both side band

简明释义

双边带

英英释义

Both side band refers to the frequency components of a modulated signal that are present on both sides of the carrier frequency in amplitude modulation (AM).

双边带是指在幅度调制(AM)中,调制信号的频率成分在载波频率的两侧同时存在。

例句

1.Using both side band is essential for long-distance communication in amateur radio.

在业余无线电中,使用双边带对长距离通信至关重要。

2.The technician explained how both side band signals are generated and transmitted.

技术员解释了如何生成和传输双边带信号。

3.In radio communications, the signal can be transmitted using a both side band technique to enhance clarity.

在无线电通信中,可以使用双边带技术来增强信号的清晰度。

4.For better reception, many operators prefer both side band over single sideband.

为了更好的接收,许多操作员更喜欢使用双边带而不是单边带。

5.The both side band modulation allows for more efficient use of bandwidth in broadcasting.

在广播中,双边带调制允许更有效地利用带宽。

作文

In the realm of telecommunications and signal processing, the concept of both side band plays a crucial role in the transmission of information. The term refers to a method of modulation where two sidebands are created around a carrier frequency. This technique is essential for various forms of communication, including radio broadcasting and data transmission. Understanding both side band is vital for engineers and technicians working in these fields, as it directly impacts the efficiency and clarity of the transmitted signals.To delve deeper into this concept, let’s break down the components involved. When a carrier wave is modulated with an information signal, it produces two sidebands: the upper sideband (USB) and the lower sideband (LSB). These sidebands contain the same information but are located at different frequencies relative to the carrier. The both side band approach utilizes both of these sidebands, thereby doubling the amount of information that can be transmitted within the same bandwidth. This is particularly advantageous in scenarios where bandwidth is limited, such as in mobile communications or satellite transmissions.One of the primary benefits of using both side band modulation is its ability to improve signal quality. By transmitting information on both sidebands, the system can mitigate the effects of noise and interference. In practical applications, this means that receivers can more accurately decode the transmitted signals, leading to clearer audio or data reception. For instance, in amateur radio, operators often rely on both side band techniques to communicate over long distances, as it allows for better signal integrity compared to single-sideband transmission.Moreover, both side band modulation is not only limited to voice communication. It also finds applications in digital data transmission. Technologies such as Amplitude Modulation (AM) and Frequency Modulation (FM) utilize both side band principles to encode data effectively. This versatility makes it a fundamental concept in modern communication systems, where high-quality data transfer is paramount.However, it’s important to note that while both side band offers numerous advantages, it also comes with its challenges. One significant issue is the increased complexity of the transmission and reception equipment. Devices must be capable of processing both sidebands simultaneously, which can lead to higher costs and more intricate designs. Additionally, there is a need for careful frequency management to avoid interference with adjacent channels, especially in crowded frequency bands.In conclusion, the concept of both side band is integral to the field of telecommunications. Its ability to enhance signal quality and increase information capacity makes it a preferred choice for various applications. As technology continues to evolve, understanding and utilizing both side band techniques will remain essential for professionals in the industry. Whether in radio broadcasting, satellite communications, or digital data transmission, the significance of both side band cannot be overstated. By mastering this concept, engineers and technicians can contribute to the advancement of communication technologies, ensuring that information flows efficiently and clearly across the globe.

在电信和信号处理的领域中,短语both side band的概念在信息传输中起着至关重要的作用。这个术语指的是一种调制方法,其中在载波频率周围创建了两个边带。这种技术对各种通信形式至关重要,包括广播和数据传输。理解both side band对于在这些领域工作的工程师和技术人员来说是必不可少的,因为它直接影响到传输信号的效率和清晰度。为了更深入地理解这一概念,让我们分解一下涉及的组成部分。当一个载波波形与信息信号调制时,它会产生两个边带:上边带(USB)和下边带(LSB)。这些边带包含相同的信息,但位于相对于载波的不同频率。both side band方法利用这两个边带,从而在相同的带宽内双倍增加可以传输的信息量。这在带宽有限的情况下尤其有利,例如在移动通信或卫星传输中。使用both side band调制的主要好处之一是其能够改善信号质量。通过在两个边带上发送信息,系统可以减轻噪声和干扰的影响。在实际应用中,这意味着接收器可以更准确地解码传输的信号,从而导致更清晰的音频或数据接收。例如,在业余无线电中,操作员通常依靠both side band技术进行远距离通信,因为与单边带传输相比,它允许更好的信号完整性。此外,both side band调制不仅限于语音通信。它还在数字数据传输中找到了应用。幅度调制(AM)和频率调制(FM)等技术利用both side band原则有效地编码数据。这种多功能性使其成为现代通信系统中的基本概念,在这些系统中,高质量的数据传输至关重要。然而,值得注意的是,尽管both side band提供了众多优势,但它也伴随着一些挑战。其中一个显著的问题是传输和接收设备的复杂性增加。设备必须能够同时处理两个边带,这可能导致更高的成本和更复杂的设计。此外,还需要仔细管理频率,以避免与相邻频道的干扰,特别是在拥挤的频段中。总之,both side band的概念在电信领域中是不可或缺的。它增强信号质量和增加信息容量的能力使其成为各种应用的首选。随着技术的不断发展,理解和利用both side band技术将仍然是行业专业人士的基础。不论是在广播、卫星通信还是数字数据传输中,both side band的重要性都不容小觑。通过掌握这一概念,工程师和技术人员可以为通信技术的进步做出贡献,确保信息在全球范围内高效、清晰地流动。

相关单词

both

both详解:怎么读、什么意思、用法