direct excitation

简明释义

直接励磁

英英释义

例句

1.The researchers used a laser to achieve direct excitation 直接激发 of the atoms in the sample.

研究人员使用激光实现了样品中原子的直接激发。

2.In this experiment, direct excitation 直接激发 was preferred over indirect methods for its efficiency.

在这个实验中，选择了直接激发而不是间接方法，因为它更高效。

3.The direct excitation 直接激发 of electrons can lead to a significant increase in conductivity.

电子的直接激发可以显著提高导电性。

4.Using direct excitation 直接激发 techniques, scientists were able to observe real-time changes in molecular structures.

通过使用直接激发技术，科学家能够实时观察分子结构的变化。

5.The findings suggest that direct excitation 直接激发 plays a crucial role in photochemical reactions.

研究结果表明，直接激发在光化学反应中起着关键作用。

作文

In the realm of physics and engineering, the concept of direct excitation plays a crucial role in understanding how systems respond to external forces. Essentially, direct excitation refers to the immediate response of a system when an external energy source is applied directly to it. This phenomenon can be observed in various fields, including mechanical systems, electrical circuits, and even biological systems. By examining the principles behind direct excitation, we gain insights into how different systems behave under specific conditions.To illustrate the principle of direct excitation, consider a simple mechanical system such as a swing. When a person pushes the swing, they provide a direct force that causes the swing to move. The immediate movement of the swing in response to this push exemplifies direct excitation. The energy from the push is transferred directly to the swing, resulting in its motion. This example highlights how direct excitation is not only about the application of force but also about the system's ability to respond promptly to that force.In contrast, there are other forms of excitation that involve indirect or delayed responses. For instance, if we consider a pendulum, the initial displacement may not result in immediate motion until the gravitational force acts on it. This delay contrasts with the concept of direct excitation, where the response is instantaneous.The significance of direct excitation extends beyond simple mechanical systems. In electrical engineering, direct excitation can be observed in circuits where a voltage is applied directly to a component, causing it to operate immediately. For example, when a light switch is flipped, the electrical current flows directly to the bulb, resulting in instant illumination. This direct relationship between the input (the switch) and the output (the light) exemplifies the essence of direct excitation in electrical systems.Moreover, direct excitation is also relevant in the field of acoustics. When a musician strikes a piano key, the hammer hits the strings directly, causing them to vibrate and produce sound. This process is a clear demonstration of direct excitation, as the musician's action leads to an immediate auditory response. Understanding this concept is essential for musicians and sound engineers alike, as it allows them to manipulate sound production effectively.In conclusion, direct excitation is a fundamental concept that permeates various scientific disciplines. Whether in mechanical systems, electrical circuits, or acoustic phenomena, the ability of a system to respond directly and immediately to an external stimulus is crucial for understanding its behavior. By studying direct excitation, we can develop better technologies, improve designs, and enhance our comprehension of the natural world. As we continue to explore the intricacies of different systems, recognizing the importance of direct excitation will undoubtedly lead to advancements in both theory and practical applications.

在物理和工程领域，直接激励的概念在理解系统如何响应外部力方面起着至关重要的作用。本质上，直接激励是指当外部能量源直接施加于系统时，系统的即时响应。这种现象可以在多个领域观察到，包括机械系统、电路甚至生物系统。通过研究直接激励背后的原理，我们可以深入了解不同系统在特定条件下的行为。为了说明直接激励的原理，考虑一个简单的机械系统，比如秋千。当一个人推秋千时，他们提供了一个直接的力量，使秋千运动。秋千对此推力的即时移动就是直接激励的典范。推力的能量直接转移到秋千上，导致其运动。这个例子突显了直接激励不仅仅是施加力量的问题，还涉及系统在该力量作用下迅速响应的能力。相比之下，还有其他形式的激励涉及间接或延迟的响应。例如，如果我们考虑一个摆，初始位移可能不会立即导致运动，直到重力作用于它为止。这种延迟与直接激励的概念形成对比，因为后者的响应是瞬时的。直接激励的重要性超越了简单的机械系统。在电气工程中，直接激励可以在电路中观察到，其中电压直接施加到组件上，导致其立即运行。例如，当开关被打开时，电流直接流向灯泡，导致灯光瞬间亮起。这种输入（开关）与输出（灯光）之间的直接关系体现了电气系统中直接激励的本质。此外，直接激励在声学领域也很相关。当音乐家敲击钢琴键时，锤子直接击打弦线，导致其振动并产生声音。这个过程清楚地展示了直接激励，因为音乐家的动作导致了即时的听觉响应。理解这一概念对于音乐家和音响工程师而言至关重要，因为它使他们能够有效地操控声音的产生。总之，直接激励是一个基本概念，渗透到多个科学学科中。无论是在机械系统、电气电路还是声学现象中，系统直接且立即响应外部刺激的能力对于理解其行为至关重要。通过研究直接激励，我们可以开发更好的技术，改善设计，并增强我们对自然世界的理解。随着我们继续探索不同系统的复杂性，认识到直接激励的重要性无疑将推动理论和实际应用的进步。