both side-band

简明释义

双边带

英英释义

例句

1.The technician explained how to adjust the receiver to pick up both side-band 双边带 frequencies effectively.

技术员解释了如何调整接收器以有效接收both side-band 双边带频率。

2.When using a both side-band 双边带 modulator, you can transmit more information in a single channel.

使用both side-band 双边带调制器时，可以在单个通道中传输更多信息。

3.In radio communication, it's important to filter out noise from the both side-band 双边带 signals to ensure clarity.

在无线电通信中，过滤掉来自both side-band 双边带信号的噪声以确保清晰度是很重要的。

4.For amateur radio operators, understanding both side-band 双边带 operation is crucial for effective communication.

对于业余无线电爱好者来说，理解both side-band 双边带操作对有效沟通至关重要。

5.The both side-band 双边带 signal was clearer than the single side-band signal during the test.

在测试中，both side-band 双边带信号比单边带信号更清晰。

作文

In the field of telecommunications and signal processing, the term both side-band refers to a method of modulation that utilizes both the upper and lower frequency bands of a carrier wave. This technique is essential for transmitting information efficiently over radio waves. The concept of both side-band is particularly important in single-sideband modulation (SSB), where only one of the sidebands is transmitted, and the carrier is suppressed. However, understanding both side-band modulation can provide insights into how signals can be processed and transmitted more effectively.The principle behind both side-band modulation lies in the way information is encoded onto a carrier wave. When an audio signal, for example, is modulated onto a carrier frequency, it creates two sidebands: the upper sideband (USB) and the lower sideband (LSB). The USB contains frequencies higher than the carrier frequency, while the LSB contains frequencies lower than the carrier frequency. By utilizing both side-band, we can ensure that the full spectrum of the audio signal is preserved, providing better sound quality and fidelity.One of the most significant advantages of using both side-band modulation is its ability to improve signal clarity over long distances. When transmitting information over vast areas, such as in broadcasting or point-to-point communication, maintaining the integrity of the signal is crucial. With both side-band, the receiver can capture the complete signal, reducing the chances of distortion and loss of information. This is particularly relevant in emergency communications, where clear and reliable transmission can be a matter of life and death.Moreover, both side-band modulation allows for more efficient use of bandwidth. In scenarios where multiple channels are transmitted simultaneously, such as in television broadcasting, using both side-band can help maximize the available spectrum. This efficiency is vital in ensuring that various services can coexist without interference, thus enhancing the overall quality of communication.While both side-band modulation has many benefits, it is essential to consider its limitations as well. One downside is that transmitting both side-band requires more power compared to single-sideband transmission. This increased power demand can be a disadvantage in situations where energy conservation is critical, such as in battery-operated devices. Additionally, the complexity of both side-band systems can lead to higher costs and require more sophisticated equipment for both transmission and reception.In conclusion, understanding the concept of both side-band modulation is crucial for anyone involved in the field of telecommunications. It plays a significant role in enhancing signal quality, improving bandwidth efficiency, and ensuring reliable communication over long distances. Despite its drawbacks, the advantages of both side-band modulation make it a valuable technique in modern communication systems. As technology continues to evolve, the relevance of both side-band will likely remain significant, shaping the future of how we transmit and receive information across various platforms.

在电信和信号处理领域，术语both side-band指的是一种调制方法，该方法利用载波波的上下频带。这种技术对于通过无线电波有效传输信息至关重要。both side-band的概念在单边带调制（SSB）中尤为重要，在这种情况下，仅传输一个边带，载波被抑制。然而，理解both side-band调制可以提供有关如何更有效地处理和传输信号的见解。both side-band调制背后的原理在于信息如何编码到载波波上。当一个音频信号例如被调制到载波频率上时，它会产生两个边带：上边带（USB）和下边带（LSB）。USB包含高于载波频率的频率，而LSB包含低于载波频率的频率。通过利用both side-band，我们可以确保音频信号的完整频谱得以保留，从而提供更好的音质和保真度。使用both side-band调制的一个重要优点是它能够提高远距离信号的清晰度。在广泛区域内传输信息时，例如在广播或点对点通信中，保持信号的完整性至关重要。通过both side-band，接收器可以捕获完整的信号，减少失真和信息丢失的可能性。这在紧急通信中尤其相关，因为清晰可靠的传输可能是生死攸关的问题。此外，both side-band调制还允许更有效地利用带宽。在同时传输多个频道的场景中，例如在电视广播中，使用both side-band可以帮助最大化可用频谱。这种效率对于确保各种服务能够共存而不干扰至关重要，从而提升整体通信质量。虽然both side-band调制有许多好处，但也必须考虑其局限性。一个缺点是，与单边带传输相比，传输both side-band需要更多的功率。这种增加的功率需求在能量节约至关重要的情况下，例如在电池供电的设备中，可能成为一个缺点。此外，both side-band系统的复杂性可能导致更高的成本，并且需要更复杂的设备用于传输和接收。总之，理解both side-band调制的概念对于任何参与电信领域的人来说都是至关重要的。它在增强信号质量、改善带宽效率和确保长距离可靠通信方面发挥着重要作用。尽管存在一些缺点，但both side-band调制的优点使其在现代通信系统中成为一种有价值的技术。随着技术的不断发展，both side-band的重要性可能仍将显著，塑造我们如何在各种平台上传输和接收信息的未来。