attenuation distance

简明释义

衰减距离

英英释义

例句

1.To improve coverage, we need to reduce the attenuation distance of our signals.

为了改善覆盖范围，我们需要减少信号的衰减距离。

2.The attenuation distance for sound waves in water is much greater than in air.

水中声波的衰减距离比空气中大得多。

3.Engineers must consider the attenuation distance when designing wireless communication systems.

工程师在设计无线通信系统时必须考虑衰减距离。

4.The signal strength decreased significantly beyond the attenuation distance.

信号强度在超过衰减距离后显著下降。

5.In urban areas, the attenuation distance can be affected by buildings and other obstacles.

在城市地区，衰减距离可能受到建筑物和其他障碍物的影响。

作文

In the field of physics and engineering, the concept of attenuation distance plays a crucial role in understanding how waves, signals, or other forms of energy dissipate as they travel through different mediums. The attenuation distance refers to the distance over which the intensity of a signal decreases to a specific fraction of its original value due to various factors such as absorption, scattering, and reflection. This phenomenon is particularly important in telecommunications, acoustics, and environmental science, where it influences the effectiveness of communication systems and the clarity of sound propagation.To illustrate this concept, consider the example of a radio wave transmitted from a tower. As the wave travels through the atmosphere, it encounters various obstacles, including buildings, trees, and even atmospheric conditions like humidity and temperature changes. Each of these factors contributes to the attenuation of the signal, meaning that the strength of the radio wave diminishes over distance. The attenuation distance can be defined as the point at which the signal strength drops to a level that is no longer usable for effective communication.Understanding the attenuation distance is essential for engineers when designing communication systems. For instance, in cellular networks, engineers must calculate the attenuation distance to determine the optimal placement of cell towers to ensure consistent coverage and signal quality. If the towers are too far apart, users may experience dropped calls or poor data speeds due to signal loss. Conversely, if the towers are placed too closely together, it can lead to interference and reduced service quality.Moreover, the attenuation distance is not just limited to radio waves; it also applies to other types of waves, such as sound waves. In acoustics, the attenuation distance is critical for understanding how sound travels in various environments. For example, in an open field, sound can travel farther without significant loss of intensity compared to a crowded urban area filled with buildings that reflect and absorb sound. This understanding helps architects and urban planners design spaces that optimize sound quality and minimize noise pollution.Additionally, in environmental science, the concept of attenuation distance is vital when studying the dispersion of pollutants in air or water. Scientists measure how far a pollutant can travel before its concentration diminishes to a level that is no longer harmful to the environment. By understanding the attenuation distance, researchers can better assess the impact of industrial activities on surrounding ecosystems and develop strategies to mitigate pollution.In conclusion, the concept of attenuation distance is a fundamental aspect of various scientific disciplines, influencing everything from telecommunications to environmental studies. By comprehensively understanding this concept, we can improve the design and functionality of communication systems, enhance sound quality in architectural projects, and better manage environmental impacts. As technology continues to advance, the significance of attenuation distance will only grow, making it an essential topic for future research and application.

在物理和工程领域，衰减距离的概念在理解波、信号或其他形式的能量在不同介质中传播时如何衰减方面发挥着至关重要的作用。衰减距离是指由于吸收、散射和反射等各种因素，信号强度降低到其原始值的特定分数所需的距离。这种现象在电信、声学和环境科学中尤为重要，因为它影响通信系统的有效性和声音传播的清晰度。为了说明这一概念，可以考虑从塔台发出的无线电波的例子。当波通过大气传播时，它会遇到各种障碍，包括建筑物、树木，甚至湿度和温度变化等大气条件。这些因素每一个都对信号的衰减有所贡献，这意味着无线电波的强度随着距离的增加而减弱。衰减距离可以定义为信号强度下降到不再可用于有效通信的水平的点。理解衰减距离对于工程师在设计通信系统时至关重要。例如，在蜂窝网络中，工程师必须计算衰减距离以确定基站的最佳位置，以确保一致的覆盖和信号质量。如果基站之间距离过远，用户可能会因信号损失而经历掉话或数据速度慢的情况。相反，如果基站放置得太近，可能会导致干扰和服务质量下降。此外，衰减距离不仅限于无线电波；它也适用于其他类型的波，例如声波。在声学中，衰减距离对于理解声音在各种环境中的传播至关重要。例如，在开阔的田野中，声音可以在没有显著强度损失的情况下传播得更远，而与充满建筑物的拥挤城市区域相比，后者会反射和吸收声音。这种理解帮助建筑师和城市规划者设计出优化声音质量并最小化噪音污染的空间。此外，在环境科学中，衰减距离的概念在研究空气或水中污染物的扩散时至关重要。科学家们测量污染物在浓度降低到对环境不再有害的水平之前能够传播多远。通过理解衰减距离，研究人员可以更好地评估工业活动对周围生态系统的影响，并制定减轻污染的策略。总之，衰减距离的概念是各种科学学科的基本方面，影响从电信到环境研究的方方面面。通过全面理解这一概念，我们可以改善通信系统的设计和功能，提高建筑项目的声音质量，并更好地管理环境影响。随着技术的不断进步，衰减距离的重要性只会增加，使其成为未来研究和应用的一个重要主题。