比，这在保持传输信息的完整性方面至关重要。单边带抑制载波方法被广泛应用于各种应用，包括业余无线电、航空通信和海事操作，在这些领域，清晰可靠的通信至关重要。尽管有其优势，单边带抑制载波的实施确实面临一些挑战。解调过程比标准AM更复杂。接收器必须能够准确重建被抑制的载波，以检索原始信号。这需要复杂的技术，并可能导致与传统AM接收器的兼容性问题。然而，优点往往超过这些缺点，特别是在带宽紧张的环境中。总之，单边带抑制载波技术代表了无线电通信领域的重要进步。通过消除信号的不必要组件，它增强了效率和清晰度，使其成为许多现代通信系统的理想选择。随着技术的不断发展，理解和利用像单边带抑制载波这样的技术将对从事电信领域工程师和技术人员至关重要。接受这样的创新不仅改善了当前的通信实践，而且为未来进一步革命化我们如何在全球范围内传输和接收信息铺平了道路。