impulse excitation

简明释义

冲护励

英英释义

例句

1.In this experiment, impulse excitation was applied to analyze the vibration modes of the material.

在这个实验中，应用了脉冲激励来分析材料的振动模式。

2.The researcher used impulse excitation to test the structural integrity of the bridge.

研究人员使用脉冲激励来测试桥梁的结构完整性。

3.By applying impulse excitation, we can observe the dynamic response of the system.

通过施加脉冲激励，我们可以观察系统的动态响应。

4.Engineers often utilize impulse excitation during the testing phase of new products.

工程师通常在新产品的测试阶段利用脉冲激励。

5.The results showed that impulse excitation can effectively identify defects in mechanical components.

结果显示，脉冲激励可以有效地识别机械部件中的缺陷。

作文

In the field of engineering and physics, the term impulse excitation refers to a method of stimulating a system or structure using a brief and sudden force. This technique is crucial in various applications, particularly in vibration analysis and structural testing. By applying an impulse, engineers can observe how a system responds to this sudden input, allowing them to gather valuable data about its dynamic characteristics. The concept of impulse excitation can be understood through its practical applications. For instance, consider a bridge that needs to be tested for its structural integrity. Engineers may use a device to deliver a quick impact to the bridge, creating an impulse excitation. The response of the bridge, measured through sensors, provides insights into its stiffness, damping properties, and natural frequencies. This information is vital for ensuring safety and performance standards in civil engineering projects.Moreover, impulse excitation is not limited to large structures. It is also employed in mechanical systems, such as machinery and automotive components. When a moving part experiences a sudden force, it can lead to vibrations that affect its performance. By analyzing these vibrations through impulse excitation, engineers can identify potential issues like wear and tear, misalignment, or imbalance. Consequently, this technique plays a significant role in predictive maintenance, helping to prevent costly failures and extend the lifespan of equipment.In the realm of acoustics, impulse excitation is utilized to study sound behavior in various environments. For example, researchers may use a small hammer to strike a surface, generating an impulse that produces sound waves. By capturing and analyzing the resulting sound, they can determine the acoustic properties of materials and spaces. This is particularly important in designing concert halls or recording studios, where sound quality is paramount.Furthermore, the principles of impulse excitation can be applied in the field of seismology. When an earthquake occurs, it creates a sudden release of energy, similar to an impulse. Scientists study the seismic waves generated by these events to understand the Earth's internal structure and predict future seismic activity. This research is essential for improving building designs and emergency preparedness in earthquake-prone areas.In conclusion, impulse excitation is a fundamental concept that finds relevance across various disciplines, from civil engineering to acoustics and seismology. Its ability to provide critical insights into the behavior of systems under sudden forces makes it an invaluable tool for engineers and researchers alike. As technology continues to advance, the methods and applications of impulse excitation will likely evolve, leading to even greater understanding and innovation in the fields of science and engineering.

在工程和物理领域，术语冲击激励指的是一种通过短暂而突发的力量来刺激系统或结构的方法。这种技术在各种应用中至关重要，特别是在振动分析和结构测试方面。通过施加冲击，工程师可以观察系统如何响应这一突发输入，从而收集有关其动态特性的宝贵数据。冲击激励的概念可以通过其实际应用来理解。例如，考虑一座需要测试其结构完整性的桥梁。工程师可能会使用设备对桥梁施加快速冲击，从而产生冲击激励。通过传感器测量桥梁的响应，可以获得有关其刚度、阻尼特性和固有频率的信息。这些信息对于确保土木工程项目的安全和性能标准至关重要。此外，冲击激励不仅限于大型结构。它还被用于机械系统，例如机器和汽车组件。当运动部件经历突然的力量时，可能会导致影响其性能的振动。通过分析这些振动，工程师可以识别潜在问题，如磨损、错位或不平衡。因此，这项技术在预测性维护中扮演着重要角色，有助于防止昂贵的故障并延长设备的使用寿命。在声学领域，冲击激励被用来研究各种环境中的声音行为。例如，研究人员可能会用小锤子敲击一个表面，产生一个冲击，从而产生声波。通过捕捉和分析结果声音，他们可以确定材料和空间的声学特性。这在设计音乐厅或录音室时尤为重要，因为声音质量至关重要。此外，冲击激励的原理也可以应用于地震学。当发生地震时，它会产生类似冲击的能量突然释放。科学家们研究这些事件产生的地震波，以了解地球内部结构并预测未来的地震活动。这项研究对于改善建筑设计和地震多发地区的应急准备至关重要。总之，冲击激励是一个基本概念，在土木工程、声学和地震学等多个学科中都有相关性。它提供了关于系统在突发力量下行为的重要见解，使其成为工程师和研究人员不可或缺的工具。随着技术的不断进步，冲击激励的方法和应用可能会不断演变，从而在科学和工程领域带来更大的理解和创新。