attenuation

简明释义

英[əˌtenjuˈeɪʃn]美[əˌtenjuˈeɪʃn]

n. [物] 衰减；变薄；稀释

英英释义

单词用法

同义词

反义词

例句

1.Expresss the factors resulting in the attenuation of acoustic waves.

请陈述导致超音波衰减的各项因素。

2.Two kinds of program control signal attenuation circuits, which are used in circuit design, are introduced.

本文介绍线路设计中所应用的两种程控信号衰减电路。

3.Wave attenuation properties of rectangular pontoon breakwater were analyzed with eigen - function expansion.

利用特征函数法对矩形浮箱式防浪堤的消浪性能进行分析。

4.Signal attenuation in the power line environment is often great, and unpredictable.

信号衰减在输电线环境经常是伟大和变化莫测的。

5.A new method of precise measurement of optical fiber attenuation.

一种新的精确测试光纤衰减方法的探讨。

6.For a certain degree of attenuation nature demands a certain minimum time.

为了达到某种程度的压制，自然要求某个最小时间。

7.The panels are lightweight and environmentally sound (they are totally recyclable) and provide some noise attenuation.

这些板材具有轻质、环境友好(可完全重复利用)和隔声吸音的性能特点。

8.The engineer explained that the signal's attenuation was due to the distance from the transmitter.

工程师解释说，信号的衰减是由于距离发射器太远。

9.In telecommunications, attenuation can lead to a loss of data quality.

在电信中，衰减可能会导致数据质量下降。

10.The scientist measured the attenuation of light as it passed through different materials.

科学家测量了光通过不同材料时的衰减。

11.They found that the attenuation of sound in the room was higher than expected.

他们发现房间内的衰减声比预期的要高。

12.The attenuation of the radio waves affected the clarity of the broadcast.

无线电波的衰减影响了广播的清晰度。

作文

In the realm of science and engineering, the concept of attenuation refers to the reduction in the strength or intensity of a signal, wave, or beam as it travels through a medium. This phenomenon is crucial in various fields, including telecommunications, acoustics, and even medicine. Understanding attenuation can help us grasp how different materials interact with waves and signals, which is essential for designing effective communication systems and medical imaging technologies. For instance, in telecommunications, when a signal is transmitted over long distances, it tends to lose strength due to attenuation. This loss can be caused by several factors, such as distance, interference from other signals, and the properties of the medium through which the signal is traveling. Engineers must account for attenuation when designing networks to ensure that the signal remains strong enough to be clearly received at its destination. Similarly, in the field of acoustics, attenuation plays a significant role in how sound travels. When sound waves move through air, they gradually lose energy due to absorption and scattering. This attenuation can affect how we perceive sounds in different environments. For example, a concert hall is designed to minimize attenuation so that the music can be heard clearly, while an outdoor environment may lead to greater attenuation, making it difficult to hear distant sounds. In medicine, attenuation is also an important concept, particularly in imaging techniques like X-rays and ultrasound. In these cases, attenuation refers to the reduction of the intensity of the imaging signal as it passes through different tissues in the body. Different tissues have varying levels of attenuation, which allows medical professionals to differentiate between healthy and unhealthy areas. For instance, bones exhibit high attenuation, appearing white on X-ray images, whereas soft tissues show lower attenuation, resulting in darker images. Understanding attenuation is not only important for professionals in these fields but also for anyone interested in how the world works. It illustrates the fundamental principle that nothing exists in isolation; rather, everything interacts with its environment in complex ways. By studying attenuation, we gain insight into the limitations and capabilities of various technologies, enabling us to innovate and improve upon existing systems. Moreover, the concept of attenuation can be applied metaphorically to other aspects of life. For example, just as signals and waves can experience attenuation, our ideas and messages can also lose their impact over time or distance. Effective communication requires us to be aware of potential attenuation factors, such as misunderstandings or lack of clarity. By recognizing these challenges, we can work to strengthen our messages and ensure they resonate with our audience. In conclusion, attenuation is a multifaceted concept that has significant implications across various disciplines. From enhancing our understanding of communication systems to improving medical imaging techniques, the study of attenuation reveals the intricate relationships between signals, waves, and their environments. Furthermore, it encourages us to reflect on how we communicate and connect with others, reminding us that clarity and strength are vital in conveying our thoughts and ideas effectively.

在科学和工程领域，attenuation一词指的是信号、波或光束在通过介质传播时强度或强度的降低。这种现象在电信、声学甚至医学等多个领域至关重要。理解attenuation可以帮助我们掌握不同材料如何与波和信号相互作用，这对于设计有效的通信系统和医学成像技术至关重要。 例如，在电信中，当信号在长距离上传输时，由于attenuation，信号往往会失去强度。这种损失可能由多种因素引起，例如距离、其他信号的干扰以及信号传播介质的特性。工程师必须在设计网络时考虑attenuation，以确保信号保持足够强，以便在目的地清晰接收。 同样，在声学领域，attenuation在声音传播中也起着重要作用。当声波通过空气传播时，由于吸收和散射，它们逐渐失去能量。这种attenuation会影响我们在不同环境中感知声音的方式。例如，音乐厅的设计旨在最小化attenuation，以便音乐能够清晰地被听到，而户外环境可能导致更大的attenuation，使得听到远处的声音变得困难。 在医学中，attenuation也是一个重要概念，特别是在X射线和超声等成像技术中。在这些情况下，attenuation指的是成像信号在经过身体不同组织时强度的降低。不同的组织具有不同程度的attenuation，这使得医疗专业人员能够区分健康和不健康的区域。例如，骨骼表现出高attenuation，在X射线图像上呈现为白色，而软组织则显示较低的attenuation，导致图像变暗。 理解attenuation不仅对这些领域的专业人士重要，也对任何对世界运作感兴趣的人来说都至关重要。它说明了一个基本原则：没有什么是孤立存在的；相反，一切都与其环境以复杂的方式相互作用。通过研究attenuation，我们获得了对各种技术局限性和能力的深入了解，使我们能够创新并改进现有系统。 此外，attenuation的概念也可以隐喻性地应用于生活的其他方面。例如，就像信号和波会经历attenuation一样，我们的想法和信息在时间或距离上也可能失去影响力。有效的沟通要求我们意识到潜在的attenuation因素，例如误解或缺乏清晰性。通过认识到这些挑战，我们可以努力增强我们的信息，并确保其与受众产生共鸣。 总之，attenuation是一个多方面的概念，对各个学科都有重要影响。从增强我们对通信系统的理解到改善医学成像技术，attenuation的研究揭示了信号、波及其环境之间的复杂关系。此外，它还鼓励我们反思如何与他人沟通和联系，提醒我们清晰和力量在有效传达思想和观点方面至关重要。