spherical wave

简明释义

球面波

英英释义

例句

1.The concept of a spherical wave (球面波) is essential in understanding wavefronts in physics.

理解物理中的波前概念时，spherical wave (球面波)是至关重要的。

2.An example of a spherical wave (球面波) is the light emitted from a small flashlight in a dark room.

一个spherical wave (球面波)的例子是在黑暗房间里小手电筒发出的光。

3.When a stone is thrown into a pond, it creates a spherical wave (球面波) that travels outward from the point of impact.

当一块石头被扔进池塘时，它会从撞击点向外传播形成一个spherical wave (球面波)。

4.Seismic waves generated by earthquakes often include spherical waves (球面波) spreading through the Earth.

由地震产生的地震波通常包括向地球内部传播的spherical waves (球面波)。

5.In acoustics, a spherical wave (球面波) can describe how sound propagates in three dimensions from a point source.

在声学中，spherical wave (球面波)可以描述声音如何从点源在三维空间中传播。

作文

In the realm of physics, particularly in the study of wave phenomena, the concept of a spherical wave (球面波) plays a crucial role. A spherical wave is defined as a wave that propagates outward from a point source in all directions, creating a pattern that resembles the surface of a sphere. This type of wave can be observed in various contexts, such as sound waves emanating from a speaker or light waves radiating from a bulb. Understanding the properties and behaviors of spherical waves is essential for comprehending more complex wave interactions and applications.One of the key characteristics of a spherical wave is its amplitude, which diminishes as the distance from the source increases. This phenomenon is known as the inverse square law, which states that the intensity of a wave decreases proportionally to the square of the distance from the source. For instance, if you were to stand further away from a loudspeaker, the sound would become quieter as the spherical wave travels through the air. This principle is not only applicable to sound but also to electromagnetic waves, such as light, where brightness diminishes with distance.Another important aspect of spherical waves is their phase relationship. When multiple spherical waves overlap, they can interfere with one another, leading to constructive or destructive interference. Constructive interference occurs when the peaks of two waves align, resulting in a wave of greater amplitude. Conversely, destructive interference happens when the peak of one wave aligns with the trough of another, leading to a reduction in amplitude. This behavior is critical in various applications, including noise-canceling headphones and the design of acoustic spaces.The mathematical representation of a spherical wave is often described using the wave equation, which relates the wave's displacement to time and space. In three-dimensional space, a spherical wave can be expressed as a function of radius and time, typically in the form of a sine or cosine function. This mathematical framework allows scientists and engineers to model and predict the behavior of waves in different media, whether it be air, water, or even solid materials.In practical applications, the understanding of spherical waves extends beyond theoretical physics. For example, in medical imaging techniques like ultrasound, spherical waves are utilized to create images of internal body structures. The ultrasound machine emits spherical waves, which bounce off tissues and return to the machine, allowing for the visualization of organs and detecting abnormalities.Furthermore, the principles of spherical waves are also evident in telecommunications. Antennas designed to emit spherical waves facilitate wireless communication by transmitting signals that spread out over large areas. By understanding how these waves propagate, engineers can optimize signal strength and coverage, enhancing the quality of communication devices.In conclusion, the study of spherical waves (球面波) is fundamental in both theoretical and applied physics. Their unique properties, such as amplitude decay and interference patterns, have significant implications across various fields, from acoustics to medical imaging and telecommunications. By mastering the concept of spherical waves, we gain valuable insights into the nature of wave propagation and its practical applications, ultimately enriching our understanding of the physical world around us.

在物理学领域，特别是在波动现象的研究中，spherical wave（球面波）这一概念起着至关重要的作用。spherical wave被定义为从点源向外传播的波，向所有方向扩展，形成类似于球体表面的图案。这种类型的波可以在各种情况下观察到，例如从扬声器发出的声波或从灯泡辐射的光波。理解spherical waves的特性和行为对于理解更复杂的波相互作用和应用至关重要。spherical wave的一个关键特征是其振幅，随着距离源的增加而减小。这种现象称为反平方定律，即波的强度与距离平方成反比。例如，如果你站得离扬声器更远，声音会随着spherical wave通过空气传播而变得更安静。这个原理不仅适用于声音，也适用于电磁波，如光，亮度随着距离的增加而减小。spherical waves的另一个重要方面是它们的相位关系。当多个spherical waves重叠时，它们可以相互干扰，导致增强或减弱干扰。增强干扰发生在两个波的峰值对齐时，导致更大的振幅波。相反，减弱干扰发生在一个波的峰值与另一个波的波谷对齐时，导致振幅减少。这种行为在各种应用中至关重要，包括降噪耳机和声学空间的设计。spherical wave的数学表示通常使用波动方程来描述，该方程将波的位移与时间和空间关联。在三维空间中，spherical wave可以表示为半径和时间的函数，通常以正弦或余弦函数的形式出现。这一数学框架使科学家和工程师能够建模和预测不同介质中波的行为，无论是空气、水还是固体材料。在实际应用中，对spherical waves的理解超出了理论物理的范围。例如，在医学成像技术如超声波中，spherical waves被用来创建内部结构的图像。超声波机器发出spherical waves，这些波反弹回组织并返回机器，从而实现对器官的可视化和异常检测。此外，spherical waves的原理在电信中也显而易见。设计用于发射spherical waves的天线通过传输信号来促进无线通信，这些信号在大区域内传播。通过理解这些波的传播方式，工程师可以优化信号强度和覆盖范围，提高通信设备的质量。总之，spherical waves（球面波）的研究在理论和应用物理中都是基础性的。它们独特的特性，如振幅衰减和干扰模式，对各个领域具有重要意义，从声学到医学成像和电信。通过掌握spherical waves的概念，我们获得了关于波传播性质及其实际应用的宝贵见解，最终丰富了我们对周围物理世界的理解。