main sideband

简明释义

主边带

英英释义

例句

1.The main sideband 主边带 is crucial for demodulating the received signal accurately.

对于准确解调接收到的信号，主边带 主边带 是至关重要的。

2.When analyzing the frequency spectrum, we often focus on the main sideband 主边带 for clearer insights into the signal's characteristics.

在分析频谱时，我们通常关注 主边带 主边带 以便更清晰地了解信号的特性。

3.In a radio communication system, the signal is modulated to transmit information, and the main sideband 主边带 carries the majority of the data.

在无线通信系统中，信号经过调制以传输信息，主边带 主边带 承载了大部分数据。

4.To enhance signal clarity, engineers often filter out the unwanted frequencies and retain the main sideband 主边带.

为了增强信号清晰度，工程师们通常会过滤掉不必要的频率，保留 主边带 主边带 。

5.In amplitude modulation, the main sideband 主边带 represents the upper and lower frequencies that carry the audio information.

在幅度调制中，主边带 主边带 表示携带音频信息的上下频率。

作文

In the field of telecommunications and signal processing, understanding the concept of the main sideband is crucial for effective communication. The term main sideband refers to the primary frequency components that are generated when a modulating signal is applied to a carrier wave. This phenomenon occurs in various modulation techniques, including amplitude modulation (AM) and frequency modulation (FM). By grasping the significance of the main sideband, engineers and technicians can optimize their systems for better performance and reliability.To delve deeper into this topic, we must first understand what sidebands are. When a carrier wave is modulated, it does not simply transmit the original signal but instead creates additional frequency components around the carrier frequency. These components are known as sidebands. In the case of AM, there are two sidebands: the upper sideband (USB) and the lower sideband (LSB). However, the main sideband typically refers to the sideband that carries the most significant portion of the information, which is often the upper sideband in many applications.The importance of the main sideband can be seen in various practical applications. For instance, in radio broadcasting, the main sideband carries the audio information that listeners hear. If the sidebands are not properly transmitted or received, the quality of the audio can diminish significantly, leading to a poor listening experience. Therefore, ensuring that the main sideband is clear and strong is essential for any broadcasting station.Moreover, in the context of digital communications, the concept of the main sideband also plays a vital role. In modern digital modulation schemes, such as Quadrature Amplitude Modulation (QAM), the main sideband still represents the primary information-carrying part of the transmitted signal. Understanding how to effectively manage the main sideband can lead to improved data rates and better overall system efficiency.Another aspect to consider is the impact of noise on the main sideband. In real-world scenarios, signals are often affected by various types of interference and noise, which can distort the main sideband and degrade the quality of the received information. Engineers must employ various techniques, such as filtering and error correction, to mitigate these effects and preserve the integrity of the main sideband.In conclusion, the concept of the main sideband is fundamental in the fields of telecommunications and signal processing. It represents the primary frequency component that carries essential information within a modulated signal. By understanding and managing the main sideband, professionals in these fields can enhance communication systems, ensuring clearer transmissions and better overall performance. As technology continues to evolve, the significance of the main sideband will remain a critical focus for advancements in communication methodologies.

在电信和信号处理领域，理解“主边带”这一概念对于有效沟通至关重要。术语“主边带”指的是当调制信号施加到载波波形上时生成的主要频率成分。这种现象发生在各种调制技术中，包括幅度调制（AM）和频率调制（FM）。通过掌握“主边带”的重要性，工程师和技术人员可以优化他们的系统，以获得更好的性能和可靠性。为了深入了解这个主题，我们首先必须理解边带是什么。当载波波形被调制时，它不仅仅传输原始信号，而是创造了额外的频率成分，这些成分称为边带。在AM的情况下，有两个边带：上边带（USB）和下边带（LSB）。然而，“主边带”通常指的是承载信息最大部分的边带，在许多应用中，这通常是上边带。“主边带”的重要性可以在各种实际应用中看到。例如，在广播电台中，“主边带”承载着听众所听到的音频信息。如果边带没有被正确传输或接收，音频质量可能会显著下降，导致糟糕的听觉体验。因此，确保“主边带”清晰且强大对于任何广播电台都是至关重要的。此外，在数字通信的背景下，“主边带”的概念同样发挥着重要作用。在现代数字调制方案中，例如正交幅度调制（QAM），“主边带”仍然代表传输信号中主要的信息承载部分。理解如何有效管理“主边带”可以提高数据传输速率并改善整体系统效率。另一个需要考虑的方面是噪声对“主边带”的影响。在现实场景中，信号经常受到各种干扰和噪声的影响，这可能会扭曲“主边带”并降低接收信息的质量。工程师必须采用各种技术，如滤波和错误校正，以减轻这些影响并保护“主边带”的完整性。总之，“主边带”的概念在电信和信号处理领域是基础性的。它代表了承载调制信号中基本信息的主要频率成分。通过理解和管理“主边带”，这些领域的专业人员可以增强通信系统，确保更清晰的传输和更好的整体性能。随着技术的不断发展，“主边带”的重要性将继续成为通信方法进步的关键焦点。