radiant intensity
简明释义
辐射强度
英英释义
Radiant intensity is the power emitted by a light source in a particular direction per unit solid angle, typically measured in watts per steradian. | 辐射强度是光源在特定方向上每单位立体角发出的功率,通常以瓦特每斯特拉迪安为单位进行测量。 |
例句
1.In astronomy, the radiant intensity of stars can tell us about their temperature and distance.
在天文学中,恒星的辐射强度可以告诉我们它们的温度和距离。
2.The lamp emits a high level of radiant intensity, making the room very bright.
这盏灯发出高水平的辐射强度,使房间非常明亮。
3.The radiant intensity of the sun varies throughout the day, affecting solar energy production.
太阳的辐射强度在一天中有所变化,影响太阳能的生产。
4.When designing a new LED, engineers must consider the radiant intensity to ensure proper lighting.
在设计新的LED时,工程师必须考虑辐射强度以确保适当的照明。
5.To measure the radiant intensity of a laser, scientists use specialized photometers.
为了测量激光的辐射强度,科学家使用专业的光度计。
作文
In the realm of physics and engineering, the concept of radiant intensity plays a crucial role in understanding how light and energy are emitted from various sources. Radiant intensity is defined as the amount of radiant energy emitted by a source per unit solid angle in a given direction. It is an important parameter in fields such as optics, telecommunications, and even astronomy. Understanding radiant intensity allows scientists and engineers to design more efficient lighting systems, enhance communication signals, and study celestial bodies more effectively.To grasp the significance of radiant intensity, one must first consider its relationship with other related concepts such as luminous intensity and radiant flux. While luminous intensity measures the perceived power of light, radiant intensity quantifies the actual energy emitted in the form of electromagnetic radiation. This distinction is essential because it helps us understand how different wavelengths of light can affect our perception and the practical applications of these energies.For instance, in the field of lighting design, architects and engineers utilize radiant intensity to create spaces that are not only visually appealing but also energy-efficient. By analyzing the radiant intensity of various light sources, they can determine the optimal placement and type of fixtures needed to achieve the desired illumination levels. This careful consideration of radiant intensity leads to reduced energy consumption and enhanced sustainability in building designs.Moreover, in telecommunications, radiant intensity is vital for understanding how signals propagate through different mediums. The efficiency of antennas and transmitters can be evaluated based on their radiant intensity, which affects how far and how clearly signals can travel. A higher radiant intensity means that the signal can reach greater distances without significant loss, which is crucial for maintaining quality in communication systems.In astronomy, radiant intensity helps astronomers analyze the brightness of distant stars and galaxies. By measuring the radiant intensity of celestial objects, researchers can infer their distance from Earth and their intrinsic properties, such as temperature and size. This information is essential for understanding the universe's structure and evolution.In conclusion, radiant intensity is a fundamental concept that has wide-ranging applications across various scientific disciplines. Its importance cannot be overstated, as it provides insights into the behavior of light and energy in our world. From designing efficient lighting systems to enhancing communication technologies and exploring the cosmos, the implications of radiant intensity are profound. As we continue to advance in technology and science, a deeper understanding of this concept will undoubtedly lead to further innovations and discoveries that can benefit society as a whole.
在物理和工程领域,辐射强度的概念在理解光和能量如何从各种源头发射中起着至关重要的作用。辐射强度被定义为单位立体角中从源头发射的辐射能量的数量。这是光学、电信甚至天文学等领域的重要参数。理解辐射强度使科学家和工程师能够设计更高效的照明系统、增强通信信号以及更有效地研究天体。要理解辐射强度的重要性,首先必须考虑它与其他相关概念如光强和辐射通量之间的关系。虽然光强测量的是光的感知功率,但辐射强度量化的是以电磁辐射形式发出的实际能量。这一区别至关重要,因为它帮助我们理解不同波长的光如何影响我们的感知,以及这些能量的实际应用。例如,在照明设计领域,建筑师和工程师利用辐射强度创建不仅视觉上令人愉悦而且节能的空间。通过分析各种光源的辐射强度,他们可以确定所需的最佳灯具位置和类型,以实现所需的照明水平。这种对辐射强度的仔细考虑导致了能源消耗的减少和建筑设计的可持续性增强。此外,在电信领域,辐射强度对于理解信号如何在不同介质中传播至关重要。天线和发射器的效率可以根据其辐射强度进行评估,这影响信号传输的距离和清晰度。较高的辐射强度意味着信号可以在不显著损失的情况下达到更远的距离,这对于保持通信系统的质量至关重要。在天文学中,辐射强度帮助天文学家分析遥远恒星和星系的亮度。通过测量天体的辐射强度,研究人员可以推断其与地球的距离及其内在特性,如温度和大小。这些信息对于理解宇宙的结构和演化至关重要。总之,辐射强度是一个基本概念,在各个科学学科中具有广泛的应用。它的重要性不可低估,因为它提供了对我们世界中光和能量行为的深入见解。从设计高效的照明系统到增强通信技术,再到探索宇宙,辐射强度的影响深远。随着我们在技术和科学上的不断进步,对这一概念的更深入理解无疑将引领进一步的创新和发现,造福整个社会。
相关单词