isotropic source of radiation

简明释义

蛤同性辐射源

英英释义

例句

1.A common assumption in radiation safety assessments is that the source is an isotropic source of radiation 各向同性辐射源 for worst-case scenario calculations.

在辐射安全评估中，一个常见的假设是源是一个各向同性辐射源 isotropic source of radiation，用于最坏情况的计算。

2.The study of an isotropic source of radiation 各向同性辐射源 helps researchers understand how energy disperses in space.

研究各向同性辐射源 isotropic source of radiation 有助于研究人员理解能量在空间中的分散方式。

3.When designing a radiation detector, engineers often assume an isotropic source of radiation 各向同性辐射源 for simplicity.

在设计辐射探测器时，工程师们常常假设一个各向同性辐射源 isotropic source of radiation以简化计算。

4.In medical imaging, an isotropic source of radiation 各向同性辐射源 can be used to provide uniform exposure across the imaging area.

在医学成像中，可以使用各向同性辐射源 isotropic source of radiation 来提供成像区域内均匀的曝光。

5.In astrophysics, an isotropic source of radiation 各向同性辐射源 is often used to model the emission of light from distant stars.

在天体物理学中，各向同性辐射源 isotropic source of radiation 常用于模拟远处恒星的光发射。

作文

In the study of physics, particularly in the fields of radiation and electromagnetism, the concept of an isotropic source of radiation plays a crucial role. An isotropic source of radiation is defined as a source that emits radiation uniformly in all directions. This means that the intensity of radiation is the same regardless of the direction in which it is measured. Understanding this concept is essential for various applications, including telecommunications, medical imaging, and astrophysics.To illustrate the significance of an isotropic source of radiation, consider the example of a light bulb. When a light bulb is turned on, it emits light in all directions. If we were to measure the intensity of light at different points around the bulb, we would find that it is approximately the same at equal distances from the bulb. This uniform distribution of light is characteristic of an isotropic source of radiation. However, in reality, most sources of radiation are not perfectly isotropic due to factors such as shape, design, and surrounding materials.The concept of isotropy is not only limited to light but extends to other forms of radiation, such as sound waves and electromagnetic waves. For instance, in the context of sound, a speaker that emits sound evenly in all directions can be considered an isotropic source of radiation. This property is vital in designing audio systems and understanding how sound propagates in different environments.In astrophysics, the study of celestial bodies often involves the assumption of isotropic sources of radiation. For example, when observing stars, astronomers assume that they emit light isotropically. This assumption simplifies calculations related to luminosity, distance, and the energy output of stars. However, it is important to note that some astronomical objects, such as pulsars or supernovae, may not behave as isotropic sources of radiation due to their unique physical characteristics.One of the key implications of having an isotropic source of radiation is how it affects the measurements taken by detectors. If a detector is placed at a certain distance from an isotropic source of radiation, the intensity of the radiation detected can be predicted using the inverse square law. According to this law, the intensity of radiation decreases with the square of the distance from the source. This principle is fundamental in fields such as radiology, where understanding the distribution of radiation is critical for patient safety and effective imaging.Furthermore, the concept of isotropic source of radiation is also important in the development of technologies like wireless communication. Antennas designed to transmit signals uniformly in all directions can be modeled as isotropic sources of radiation. This modeling helps engineers optimize signal strength and coverage areas, ensuring effective communication across various platforms.In conclusion, the understanding of an isotropic source of radiation is vital across multiple scientific and engineering disciplines. Its implications extend from everyday applications like lighting and sound systems to complex astrophysical phenomena and advanced communication technologies. By grasping the characteristics and behaviors of isotropic sources of radiation, researchers and professionals can make informed decisions and innovations that enhance our understanding of the universe and improve our technological capabilities.

在物理学的研究中，特别是在辐射和电磁学领域，各向同性辐射源的概念起着至关重要的作用。各向同性辐射源被定义为一种以均匀方式向所有方向发射辐射的源。这意味着辐射的强度在测量的方向上是相同的。理解这个概念对于各种应用至关重要，包括电信、医学成像和天体物理学。为了说明各向同性辐射源的重要性，可以考虑灯泡的例子。当灯泡打开时，它向所有方向发出光。如果我们在灯泡周围不同的点测量光的强度，我们会发现，在与灯泡相等的距离处，光的强度大致相同。这种光的均匀分布是各向同性辐射源的特征。然而，实际上，大多数辐射源由于形状、设计和周围材料等因素并不是完全各向同性的。各向同性的概念不仅限于光，还扩展到其他形式的辐射，如声波和电磁波。例如，在声音的上下文中，均匀向所有方向发出声音的扬声器可以被视为各向同性辐射源。这一特性在设计音频系统和理解声音在不同环境中的传播时至关重要。在天体物理学中，天体的研究通常涉及对各向同性辐射源的假设。例如，在观察恒星时，天文学家假设它们以各向同性的方式发出光。这一假设简化了与光度、距离和恒星能量输出相关的计算。然而，重要的是要注意，一些天文物体，如脉冲星或超新星，可能由于其独特的物理特性而不表现为各向同性辐射源。拥有各向同性辐射源的一个关键影响是它如何影响探测器的测量。如果探测器放置在距离各向同性辐射源一定距离的位置，可以使用反平方定律预测探测到的辐射强度。根据这一法则，辐射强度随着距离源的平方而减少。这一原理在放射学等领域至关重要，因为理解辐射的分布对于患者安全和有效成像至关重要。此外，各向同性辐射源的概念在无线通信技术的发展中也很重要。旨在均匀向所有方向传输信号的天线可以建模为各向同性辐射源。这种建模帮助工程师优化信号强度和覆盖区域，确保在各种平台上有效通信。总之，理解各向同性辐射源在多个科学和工程学科中都是至关重要的。其影响从日常应用如照明和音响系统延伸到复杂的天体物理现象和先进的通信技术。通过掌握各向同性辐射源的特征和行为，研究人员和专业人员可以做出明智的决策和创新，增强我们对宇宙的理解，并改善我们的技术能力。