absolute intensity

简明释义

绝对强度;

英英释义

例句

1.The absolute intensity of radiation is often measured in watts per square meter to assess environmental safety.

辐射的绝对强度通常以每平方米瓦特来测量，以评估环境安全性。

2.The scientist measured the absolute intensity of the light emitted by the star, which is crucial for understanding its distance from Earth.

科学家测量了星星发出的绝对强度，这对于理解它离地球的距离至关重要。

3.In acoustics, the absolute intensity of a sound wave can determine how loud it will be perceived by the human ear.

在声学中，声音波的绝对强度可以决定人耳感知到的响度。

4.Engineers must calculate the absolute intensity of signals to ensure clear communication in telecommunications.

工程师必须计算信号的绝对强度以确保电信中的清晰通信。

5.The absolute intensity of the laser beam was adjusted to achieve precise cutting in the manufacturing process.

激光束的绝对强度被调整以实现制造过程中的精确切割。

作文

In the realm of physics, the term absolute intensity refers to the total amount of energy emitted by a source per unit area in a given direction. This concept is crucial in various fields, including acoustics, optics, and electromagnetism. Understanding absolute intensity allows scientists and engineers to design more efficient systems, whether it's improving sound quality in audio devices or enhancing the performance of optical instruments.For instance, in acoustics, the absolute intensity of sound plays a vital role in determining how loud a sound is perceived by the human ear. The measurement of sound intensity is typically expressed in decibels (dB), which is a logarithmic scale. A sound with an absolute intensity of 10^-12 watts per square meter is considered the threshold of hearing for humans. As the absolute intensity increases, so does the perceived loudness. Therefore, understanding the relationship between absolute intensity and sound perception is essential for audio engineers when designing speakers and sound systems.Similarly, in the field of optics, absolute intensity is used to describe the brightness of light sources. For example, when measuring the absolute intensity of a laser beam, scientists need to account for factors such as distance and angle of emission. The absolute intensity of light can significantly impact applications like photography, where the right exposure settings depend on the light's intensity. Photographers often use light meters that measure the absolute intensity of available light to ensure their images are neither overexposed nor underexposed.Moreover, in electromagnetism, absolute intensity helps in understanding the power of electromagnetic waves. The intensity of these waves is crucial in telecommunications, where signals must maintain a certain absolute intensity to ensure clear communication. Engineers work tirelessly to enhance signal strength while minimizing loss during transmission, making the concept of absolute intensity paramount in developing effective communication technologies.In conclusion, the concept of absolute intensity extends far beyond mere definitions; it is a fundamental principle that underpins numerous scientific and engineering disciplines. By grasping the implications of absolute intensity, professionals can innovate and improve technologies that enhance our daily lives. Whether it be through clearer sound, better images, or stronger signals, the understanding of absolute intensity is critical for progress in modern science and technology.

在物理学领域，术语绝对强度指的是一个源每单位面积在给定方向上发出的总能量。这一概念在声学、光学和电磁学等多个领域至关重要。理解绝对强度使科学家和工程师能够设计出更高效的系统，无论是改善音频设备的音质，还是提高光学仪器的性能。例如，在声学中，声音的绝对强度在决定人耳感知声音的响度方面起着重要作用。声音强度的测量通常以分贝（dB）表示，这是一种对数尺度。具有10^-12瓦每平方米的绝对强度的声音被认为是人类听觉的阈值。随着绝对强度的增加，感知的响度也会增加。因此，理解绝对强度与声音感知之间的关系对于音频工程师在设计扬声器和音响系统时至关重要。同样，在光学领域，绝对强度用于描述光源的亮度。例如，在测量激光束的绝对强度时，科学家需要考虑距离和发射角等因素。光的绝对强度可以显著影响摄影等应用，其中正确的曝光设置依赖于光的强度。摄影师通常使用光度计来测量可用光的绝对强度，以确保他们的图像既不曝光过度，也不曝光不足。此外，在电磁学中，绝对强度有助于理解电磁波的功率。这些波的强度在电信中至关重要，因为信号必须保持一定的绝对强度以确保清晰的通信。工程师们辛勤工作，以增强信号强度，同时最小化传输过程中的损失，使得绝对强度的概念在开发有效的通信技术中变得至关重要。总之，绝对强度的概念远不止于简单的定义；它是众多科学和工程学科的基本原则。通过掌握绝对强度的含义，专业人士能够创新和改进提升我们日常生活的技术。无论是通过更清晰的声音、更好的图像，还是更强的信号，理解绝对强度对于现代科学和技术的进步至关重要。