signal level

简明释义

信号电平

英英释义

例句

1.The radio's signal level indicator showed that it was receiving weak signals.

收音机的信号级别指示器显示它接收到的信号很弱。

2.We need to monitor the signal level to ensure the network is stable.

我们需要监测信号级别以确保网络稳定。

3.Adjusting the signal level can help reduce interference in the transmission.

调整信号级别可以帮助减少传输中的干扰。

4.The technician adjusted the signal level to improve the reception quality.

技术员调整了信号级别以改善接收质量。

5.A low signal level can result in poor audio quality during a call.

低信号级别可能导致通话时音质差。

作文

In the realm of telecommunications and signal processing, the term signal level is of paramount importance. It refers to the strength or intensity of a signal at a given point in a transmission system. Understanding the signal level is crucial for ensuring that communication systems function effectively, as it directly impacts the quality of the transmission and the clarity of the received information.When we talk about signal level, we often relate it to various types of signals, such as radio waves, sound waves, or digital signals. For instance, in radio communications, the signal level can determine how well a receiver can pick up a broadcast. A higher signal level usually means a clearer and stronger signal, while a lower signal level may result in static or distortion, making it difficult to understand the transmitted message.Moreover, the signal level can be affected by numerous factors, including distance from the transmitter, obstacles in the signal path, and interference from other signals. For example, if you are listening to your favorite radio station in a car, the signal level may fluctuate as you drive through different areas, especially if there are tall buildings or mountains blocking the signal. This fluctuation can lead to interruptions in audio quality, which can be frustrating for listeners.In digital communications, the concept of signal level becomes even more critical. Data is transmitted in binary form, represented by two levels: high (1) and low (0). The signal level must be clearly distinguishable between these two states to ensure accurate data transmission. If the signal level is too low, it may be misinterpreted by the receiving device, leading to errors in data interpretation. Therefore, engineers work diligently to maintain optimal signal levels in their systems to minimize the risk of data corruption.Additionally, the measurement of signal level is typically expressed in decibels (dB), a logarithmic unit that quantifies the ratio of a particular signal to a reference level. This allows for a standardized way to compare signal levels across different systems and technologies. For example, a signal level of 0 dB indicates that the signal is equal to the reference level, while a negative value indicates a weaker signal, and a positive value indicates a stronger signal.Understanding signal levels also plays a vital role in network design and troubleshooting. Network engineers often need to assess signal levels to identify potential issues such as weak spots in coverage areas or excessive interference. By analyzing signal levels, they can make informed decisions about where to place repeaters, antennas, or other equipment to enhance overall network performance.In conclusion, the concept of signal level is fundamental to the fields of telecommunications and signal processing. It affects the quality of communication, influences data integrity, and guides engineers in designing efficient systems. By maintaining optimal signal levels, we can ensure reliable communication in our increasingly connected world, allowing us to enjoy clear conversations, uninterrupted broadcasts, and seamless data transfers.

在电信和信号处理领域，术语信号水平至关重要。它指的是在传输系统中某一点上信号的强度或强度。理解信号水平对于确保通信系统有效运作至关重要，因为它直接影响传输质量和接收信息的清晰度。当我们谈论信号水平时，通常与各种类型的信号相关，如无线电波、声波或数字信号。例如，在无线电通信中，信号水平可以决定接收器接收广播的效果。较高的信号水平通常意味着信号更清晰、更强，而较低的信号水平可能导致静电或失真，使得理解传输的信息变得困难。此外，信号水平可能受到多种因素的影响，包括距离发射器的远近、信号路径中的障碍物以及其他信号的干扰。例如，当你在车里收听自己喜欢的广播电台时，随着你穿越不同地区，信号水平可能会波动，特别是如果有高楼大厦或山脉阻挡信号。这种波动可能导致音质的中断，这对听众来说是令人沮丧的。在数字通信中，信号水平的概念变得更加关键。数据以二进制形式传输，由两个级别表示：高（1）和低（0）。信号水平必须在这两种状态之间清晰可辨，以确保数据的准确传输。如果信号水平过低，接收设备可能会误解，从而导致数据解释错误。因此，工程师们努力维持其系统的最佳信号水平，以尽量减少数据损坏的风险。此外，信号水平的测量通常以分贝（dB）表示，这是一种对数单位，量化特定信号与参考水平的比率。这为在不同系统和技术之间比较信号水平提供了一种标准化的方法。例如，信号水平为0 dB表示信号等于参考水平，而负值表示信号较弱，正值表示信号较强。理解信号水平在网络设计和故障排除中也起着至关重要的作用。网络工程师通常需要评估信号水平以识别潜在问题，例如覆盖区域的弱点或过度干扰。通过分析信号水平，他们可以就放置中继器、天线或其他设备的位置做出明智的决策，以增强整体网络性能。总之，信号水平的概念是电信和信号处理领域的基础。它影响通信质量，影响数据完整性，并指导工程师设计高效的系统。通过维持最佳的信号水平，我们可以确保在日益互联的世界中实现可靠的通信，让我们享受清晰的对话、不间断的广播和无缝的数据传输。