luminance temperature

简明释义

发光温度

英英释义

Luminance temperature refers to a measure of the brightness of a light source as perceived by the human eye, expressed in terms of the temperature of an ideal black body radiator that emits the same amount of light.

亮度温度是指光源的亮度在人的眼中感知的度量,以发出相同光量的理想黑体辐射体的温度表示。

例句

1.The concept of luminance temperature is crucial in understanding how different light sources affect mood.

理解不同光源如何影响情绪的关键在于亮度温度的概念。

2.The luminance temperature of daylight is typically around 5500K, which is ideal for natural lighting.

日光的亮度温度通常在5500K左右,这是自然光的理想值。

3.In photography, adjusting the luminance temperature can significantly enhance the colors in an image.

在摄影中,调整亮度温度可以显著增强图像中的颜色。

4.Different types of LED lights have varying luminance temperatures, affecting their suitability for certain tasks.

不同类型的LED灯具有不同的亮度温度,这会影响它们在某些任务中的适用性。

5.When designing a workspace, consider the luminance temperature to improve employee productivity.

在设计工作空间时,考虑亮度温度可以提高员工的生产力。

作文

In the realm of physics and optics, the concept of luminance temperature plays a crucial role in understanding how we perceive light and color. To grasp this term, it is essential to consider its components: 'luminance' refers to the intensity of light emitted from a surface per unit area in a given direction, while 'temperature' in this context relates to the color of the light being emitted. The luminance temperature is often measured in Kelvin (K) and is used to describe the color characteristics of light sources, particularly in relation to blackbody radiation.When we talk about luminance temperature, we are essentially discussing how warm or cool a light source appears to our eyes. For instance, a candle flame might have a luminance temperature of around 1,500 K, which gives off a warm, yellowish glow. In contrast, daylight at noon has a much higher luminance temperature, typically around 5,500 K to 6,500 K, resulting in a cooler, bluish light. This distinction is not merely aesthetic; it affects mood, productivity, and even biological processes such as circadian rhythms.Understanding luminance temperature is particularly important in fields such as photography, cinematography, and interior design. Photographers often adjust their camera settings based on the luminance temperature of the light to ensure accurate color reproduction. For example, if a photographer is shooting under incandescent light, which has a lower luminance temperature, they may need to apply a warming filter to maintain the natural appearance of their subject.Moreover, in interior design, the choice of lighting can dramatically influence the atmosphere of a space. Warm lights, with a lower luminance temperature, create a cozy and inviting environment, ideal for living rooms and bedrooms. On the other hand, cooler lights, with a higher luminance temperature, are often preferred in workspaces and kitchens, as they can enhance alertness and concentration.The implications of luminance temperature extend beyond aesthetics and functionality. Research has shown that different luminance temperatures can affect human psychology and well-being. For instance, exposure to cooler light during the day can help improve focus and energy levels, while warmer light in the evening can promote relaxation and prepare the body for sleep. This understanding has led to innovations in lighting technology, including smart bulbs that allow users to adjust the luminance temperature according to their needs throughout the day.In conclusion, the term luminance temperature encapsulates a vital aspect of how we interact with light. It influences not just the visual quality of our environments but also our emotional and psychological responses to them. As we continue to explore the science of light, the significance of luminance temperature will only become more pronounced, shaping our experiences in both everyday life and specialized fields. Understanding this concept allows us to make informed choices about lighting, enhancing our environments and improving our overall quality of life.

在物理学和光学领域,亮度温度的概念在理解我们如何感知光与颜色方面起着至关重要的作用。要掌握这个术语,有必要考虑它的组成部分:“亮度”指的是从表面以特定方向发出的单位面积的光强度,而“温度”在这个上下文中与发出的光的颜色特性有关。亮度温度通常以开尔文(K)为单位进行测量,用于描述光源的颜色特征,特别是与黑体辐射相关。当我们谈论亮度温度时,我们实际上是在讨论一个光源在我们眼中看起来是多么温暖或凉爽。例如,蜡烛火焰的亮度温度大约为1500 K,发出温暖的黄色光芒。相比之下,中午的日光具有更高的亮度温度,通常在5500 K到6500 K之间,产生较冷的蓝色光。这种区别不仅仅是审美上的;它影响情绪、生产力,甚至生物过程,如昼夜节律。理解亮度温度在摄影、电影制作和室内设计等领域尤为重要。摄影师经常根据光的亮度温度调整相机设置,以确保准确的颜色再现。例如,如果摄影师在白炽灯下拍摄,白炽灯的亮度温度较低,他们可能需要使用暖色滤镜来保持拍摄对象的自然外观。此外,在室内设计中,照明的选择可以显著影响空间的氛围。低亮度温度的暖色灯光营造出舒适宜人的环境,非常适合客厅和卧室。而高亮度温度的冷色灯光则常常在工作空间和厨房中更受欢迎,因为它们可以提高警觉性和专注力。亮度温度的影响超越了美学和功能性。研究表明,不同的亮度温度会影响人类心理和健康。例如,白天暴露在较冷的光线下可以帮助提高注意力和能量水平,而傍晚的暖光则可以促进放松,为身体准备入睡。这种理解促使照明技术的创新,包括智能灯泡,使用户能够根据一天中的需求调整亮度温度。总之,术语亮度温度概括了我们与光互动的重要方面。它不仅影响我们环境的视觉质量,还影响我们对环境的情感和心理反应。随着我们继续探索光的科学,亮度温度的重要性将变得愈加明显,塑造我们在日常生活和专业领域的体验。理解这一概念使我们能够对照明做出明智的选择,提升我们的环境,提高我们的整体生活质量。

相关单词

luminance

luminance详解:怎么读、什么意思、用法

temperature

temperature详解:怎么读、什么意思、用法