harmonic excitation

简明释义

谐波励磁

英英释义

例句

1.Engineers often use harmonic excitation to test the durability of materials under cyclic loads.

工程师们通常使用谐波激励来测试材料在循环载荷下的耐久性。

2.The simulation included harmonic excitation to mimic real-world operating conditions.

模拟中包含了谐波激励以模拟真实的操作条件。

3.The researchers studied the effects of harmonic excitation on the vibration patterns of the bridge.

研究人员研究了谐波激励对桥梁振动模式的影响。

4.The analysis showed that harmonic excitation can lead to resonance in mechanical structures.

分析显示，谐波激励可能导致机械结构中的共振。

5.In this experiment, we applied harmonic excitation to the system to observe its response.

在这个实验中，我们对系统施加了谐波激励以观察其响应。

作文

Harmonic excitation is a fundamental concept in various fields of physics and engineering, particularly in the study of vibrations and wave phenomena. It refers to the process of stimulating a system or structure with forces that vary sinusoidally over time. This type of excitation can lead to resonant behavior, where the amplitude of the system's response increases significantly at certain frequencies. Understanding harmonic excitation (谐波激励) is crucial for designing structures that can withstand dynamic loads, such as buildings during earthquakes or bridges subjected to traffic-induced vibrations.In mechanical systems, harmonic excitation (谐波激励) can be observed in machines and rotating equipment. For instance, when a motor operates, it creates vibrations that can be characterized by their frequency and amplitude. These vibrations can be analyzed to ensure that the machinery operates smoothly and efficiently. Engineers often use damping techniques to mitigate the effects of harmonic excitation (谐波激励), which can cause wear and tear on components and potentially lead to catastrophic failures.In the field of acoustics, harmonic excitation (谐波激励) plays a significant role in sound production and transmission. Musical instruments, for example, rely on harmonic excitation to produce sound waves. When a string is plucked, it vibrates at its fundamental frequency and also at its harmonics, creating a rich sound texture. Understanding how harmonic excitation (谐波激励) works allows musicians and sound engineers to manipulate sound characteristics, leading to better musical compositions and audio experiences.Moreover, in the realm of electrical engineering, harmonic excitation (谐波激励) is essential in analyzing circuits that operate with alternating current (AC). The presence of harmonics can affect the performance of electrical systems, leading to inefficiencies and potential damage. Engineers must consider harmonic excitation (谐波激励) when designing power systems to ensure that they can handle these variations without compromising safety or functionality.The study of harmonic excitation (谐波激励) also extends into the field of control systems. In these systems, understanding how to apply harmonic forces can help stabilize the system's response. By incorporating feedback mechanisms, engineers can design control strategies that effectively counteract unwanted vibrations caused by harmonic excitation (谐波激励).In summary, harmonic excitation (谐波激励) is a vital concept that spans multiple disciplines, including mechanical engineering, acoustics, electrical engineering, and control systems. Its implications are far-reaching, influencing the design and analysis of systems that encounter oscillatory forces. As technology continues to advance, the importance of understanding and harnessing harmonic excitation (谐波激励) will only grow, paving the way for innovations that enhance the performance and reliability of various applications. Whether in constructing resilient infrastructures, creating captivating music, or ensuring the efficiency of electrical systems, the principles surrounding harmonic excitation (谐波激励) remain integral to our technological progress.

谐波激励是物理和工程领域中的一个基本概念，特别是在振动和波现象的研究中。它指的是以正弦方式随时间变化的力量对系统或结构进行刺激的过程。这种类型的激励可以导致共振行为，即在某些频率下，系统响应的幅度显著增加。理解harmonic excitation(谐波激励)对于设计能够承受动态负载的结构至关重要，例如在地震期间的建筑物或受到交通引起的振动的桥梁。在机械系统中，harmonic excitation(谐波激励)可以在机器和旋转设备中观察到。例如，当电动机运行时，它会产生可以通过频率和幅度来表征的振动。这些振动可以被分析，以确保机器平稳高效地运行。工程师常常使用阻尼技术来减轻harmonic excitation(谐波激励)的影响，这可能导致部件磨损，并可能导致灾难性故障。在声学领域，harmonic excitation(谐波激励)在声音的产生和传播中发挥着重要作用。例如，乐器依赖于谐波激励来产生声波。当琴弦被拨动时，它以其基频和谐波振动，创造出丰富的声音纹理。理解harmonic excitation(谐波激励)的工作原理使音乐家和音响工程师能够操控声音特性，从而带来更好的音乐作品和音频体验。此外，在电气工程领域，harmonic excitation(谐波激励)在分析交流电（AC）运行的电路中至关重要。谐波的存在可能会影响电气系统的性能，导致低效率和潜在的损坏。工程师在设计电力系统时必须考虑harmonic excitation(谐波激励)，以确保它们能够处理这些变化，而不妨碍安全或功能。harmonic excitation(谐波激励)的研究还延伸到控制系统领域。在这些系统中，理解如何施加谐波力可以帮助稳定系统的响应。通过结合反馈机制，工程师可以设计有效抵消由harmonic excitation(谐波激励)引起的不必要振动的控制策略。总之，harmonic excitation(谐波激励)是一个跨越多个学科的重要概念，包括机械工程、声学、电气工程和控制系统。它的影响深远，影响着遇到振荡力的系统的设计和分析。随着技术的不断进步，理解和利用harmonic excitation(谐波激励)的重要性只会增加，为提升各种应用的性能和可靠性铺平道路。无论是在构建坚固的基础设施、创造引人入胜的音乐，还是确保电力系统的效率，围绕harmonic excitation(谐波激励)的原则仍然是我们技术进步的核心。