amplitude of fading

简明释义

振幅衰落

英英释义

例句

1.The research focused on the amplitude of fading in urban areas compared to rural settings.

该研究集中于城市地区与乡村环境中衰落幅度的比较。

2.In our study, we found that the amplitude of fading increases with distance from the transmitter.

在我们的研究中，我们发现衰落幅度随着距离发射器的增加而增加。

3.To improve reception, we need to analyze the amplitude of fading in different environments.

为了改善接收效果，我们需要分析不同环境下的衰落幅度。

4.The amplitude of fading can significantly affect the performance of mobile communication systems.

衰落幅度可以显著影响移动通信系统的性能。

5.The engineer measured the amplitude of fading to determine the signal quality in the wireless network.

工程师测量了衰落幅度以确定无线网络中的信号质量。

作文

In the realm of telecommunications and signal processing, the term amplitude of fading refers to the variation in strength of a received signal over time due to various factors such as distance, obstacles, and atmospheric conditions. Understanding this concept is crucial for engineers and researchers who are striving to improve the reliability of wireless communication systems. When we talk about the amplitude of fading (衰落幅度), we are essentially discussing how much the signal's power fluctuates as it travels through different environments. Consider a scenario where a mobile phone user is moving through an urban area filled with tall buildings. As the user moves, the signal from the cell tower may encounter multiple reflections and diffractions caused by these structures. This leads to variations in the signal strength, which can be quantified by the amplitude of fading. A higher amplitude indicates more significant fluctuations, which could result in dropped calls or poor data connectivity.The amplitude of fading (衰落幅度) is influenced by several factors, including the frequency of the signal, the surrounding environment, and the mobility of the receiver. For instance, lower frequency signals tend to experience less fading compared to higher frequency signals because they can diffract around obstacles more effectively. Additionally, environments with many reflective surfaces, like urban areas, typically exhibit greater fading than open areas.To mitigate the effects of the amplitude of fading, engineers employ various techniques such as diversity schemes, equalization, and adaptive modulation. Diversity schemes involve using multiple antennas to receive the same signal, thus increasing the chances of capturing a strong version of the signal despite the fading. Equalization techniques help to counteract the distortions caused by fading, while adaptive modulation allows the system to change its transmission parameters based on the current channel conditions.Understanding the amplitude of fading (衰落幅度) is not only important for improving communication systems but also has implications for other fields such as radar and satellite communications. In radar systems, for example, the ability to accurately assess the fading characteristics of a signal can enhance target detection and tracking capabilities. Similarly, in satellite communications, understanding how signals fade during transmission through the atmosphere can lead to better design and operational strategies.In conclusion, the amplitude of fading is a critical parameter in the field of telecommunications that affects the performance and reliability of wireless communication systems. By studying and addressing the challenges posed by fading, engineers can develop more robust systems that provide better service to users. As technology continues to evolve, the importance of understanding the amplitude of fading (衰落幅度) will only increase, making it a vital area of study for future advancements in communication technologies.

在电信和信号处理领域，术语amplitude of fading指的是由于距离、障碍物和大气条件等各种因素导致接收信号强度随时间变化的情况。理解这个概念对于努力提高无线通信系统可靠性的工程师和研究人员至关重要。当我们谈论amplitude of fading（衰落幅度）时，我们实际上是在讨论信号在不同环境中传播时功率的波动程度。考虑一个场景，移动电话用户在充满高楼大厦的城市区域移动。随着用户的移动，来自基站的信号可能会遇到多次反射和衍射，这些都是由这些建筑物造成的。这导致信号强度的变化，可以通过amplitude of fading来量化。更高的幅度表示更显著的波动，这可能导致通话中断或数据连接不良。amplitude of fading（衰落幅度）受多个因素的影响，包括信号的频率、周围环境和接收者的移动性。例如，低频信号相比于高频信号通常经历较少的衰落，因为它们可以更有效地绕过障碍物。此外，具有许多反射表面的环境，如城市区域，通常表现出更大的衰落，而开放区域则较少。为了减轻amplitude of fading的影响，工程师采用多种技术，如多样性方案、均衡和自适应调制。多样性方案涉及使用多个天线接收同一信号，从而增加捕获强信号版本的机会，尽管存在衰落。均衡技术有助于抵消衰落造成的失真，而自适应调制允许系统根据当前的信道条件改变其传输参数。理解amplitude of fading（衰落幅度）不仅对改善通信系统重要，还对雷达和卫星通信等其他领域有影响。例如，在雷达系统中，准确评估信号的衰落特性可以增强目标检测和跟踪能力。同样，在卫星通信中，理解信号在大气中传播时如何衰落可以导致更好的设计和操作策略。总之，amplitude of fading是电信领域的一个关键参数，影响无线通信系统的性能和可靠性。通过研究和解决衰落带来的挑战，工程师可以开发出更强大的系统，为用户提供更好的服务。随着技术的不断发展，理解amplitude of fading（衰落幅度）的重要性只会增加，使其成为未来通信技术进步的重要研究领域。