single-sideband modulation

简明释义

单边带调制

英英释义

例句

1.In amateur radio, single-sideband modulation 单边带调制 allows for clearer communication over long distances.

在业余无线电中，single-sideband modulation 单边带调制 允许在长距离内进行更清晰的通信。

2.Many modern transceivers support single-sideband modulation 单边带调制 for better audio quality.

许多现代收发器支持 single-sideband modulation 单边带调制 以获得更好的音频质量。

3.The radio operator explained that single-sideband modulation 单边带调制 is more efficient than amplitude modulation.

无线电操作员解释说，single-sideband modulation 单边带调制 比幅度调制更有效。

4.During the training session, we learned how to implement single-sideband modulation 单边带调制 in our radio systems.

在培训课程中，我们学习了如何在我们的无线电系统中实现 single-sideband modulation 单边带调制。

5.The military often uses single-sideband modulation 单边带调制 for secure and efficient communications.

军方经常使用 single-sideband modulation 单边带调制 进行安全高效的通信。

作文

In the world of telecommunications, various methods are employed to transmit information efficiently. One such method is single-sideband modulation, which has become a cornerstone in the field of radio communication. Understanding the principles and advantages of single-sideband modulation can provide valuable insights into its applications and significance in modern technology.Single-sideband modulation (SSB) is a refinement of amplitude modulation (AM) that allows for more efficient transmission of signals. In traditional AM, both the upper and lower sidebands are transmitted along with the carrier wave. However, this results in a significant amount of redundant information, as the two sidebands are essentially mirror images of each other. Single-sideband modulation addresses this inefficiency by eliminating one of the sidebands and the carrier signal, allowing the remaining sideband to carry the same information while requiring less bandwidth.The primary advantage of single-sideband modulation is its efficiency in spectrum usage. By reducing the bandwidth needed for transmission, SSB allows for more channels to occupy the same frequency range. This is particularly beneficial in crowded radio frequency environments, where multiple transmissions must coexist without interference. Moreover, the reduction in power required for transmission makes SSB an energy-efficient option, which is crucial for mobile and portable communication devices.Another key benefit of single-sideband modulation is its improved signal quality over long distances. Since only one sideband is transmitted, the signal is less susceptible to noise and interference, resulting in clearer audio quality. This characteristic makes SSB particularly popular among amateur radio operators and in maritime communication, where reliable transmission over vast distances is essential.The implementation of single-sideband modulation involves complex technical processes. At the core of SSB is the process of filtering, which removes the unwanted sideband and carrier wave. This requires specialized equipment known as SSB generators and filters, which can accurately produce and manipulate the desired signal. Additionally, SSB receivers must be equipped to demodulate the single sideband signal, reconstructing it for clear audio output. This technological complexity is one reason why SSB is often reserved for professional and amateur radio use, rather than casual broadcasting.In conclusion, single-sideband modulation represents a significant advancement in the field of telecommunications. Its ability to conserve bandwidth, improve signal quality, and enhance energy efficiency makes it an invaluable tool for modern communication systems. As technology continues to evolve, understanding methods like single-sideband modulation will be essential for anyone interested in the future of radio and telecommunications. The impact of SSB on both personal and professional communication cannot be overstated, and its relevance is likely to grow even further as demand for efficient communication solutions increases in our interconnected world.

在电信的世界中，各种方法被用来有效地传输信息。其中一种方法是单边带调制，它已成为无线通信领域的基石。理解单边带调制的原理和优势可以为我们提供对其应用和在现代技术中重要性的宝贵见解。单边带调制（SSB）是幅度调制（AM）的改进版，允许更高效地传输信号。在传统的AM中，上下边带和载波信号都被传输。然而，这会导致大量冗余信息，因为两个边带本质上是彼此的镜像。单边带调制通过消除一个边带和载波信号来解决这一低效问题，从而使剩余的边带能够携带相同的信息，同时需要更少的带宽。单边带调制的主要优势在于其频谱使用的效率。通过减少传输所需的带宽，SSB允许更多的频道占用相同的频率范围。这在拥挤的无线电频率环境中尤其有利，在这种环境中，多个传输必须共存而不干扰。此外，减少传输所需的功率使SSB成为一种节能的选择，这对于移动和便携式通信设备至关重要。单边带调制的另一个关键好处是其在长距离上的信号质量改善。由于只传输一个边带，信号对噪声和干扰的敏感性降低，从而产生更清晰的音频质量。这一特性使得SSB在业余无线电爱好者和海事通信中尤为受欢迎，因为在广阔距离上可靠的传输是必不可少的。单边带调制的实施涉及复杂的技术过程。SSB的核心是过滤过程，它去除不需要的边带和载波。这需要专门的设备，称为SSB发生器和滤波器，能够准确地生成和操作所需的信号。此外，SSB接收器必须配备解调单边带信号的能力，以便清晰地输出音频。这种技术复杂性是SSB通常保留给专业和业余无线电使用的原因之一，而不是随意广播。总之，单边带调制代表了电信领域的一项重大进步。它节省带宽、改善信号质量和提高能源效率的能力，使其成为现代通信系统中不可或缺的工具。随着技术的不断发展，理解像单边带调制这样的方式将对任何对无线电和电信未来感兴趣的人至关重要。SSB对个人和专业通信的影响不容小觑，随着我们相互联系的世界对高效通信解决方案的需求不断增加，其相关性可能会进一步增强。