baseband signal

简明释义

基带信号

英英释义

例句

1.In digital communication, the baseband signal 基带信号 is often used to represent binary data.

在数字通信中，基带信号通常用于表示二进制数据。

2.To analyze the baseband signal 基带信号, engineers use oscilloscopes.

工程师使用示波器来分析基带信号。

3.A baseband signal 基带信号 has a frequency range that starts at zero.

一个基带信号的频率范围从零开始。

4.The baseband signal 基带信号 can be transmitted over a medium without modulation.

可以在没有调制的情况下通过介质传输基带信号。

5.The baseband signal 基带信号 is the original signal before modulation.

在调制之前，基带信号是原始信号。

作文

In the realm of telecommunications and signal processing, the term baseband signal refers to a signal that occupies the original frequency range of a transmission medium. Unlike modulated signals, which are altered to fit within a higher frequency band for transmission, a baseband signal is typically transmitted without any modulation. This kind of signal is crucial in various applications, including data communication over local area networks (LANs) and in digital audio and video systems.The concept of baseband signal can be better understood by considering how data is transmitted over different types of media. For instance, in a wired network, data packets are sent as baseband signals through copper cables. These signals consist of voltage variations that represent binary data. The absence of modulation allows for simpler and more efficient transmission since the signal can directly correspond to the original data without the need for complex encoding schemes.One of the primary advantages of using baseband signals is that they allow for high data transfer rates over short distances. Because the signal does not have to be modulated, it can maintain its integrity and reduce the risk of interference. This makes baseband signals ideal for applications such as Ethernet networking, where devices are connected in close proximity. In these scenarios, the use of baseband signals ensures that data can be transmitted quickly and reliably.However, there are limitations to using baseband signals. One significant drawback is that they are typically confined to short distances. As the distance increases, the quality of the signal can degrade due to attenuation and noise. This is why baseband signals are often used in conjunction with repeaters or switches in network configurations to extend their range and maintain signal quality.Another important aspect of baseband signals is their role in digital communication systems. In these systems, baseband signals can represent various forms of data, including voice, video, and text. Digital modulation techniques can also be applied to baseband signals to enable more complex forms of communication, such as quadrature amplitude modulation (QAM) or phase-shift keying (PSK). These techniques allow multiple baseband signals to be transmitted simultaneously over the same channel, increasing the overall capacity of the communication system.In conclusion, understanding the significance of baseband signals is essential for anyone involved in telecommunications and data communication. These signals serve as the foundation for various technologies and applications, enabling efficient and reliable data transmission. While they have certain limitations, the advantages they offer make them a fundamental component of modern communication systems. As technology continues to evolve, the role of baseband signals will likely remain critical in shaping the future of data transmission and networking.

在电信和信号处理领域，术语基带信号指的是占据传输介质原始频率范围的信号。与调制信号不同，调制信号被改变以适应更高的频带进行传输，而基带信号通常在没有任何调制的情况下直接传输。这种信号在各种应用中至关重要，包括局域网（LAN）上的数据通信以及数字音频和视频系统。通过考虑数据如何通过不同类型的介质进行传输，可以更好地理解基带信号的概念。例如，在有线网络中，数据包作为基带信号通过铜缆发送。这些信号由表示二进制数据的电压变化组成。没有调制的信号允许更简单、更高效的传输，因为信号可以直接对应于原始数据，而无需复杂的编码方案。使用基带信号的主要优点之一是，它们允许在短距离内实现高数据传输速率。由于信号不必调制，因此可以保持其完整性并减少干扰的风险。这使得基带信号非常适合用于以太网网络等应用，其中设备在近距离内连接。在这些情况下，使用基带信号确保数据能够快速可靠地传输。然而，使用基带信号也存在一些限制。其中一个显著的缺点是它们通常限于短距离。随着距离的增加，由于衰减和噪声，信号的质量可能会下降。这就是为什么在网络配置中，基带信号通常与中继器或交换机一起使用，以扩展其范围并保持信号质量。基带信号的另一个重要方面是它们在数字通信系统中的作用。在这些系统中，基带信号可以表示各种形式的数据，包括语音、视频和文本。还可以对基带信号应用数字调制技术，以实现更复杂的通信形式，例如正交振幅调制（QAM）或相位键移调制（PSK）。这些技术允许在同一信道上同时传输多个基带信号，从而提高通信系统的整体容量。总之，理解基带信号的重要性对于任何参与电信和数据通信的人来说都是必不可少的。这些信号作为各种技术和应用的基础，使高效可靠的数据传输成为可能。尽管它们有某些限制，但它们所提供的优势使其成为现代通信系统的基本组成部分。随着技术的不断发展，基带信号的作用在塑造数据传输和网络的未来中仍将至关重要。