parabolic mirror

简明释义

抛物柱面镜

英英释义

例句

1.The satellite dish is designed with a parabolic mirror to enhance signal reception.

这个卫星天线采用了抛物面镜的设计，以增强信号接收。

2.In solar cookers, a parabolic mirror can concentrate sunlight to generate heat for cooking.

在太阳能炊具中，抛物面镜可以集中阳光产生烹饪所需的热量。

3.The lighting system in the theater utilizes a parabolic mirror to direct light precisely onto the stage.

剧院的照明系统利用抛物面镜将光线精确地照射到舞台上。

4.A parabolic mirror is essential in laser applications to ensure the beam remains focused.

在激光应用中，抛物面镜是确保光束保持聚焦的关键。

5.The telescope uses a parabolic mirror to focus light from distant stars.

这台望远镜使用抛物面镜来聚焦来自遥远星星的光线。

作文

The concept of a parabolic mirror is fascinating and fundamentally important in various fields, including astronomy, telecommunications, and even cooking. A parabolic mirror is a reflective surface shaped like a parabola, which allows it to focus parallel rays of light or other forms of energy to a single point known as the focal point. This unique property makes it an essential component in many optical devices. For instance, telescopes often utilize parabolic mirrors to gather light from distant stars and galaxies, allowing astronomers to observe celestial phenomena with greater clarity.In the realm of telecommunications, parabolic mirrors are employed in satellite dishes. These dishes are designed to capture signals from satellites orbiting the Earth. The parabolic mirror shape ensures that incoming signals, which are typically parallel due to the great distance they travel, are focused onto a receiver located at the focal point of the dish. This design maximizes signal strength and quality, making it possible for us to enjoy clear television broadcasts and internet connectivity.Moreover, parabolic mirrors have practical applications in solar energy collection. Solar cookers often use parabolic mirrors to concentrate sunlight onto a small area, generating high temperatures sufficient for cooking food. This method is not only efficient but also environmentally friendly, harnessing renewable energy from the sun. In regions with abundant sunlight, solar cookers equipped with parabolic mirrors can significantly reduce reliance on fossil fuels, promoting sustainable living practices.The mathematical principles behind parabolic mirrors are equally intriguing. The shape of a parabola can be described using a quadratic equation, and this geometric property is what enables the mirror to reflect light so effectively. When light rays strike the surface of a parabolic mirror, they reflect off at angles that direct them toward the focal point. This principle can be demonstrated with simple experiments, such as using a flashlight and a parabolic mirror to see how light can be concentrated into a beam.In addition to their scientific and practical uses, parabolic mirrors also inspire art and design. Artists and architects have incorporated the parabolic shape into their works, creating stunning visual effects and innovative structures. The aesthetic appeal of parabolic mirrors lies in their smooth curves and the way they interact with light, producing captivating reflections and shadows.In conclusion, the parabolic mirror is a remarkable invention that bridges science, technology, and art. Its ability to focus energy and light has made it invaluable in various applications, from enhancing our understanding of the universe to improving our daily lives through better communication and sustainable practices. As we continue to explore and innovate, the parabolic mirror will undoubtedly remain a crucial tool in our quest for knowledge and efficiency.

抛物面镜的概念令人着迷，并在天文学、通信甚至烹饪等多个领域具有基本重要性。抛物面镜是一种形状像抛物线的反射表面，它能够将平行的光线或其他形式的能量聚焦到一个称为焦点的单一点。这一独特的性质使其成为许多光学设备中的重要组成部分。例如，望远镜通常利用抛物面镜来收集来自遥远星星和星系的光，从而使天文学家能够更清晰地观察天体现象。在通信领域，抛物面镜被用于卫星天线。这些天线设计用来捕捉从绕地球轨道运行的卫星发出的信号。抛物面镜的形状确保了由于信号传播距离遥远而通常是平行的传入信号被聚焦到位于天线焦点的接收器上。这种设计最大化了信号强度和质量，使我们能够享受清晰的电视广播和互联网连接。此外，抛物面镜在太阳能收集方面也有实用应用。太阳灶通常使用抛物面镜将阳光集中到一个小区域，产生足够高的温度来烹饪食物。这种方法不仅高效，而且环保，利用来自太阳的可再生能源。在阳光充足的地区，配备抛物面镜的太阳灶可以显著减少对化石燃料的依赖，促进可持续生活方式。关于抛物面镜的数学原理同样引人入胜。抛物线的形状可以用二次方程描述，而这一几何特性使得镜子能够如此有效地反射光线。当光线撞击抛物面镜的表面时，它们以角度反射，指向焦点。这个原理可以通过简单的实验演示，例如使用手电筒和抛物面镜来观察光如何被聚焦成束。除了科学和实用用途，抛物面镜还激发了艺术和设计。艺术家和建筑师将抛物线形状融入他们的作品中，创造出惊人的视觉效果和创新的结构。抛物面镜的美学吸引力在于其光滑的曲线以及它们与光的互动，产生迷人的反射和阴影。总之，抛物面镜是一项了不起的发明，连接了科学、技术和艺术。它聚焦能量和光的能力使其在多个应用中变得不可或缺，从增强我们对宇宙的理解到通过更好的通信和可持续实践改善我们的日常生活。随着我们继续探索和创新，抛物面镜无疑将继续作为我们追求知识和效率的重要工具。