pulse stretching

简明释义

脉冲加宽

英英释义

例句

1.By applying pulse stretching, the researchers were able to extend the duration of the laser pulse.

通过应用脉冲拉伸，研究人员能够延长激光脉冲的持续时间。

2.The lab conducted an experiment on pulse stretching to improve signal clarity in telecommunications.

实验室进行了一项关于脉冲拉伸的实验，以提高电信中的信号清晰度。

3.The technique of pulse stretching can enhance the performance of radar systems.

这种脉冲拉伸技术可以增强雷达系统的性能。

4.Engineers use pulse stretching to manipulate the time domain of signals in electronic devices.

工程师使用脉冲拉伸来操纵电子设备中信号的时间域。

5.In fiber optics, pulse stretching is crucial for reducing dispersion effects.

在光纤中，脉冲拉伸对于减少色散效应至关重要。

作文

In the field of physics and engineering, the concept of pulse stretching refers to the phenomenon where a short pulse of energy, such as light or sound, is extended in time. This can occur due to various factors, including the medium through which the pulse travels and the properties of the pulse itself. Understanding pulse stretching is crucial for numerous applications, particularly in telecommunications and signal processing. For instance, in fiber optics, when light pulses travel through a fiber, they can experience pulse stretching due to dispersion. Dispersion causes different wavelengths of light to travel at different speeds, leading to a broadening of the pulse over distance. This effect can degrade the quality of signals transmitted over long distances, making it essential for engineers to develop techniques to mitigate this issue.In addition to telecommunications, pulse stretching also plays a significant role in laser technology. When lasers emit short pulses, they can be manipulated to achieve specific outcomes. By intentionally inducing pulse stretching, scientists can control the energy output and duration of the laser pulse, which is vital for applications like material processing, medical procedures, and scientific research. For example, in laser surgery, longer pulses can minimize damage to surrounding tissues while effectively targeting the area of interest.Moreover, pulse stretching is not limited to light; it also applies to sound waves. In acoustics, sound pulses can be stretched through various mechanisms, such as reflections and refractions in different media. This stretching can affect how we perceive sound in environments like concert halls or auditoriums. Engineers often design these spaces with careful attention to how pulse stretching occurs to enhance the auditory experience for listeners.The implications of pulse stretching extend beyond technical fields; they also have philosophical considerations. The idea of time itself can be metaphorically linked to pulse stretching. Just as physical pulses can be stretched in time, our perception of time can also feel elongated or compressed based on our experiences. For instance, during moments of excitement or fear, time may seem to stretch, while mundane moments may feel fleeting. This subjective experience of time can influence our behaviors and decisions, showcasing the interconnectedness of physical phenomena and human perception.In conclusion, pulse stretching is a multifaceted concept that impacts various domains, from telecommunications to philosophy. By understanding the mechanics behind pulse stretching, we can improve technologies and gain insights into the nature of our experiences. As research continues to advance, the applications of pulse stretching will likely expand, offering new possibilities for innovation and understanding in both science and everyday life.

在物理和工程领域，短语脉冲拉伸指的是一种现象，其中一束短的能量脉冲（如光或声）在时间上被延长。这种情况可以由于多种因素而发生，包括脉冲传播的介质及其自身的特性。理解脉冲拉伸对于许多应用至关重要，特别是在电信和信号处理领域。例如，在光纤中，当光脉冲通过光纤传播时，由于色散，它们可能会经历脉冲拉伸。色散导致不同波长的光以不同速度传播，从而导致脉冲在距离上扩展。这种效应可能会降低长距离传输信号的质量，因此工程师必须开发技术来减轻这一问题。除了电信，脉冲拉伸在激光技术中也发挥着重要作用。当激光发出短脉冲时，可以对其进行操控以实现特定效果。通过故意诱导脉冲拉伸，科学家可以控制激光脉冲的能量输出和持续时间，这对于材料加工、医疗程序和科学研究等应用至关重要。例如，在激光手术中，较长的脉冲可以最小化对周围组织的损伤，同时有效地针对感兴趣的区域。此外，脉冲拉伸不仅限于光；它同样适用于声波。在声学中，声脉冲可以通过各种机制（如在不同介质中的反射和折射）被拉伸。这种拉伸可以影响我们在音乐厅或礼堂等环境中感知声音的方式。工程师通常会仔细设计这些空间，以关注脉冲拉伸的发生，以增强听众的听觉体验。脉冲拉伸的影响超越了技术领域；它们还有哲学上的考虑。时间的概念可以与脉冲拉伸进行隐喻联系。正如物理脉冲可以在时间上被拉伸一样，我们对时间的感知也可能根据我们的经历而延长或压缩。例如，在兴奋或恐惧的瞬间，时间似乎会拉伸，而平凡的瞬间可能会感觉短暂。这种主观的时间体验可以影响我们的行为和决策，展示了物理现象与人类感知之间的相互关系。总之，脉冲拉伸是一个多方面的概念，影响着各个领域，从电信到哲学。通过理解脉冲拉伸背后的机制，我们可以改善技术并深入了解我们经历的本质。随着研究的不断推进，脉冲拉伸的应用可能会扩展，为科学和日常生活中的创新和理解提供新的可能性。