transmitted side band
简明释义
发射边带
英英释义
例句
1.The modulation technique used affects the quality of the transmitted side band in the signal.
所使用的调制技术会影响信号中传输边带的质量。
2.The presence of noise can distort the transmitted side band, leading to poor reception.
噪声的存在可能会扭曲传输边带,导致接收效果差。
3.In digital communication, understanding the role of the transmitted side band is crucial for signal clarity.
在数字通信中,理解传输边带的作用对信号清晰度至关重要。
4.The radio technician adjusted the frequency to minimize interference from the transmitted side band.
无线电技术员调整频率,以最小化来自传输边带的干扰。
5.Engineers often analyze the transmitted side band to enhance the performance of communication systems.
工程师们经常分析传输边带以提高通信系统的性能。
作文
In the realm of communication technology, understanding various terminologies is crucial for grasping how information is conveyed. One such term that often arises in discussions about radio waves and signal transmission is transmitted side band. The concept of transmitted side band refers to the frequency components of a modulated signal that are situated on either side of the carrier frequency. To better understand this, we must delve into the basics of amplitude modulation (AM) and frequency modulation (FM), which are two fundamental methods of transmitting signals over radio frequencies.When a signal is modulated, it means that the original information, such as voice or data, is encoded onto a carrier wave. This carrier wave oscillates at a specific frequency, and the modulation alters its amplitude or frequency to convey the information. In AM, the amplitude of the carrier wave varies according to the input signal, while in FM, it is the frequency that changes. In both cases, the result is the creation of transmitted side bands.The transmitted side band consists of two primary components: the upper side band (USB) and the lower side band (LSB). The upper side band is the range of frequencies above the carrier frequency, while the lower side band includes the frequencies below it. Together, these side bands contain the necessary information to reconstruct the original signal when received by a radio or communication device.The significance of transmitted side bands lies in their role in efficient signal transmission. By utilizing side bands, broadcasters can transmit more information within the same bandwidth. For example, single sideband (SSB) modulation is a technique that uses only one of the side bands, effectively doubling the efficiency of the transmission. This is particularly advantageous in scenarios where bandwidth is limited, such as in amateur radio or maritime communications.Moreover, understanding transmitted side bands is essential for anyone involved in radio operations, whether as a hobbyist or a professional. Technicians and engineers need to be aware of how these side bands affect signal quality and clarity. If interference occurs within the side bands, it can lead to distortion or loss of information, impacting the overall effectiveness of communication.In conclusion, the term transmitted side band encapsulates a vital aspect of signal transmission in communication technology. It highlights the importance of both the upper and lower side bands in carrying information alongside the carrier frequency. As technology continues to evolve, the principles behind transmitted side bands remain foundational, ensuring that effective communication persists across various mediums. Understanding this concept not only enhances our knowledge of radio waves but also equips us with the tools to navigate the complex world of modern communication systems.
在通信技术领域,理解各种术语对于掌握信息传递的方式至关重要。其中一个常常在关于无线电波和信号传输的讨论中出现的术语是transmitted side band。transmitted side band的概念指的是调制信号的频率成分,这些成分位于载波频率的两侧。为了更好地理解这一点,我们必须深入了解幅度调制(AM)和频率调制(FM)的基本原理,这两种方法是通过无线电频率传输信号的基本方法。当信号被调制时,这意味着原始信息(例如声音或数据)被编码到载波波上。这个载波波以特定频率振荡,调制改变其幅度或频率以传达信息。在AM中,载波波的幅度根据输入信号变化,而在FM中,则是频率发生变化。在这两种情况下,结果都是产生transmitted side band。transmitted side band由两个主要成分组成:上边带(USB)和下边带(LSB)。上边带是指高于载波频率的频率范围,而下边带则包括低于载波频率的频率。这两个边带共同包含了重建原始信号所需的信息,当信号被无线电或通信设备接收时。transmitted side band的重要性在于它们在高效信号传输中的作用。通过利用边带,广播商可以在相同的带宽内传输更多的信息。例如,单边带(SSB)调制是一种仅使用其中一个边带的技术,有效地将传输效率提高了一倍。这在带宽有限的情况下尤其有利,例如业余无线电或海事通信。此外,理解transmitted side band对任何参与无线电操作的人来说都是必不可少的,无论是作为爱好者还是专业人士。技术人员和工程师需要意识到这些边带如何影响信号质量和清晰度。如果边带内发生干扰,可能会导致失真或信息丢失,从而影响通信的整体有效性。总之,术语transmitted side band概括了通信技术中信号传输的一个重要方面。它突出了上边带和下边带在携带信息方面的重要性,与载波频率一起。随着技术的不断发展,transmitted side band背后的原理仍然是基础,确保有效的通信在各种媒介中持续存在。理解这一概念不仅增强了我们对无线电波的认识,还为我们提供了在现代通信系统复杂世界中导航的工具。
相关单词