principal plane

简明释义

纸面

英英释义

例句

1.In optics, the image formed by a lens is determined by its principal plane 主平面.

在光学中，透镜形成的图像由其主平面决定。

2.In structural analysis, identifying the principal plane 主平面 helps in predicting failure points.

在结构分析中，识别主平面有助于预测失效点。

3.The principal plane 主平面 of a mirror is essential for understanding how reflections occur.

镜子的主平面对于理解反射是至关重要的。

4.When analyzing the stress distribution in beams, engineers often refer to the principal plane 主平面.

在分析梁的应力分布时，工程师常常提到主平面。

5.The principal plane 主平面 of a camera lens affects the depth of field in photography.

相机镜头的主平面影响摄影中的景深。

作文

In the field of optics, the concept of the principal plane is crucial for understanding how lenses and mirrors function. The principal plane refers to an imaginary plane in an optical system where light rays converge or appear to diverge. This plane plays a significant role in determining the focal length and image formation of optical devices. When dealing with complex optical systems, such as cameras or telescopes, it is essential to identify the principal plane to accurately predict how light will behave as it passes through various components. To illustrate this further, consider a simple lens system. When parallel rays of light enter a convex lens, they are refracted and converge at a point known as the focal point. The principal plane, in this case, is positioned perpendicular to the optical axis, bisecting the distance between the two focal points of the lens. Understanding the location and significance of the principal plane allows engineers and scientists to design better optical instruments that can produce clearer images with minimal distortion.Moreover, the principal plane is not limited to just lenses; it is also applicable to mirrors. For instance, in a concave mirror, the principal plane is the plane that contains the center of curvature and the focal point. When light rays strike the surface of the mirror, they reflect off according to the laws of reflection, and the principal plane helps in predicting the path of these rays. By analyzing the interactions of light with the principal plane, one can derive important characteristics of the reflected image, such as size and orientation.In practical applications, the knowledge of the principal plane is indispensable in fields like photography and astronomy. Photographers utilize this concept to adjust their camera settings for optimal exposure and focus. Understanding the principal plane enables them to manipulate depth of field and achieve the desired artistic effects. Similarly, astronomers rely on this knowledge when designing telescopes to ensure that distant celestial objects are captured accurately.In conclusion, the principal plane is a fundamental concept in optics that aids in the understanding and application of various optical devices. Whether in the design of lenses, mirrors, or sophisticated imaging systems, recognizing the importance of the principal plane allows professionals in the field to enhance their work and achieve better results. As technology continues to advance, the principles surrounding the principal plane will remain relevant, guiding future innovations in optical science.

在光学领域，主平面的概念对于理解透镜和镜子的功能至关重要。主平面指的是光学系统中的一个假想平面，在该平面上光线会汇聚或看似发散。这个平面在确定光学设备的焦距和成像方面起着重要作用。在处理复杂的光学系统时，例如相机或望远镜，识别主平面对于准确预测光线穿过各个组件时的行为是必不可少的。进一步说明这一点，考虑一个简单的透镜系统。当平行光线进入一个凸透镜时，它们会被折射并汇聚到一个称为焦点的点。此情况下，主平面位于光轴垂直方向，平分透镜两个焦点之间的距离。了解主平面的位置和重要性使工程师和科学家能够设计出更好的光学仪器，从而产生更清晰的图像，并尽量减少失真。此外，主平面不仅限于透镜；它同样适用于镜子。例如，在一个凹面镜中，主平面是包含曲率中心和焦点的平面。当光线射向镜子的表面时，它们会根据反射定律反射，而主平面有助于预测这些光线的路径。通过分析光与主平面的相互作用，可以推导出反射图像的重要特征，如大小和方向。在实际应用中，了解主平面在摄影和天文学等领域是不可或缺的。摄影师利用这一概念来调整相机设置，以获得最佳曝光和对焦。了解主平面使他们能够操控景深，实现所需的艺术效果。同样，天文学家在设计望远镜时依赖于这一知识，以确保准确捕捉到遥远的天体。总之，主平面是光学中的一个基本概念，有助于理解和应用各种光学设备。无论是在透镜、镜子还是复杂成像系统的设计中，认识到主平面的重要性使该领域的专业人士能够提升他们的工作并取得更好的结果。随着技术的不断进步，围绕主平面的原理将继续保持相关性，引导光学科学未来的创新。