wave envelope

简明释义

波包络线

英英释义

A wave envelope refers to a smooth curve that outlines the extremes of a wave's amplitude, indicating the modulation of the wave over time.

波包是指一个平滑的曲线,勾勒出波动幅度的极值,表示波在时间上的调制。

例句

1.When analyzing ocean waves, researchers often look at the wave envelope 波包络 to predict wave heights.

在分析海洋波浪时,研究人员通常查看 wave envelope 波包络 以预测波高。

2.The wave envelope 波包络 can help visualize how sound waves change over time.

通过 wave envelope 波包络 可以帮助可视化声波随时间的变化。

3.The wave envelope 波包络 of the laser beam determines its intensity distribution.

激光束的 wave envelope 波包络 决定了其强度分布。

4.In music production, adjusting the wave envelope 波包络 can significantly affect the sound's character.

在音乐制作中,调整 wave envelope 波包络 会显著影响声音的特性。

5.In signal processing, the concept of a wave envelope 波包络 is crucial for understanding amplitude modulation.

在信号处理中,wave envelope 波包络 的概念对于理解幅度调制至关重要。

作文

In the study of waves, one important concept that often arises is the idea of the wave envelope. The wave envelope refers to a smooth curve that outlines the extremes of a set of waveforms, providing a visual representation of the amplitude modulation of the waves. Understanding this concept is crucial in various fields such as physics, engineering, and even music. To delve deeper into the significance of the wave envelope, we can consider its application in sound waves. When a musician plays a note on an instrument, the sound produced is not just a single frequency but a combination of multiple frequencies that create a rich tone. The wave envelope helps us understand how these frequencies interact over time. It illustrates how the amplitude of the sound changes, typically described in terms of four stages: attack, decay, sustain, and release (ADSR). During the attack phase, the sound quickly reaches its maximum amplitude. This is followed by a decay phase where the amplitude decreases to a stable level known as the sustain. Finally, when the note is released, the amplitude diminishes until it fades away. The wave envelope captures these dynamics, allowing musicians and sound engineers to manipulate the sound to achieve the desired effect. In addition to music, the concept of the wave envelope is also essential in telecommunications. When transmitting information via radio waves, for instance, the data can be encoded within the wave envelope of a carrier wave. This modulation allows for efficient transmission over long distances. Engineers utilize various techniques to manipulate the wave envelope, ensuring that the information remains intact and is received clearly at the destination. Moreover, the wave envelope is not limited to linear waves; it can also describe complex wave interactions. In nonlinear systems, waves can interact in ways that lead to phenomena like solitons, which are self-reinforcing solitary waves. The wave envelope in such cases helps to visualize how these solitons maintain their shape over time despite the effects of dispersion. Another fascinating aspect of the wave envelope is its role in optics. Light waves can also exhibit an envelope, especially when considering pulse lasers. The wave envelope in this context represents the overall shape of the light pulse, which can affect how the light interacts with materials and influences applications in laser cutting and medical procedures. In conclusion, the wave envelope is a fundamental concept that transcends various disciplines, from music to telecommunications and optics. By encapsulating the amplitude variations of waves, it provides valuable insights into the behavior and manipulation of different types of waves. Understanding the wave envelope equips individuals with the knowledge to innovate and improve technologies across numerous fields. As we continue to explore the complexities of waves, the wave envelope will undoubtedly remain a key element in our understanding of wave phenomena.

在波动研究中,一个重要的概念是“wave envelope”(波包)的概念。“wave envelope”指的是一个平滑的曲线,描绘了一组波形的极限,提供了波幅调制的可视化表示。理解这一概念在物理学、工程学甚至音乐等多个领域都是至关重要的。为了更深入地了解“wave envelope”的意义,我们可以考虑其在声波中的应用。当音乐家在乐器上演奏一个音符时,产生的声音不仅仅是一个单一频率,而是多个频率的组合,形成丰富的音色。“wave envelope”帮助我们理解这些频率如何随时间相互作用。它展示了声音的幅度是如何变化的,通常用四个阶段来描述:攻击、衰减、持续和释放(ADSR)。在攻击阶段,声音迅速达到最大幅度。接下来是衰减阶段,幅度降低到一个稳定的水平,称为持续。最后,当音符被释放时,幅度逐渐减小,直到消失。“wave envelope”捕捉了这些动态,使音乐家和音响工程师能够操控声音,以实现所需的效果。除了音乐,wave envelope的概念在电信中也至关重要。例如,在通过无线电波传输信息时,数据可以编码在载波波的“wave envelope”中。这种调制允许有效的长距离传输。工程师利用各种技术来操控“wave envelope”,确保信息保持完整,并在目的地清晰接收。此外,“wave envelope”不仅限于线性波;它也可以描述复杂的波相互作用。在非线性系统中,波可能以导致孤立子等现象的方式相互作用,这些孤立子是自我增强的孤立波。在这种情况下,“wave envelope”有助于可视化这些孤立子如何在时间上保持其形状,尽管受到色散的影响。“wave envelope”的另一个迷人方面是它在光学中的作用。光波也可以表现出一个包络,特别是在考虑脉冲激光时。在这个背景下,“wave envelope”代表光脉冲的整体形状,这可以影响光与材料的相互作用,并影响激光切割和医疗程序等应用。总之,“wave envelope”是一个基本概念,超越了多个学科,从音乐到电信和光学。通过概括波的幅度变化,它提供了对不同类型波的行为和操控的宝贵见解。理解“wave envelope”使个人具备了在众多领域创新和改善技术的知识。随着我们继续探索波的复杂性,“wave envelope”无疑将在我们对波现象的理解中保持关键元素。

相关单词

envelope

envelope详解:怎么读、什么意思、用法