baseband signal
简明释义
基带信号
英英释义
A baseband signal is a signal that has not been modulated onto a carrier frequency and occupies the original frequency range of the information being transmitted. | 基带信号是指未调制到载波频率上的信号,且占据所传输信息的原始频率范围。 |
例句
1.In digital communication systems, a baseband signal 基带信号 is often used to transmit data over short distances.
在数字通信系统中,基带信号 baseband signal 通常用于在短距离内传输数据。
2.In Ethernet networks, the data is transmitted as a baseband signal 基带信号 over twisted pair cables.
在以太网网络中,数据作为基带信号 baseband signal通过双绞线电缆传输。
3.A baseband signal 基带信号 can be processed using digital signal processing techniques.
可以使用数字信号处理技术来处理基带信号 baseband signal。
4.The baseband signal 基带信号 is generated by modulating the original data onto a carrier wave.
通过将原始数据调制到载波上,可以生成基带信号 baseband signal。
5.To analyze the performance of the network, we need to measure the baseband signal 基带信号 quality.
为了分析网络性能,我们需要测量基带信号 baseband signal 的质量。
作文
In the world of telecommunications and signal processing, understanding the concept of a baseband signal is crucial for both engineers and enthusiasts alike. A baseband signal refers to a type of signal that has not been modulated onto a carrier frequency. It consists of a range of frequencies that are typically lower than the frequencies used in radio transmission. This characteristic makes baseband signals particularly important in digital communications, where the information being transmitted is often represented in binary form. To better understand baseband signals, we can consider their role in various applications. For instance, when we send data over a wired network, such as an Ethernet connection, the data is transmitted as a baseband signal. In this case, the signal carries digital information directly without the need for modulation. This direct transmission allows for high-speed data transfer and efficient use of bandwidth.Another common example of a baseband signal is found in audio and video technologies. When audio is recorded or played back, it is often in the form of a baseband signal. The original sound waves are captured and converted into electrical signals that represent the amplitude of the sound at various points in time. Similarly, video signals can also be baseband signals, where the image information is transmitted without modulation.The importance of baseband signals extends beyond just communication systems. In the realm of digital signal processing, these signals are often subjected to various techniques such as filtering, sampling, and quantization. These processes allow for the manipulation and enhancement of the original signal, making it suitable for different applications. For example, when we apply a filter to a baseband signal, we can remove unwanted noise or enhance certain frequencies to improve the quality of the transmission.Moreover, the concept of baseband signals is fundamental in understanding more complex modulation schemes. For instance, when a baseband signal is modulated onto a higher frequency carrier wave, it becomes a modulated signal suitable for transmission over longer distances. This transformation is essential for wireless communication, where the baseband signal must be adapted to travel through the airwaves efficiently.In summary, a baseband signal is a vital component of modern communication systems. Its ability to carry digital information directly without modulation makes it indispensable in various applications, from wired networks to audio and video technologies. By mastering the principles surrounding baseband signals, one can gain a deeper appreciation for the complexities of signal processing and telecommunications. As technology continues to evolve, the significance of baseband signals will undoubtedly remain a cornerstone of effective communication, paving the way for advancements in how we transmit and receive information in our increasingly interconnected world.
在电信和信号处理的世界中,理解“基带信号”的概念对于工程师和爱好者来说都是至关重要的。“基带信号”指的是一种未调制到载波频率上的信号。它由一系列频率组成,这些频率通常低于无线传输中使用的频率。这一特性使得“基带信号”在数字通信中尤为重要,因为传输的信息通常以二进制形式表示。为了更好地理解“基带信号”,我们可以考虑它在各种应用中的角色。例如,当我们通过有线网络发送数据时,比如以太网连接,数据作为“基带信号”进行传输。在这种情况下,信号直接携带数字信息,而无需调制。这种直接传输允许高速数据传输和带宽的高效利用。另一个常见的“基带信号”示例出现在音频和视频技术中。当音频被录制或播放时,它通常以“基带信号”的形式存在。原始声波被捕获并转换为代表声音在不同时间点振幅的电信号。类似地,视频信号也可以是“基带信号”,其中图像信息未经调制直接传输。“基带信号”的重要性不仅限于通信系统。在数字信号处理领域,这些信号通常会经过滤波、采样和量化等各种技术处理。这些过程允许对原始信号进行操作和增强,使其适合不同的应用。例如,当我们对“基带信号”应用滤波器时,我们可以去除不必要的噪声或增强某些频率,以提高传输质量。此外,“基带信号”的概念在理解更复杂的调制方案方面是基础。当“基带信号”调制到更高频率的载波波上时,它就变成了适合长距离传输的调制信号。这一转变对于无线通信至关重要,因为“基带信号”必须适应高效地穿越空中波。总之,“基带信号”是现代通信系统的一个重要组成部分。它能够直接携带数字信息而无需调制,使其在从有线网络到音频和视频技术等各种应用中不可或缺。通过掌握围绕“基带信号”的原则,人们可以更深入地欣赏信号处理和电信的复杂性。随着技术的不断发展,“基带信号”的重要性无疑将继续成为有效沟通的基石,为我们在日益互联的世界中传输和接收信息的进步铺平道路。
相关单词