fresnel region

简明释义

菲涅耳区

英英释义

例句

1.When placing obstacles near a transmission line, consider how they might intersect the fresnel region 弗涅尔区.

在传输线附近放置障碍物时，请考虑它们可能如何与 弗涅尔区 相交。

2.The concept of the fresnel region 弗涅尔区 is essential in designing effective radar systems.

在设计有效的雷达系统时，弗涅尔区 的概念是必不可少的。

3.Understanding the dimensions of the fresnel region 弗涅尔区 helps in optimizing the layout of microwave links.

了解 弗涅尔区 的尺寸有助于优化微波链路的布局。

4.The fresnel region 弗涅尔区 can significantly affect signal propagation in wireless communication.

在无线通信中，弗涅尔区 可以显著影响信号传播。

5.In antenna design, the size of the fresnel region 弗涅尔区 is crucial for determining the effective range.

在天线设计中，弗涅尔区 的大小对确定有效范围至关重要。

作文

The concept of the fresnel region is crucial in the field of wave propagation and electromagnetic theory. It refers to the area around a source of waves where the wavefronts are not yet fully formed into their final shape. This region is significant because it helps us understand how waves behave as they travel through space, particularly when they encounter obstacles or reflect off surfaces. In practical applications, the fresnel region plays an important role in various technologies such as antennas, radar systems, and optical devices.To illustrate the importance of the fresnel region, consider the example of sound waves traveling from a speaker to an audience. When the speaker emits sound, the waves begin to spread out in all directions. Initially, these waves are still forming, and the area where they are in this transitional phase is the fresnel region. As the sound waves propagate further away from the speaker, they eventually reach the listener with a more uniform intensity, but within the fresnel region, the intensity can vary significantly due to interference and diffraction effects.In optics, the fresnel region is also vital for understanding how light behaves when it passes through lenses or around edges. For instance, when light hits the edge of an object, the fresnel region describes the area where the light waves bend and create patterns of shadows and brightness. This phenomenon is essential in designing optical instruments, as it affects how images are formed and the clarity of those images.Moreover, in the context of antenna design, the fresnel region is critical for ensuring effective signal transmission and reception. Engineers must take this region into account when positioning antennas to minimize signal loss and maximize coverage. The dimensions of the fresnel region depend on the frequency of the waves being transmitted; higher frequencies have smaller fresnel regions, while lower frequencies result in larger regions. This relationship is key in determining the optimal placement of antennas in communication networks.In summary, the fresnel region is a fundamental concept that underlies much of our understanding of wave behavior in various fields. Whether it is sound waves, light waves, or radio waves, the fresnel region provides insight into how waves interact with their environment and each other. By studying this region, scientists and engineers can develop more efficient technologies and improve existing systems. Understanding the fresnel region not only enhances our comprehension of physics but also enables advancements in practical applications that impact our daily lives.

“fresnel region”的概念在波传播和电磁理论领域至关重要。它指的是波源周围的区域，在这个区域内，波前尚未完全形成其最终形状。这个区域之所以重要，是因为它帮助我们理解波在穿越空间时的行为，特别是在遇到障碍物或从表面反射时。在实际应用中，“fresnel region”在天线、雷达系统和光学设备等各种技术中发挥着重要作用。为了说明“fresnel region”的重要性，可以考虑一个例子，即声音波从扬声器传播到观众。当扬声器发出声音时，波开始向各个方向扩散。最初，这些波仍在形成中，而它们处于这种过渡阶段的区域就是“fresnel region”。随着声波进一步传播到听众那里，它们最终以更均匀的强度到达，但在“fresnel region”内，由于干涉和衍射效应，强度可能会显著变化。在光学中，“fresnel region”对于理解光通过透镜或绕过边缘时的行为也至关重要。例如，当光线击中物体的边缘时，“fresnel region”描述了光波弯曲并产生阴影和亮度模式的区域。这种现象在设计光学仪器时是必不可少的，因为它影响图像的形成及其清晰度。此外，在天线设计的背景下，“fresnel region”对于确保有效的信号传输和接收至关重要。工程师在定位天线时必须考虑这一区域，以最小化信号损失并最大化覆盖范围。“fresnel region”的尺寸取决于所传输波的频率；较高的频率具有较小的“fresnel region”，而较低的频率则导致较大的区域。这种关系对于确定通信网络中天线的最佳放置至关重要。总之，“fresnel region”是一个基本概念，支撑着我们对波在各个领域行为的理解。无论是声音波、光波还是无线电波，“fresnel region”都提供了关于波如何与环境及彼此相互作用的洞察。通过研究这一区域，科学家和工程师可以开发更高效的技术并改进现有系统。理解“fresnel region”不仅增强了我们对物理学的理解，还使我们能够在影响日常生活的实际应用中取得进展。