frequency hysteresis

简明释义

频率滞后

英英释义

例句

1.The researchers observed a clear case of frequency hysteresis in the oscillation patterns of the mechanical system.

研究人员在机械系统的振荡模式中观察到了明显的频率滞后现象。

2.In electronic circuits, frequency hysteresis can lead to unexpected behavior during signal transitions.

在电子电路中，频率滞后可能导致信号转换期间出现意外行为。

3.Engineers must account for frequency hysteresis when designing systems that operate under varying loads.

工程师在设计在不同负载下运行的系统时，必须考虑到频率滞后。

4.The frequency hysteresis observed in this material suggests it could be used for dampening vibrations.

在这种材料中观察到的频率滞后表明它可以用于减震。

5.The phenomenon of frequency hysteresis is crucial for understanding the stability of feedback loops.

理解反馈回路的稳定性时，频率滞后现象至关重要。

作文

In the realm of physics and engineering, the term frequency hysteresis refers to a phenomenon where the response of a system depends not only on its current state but also on its past states. This effect is particularly evident in systems that exhibit non-linear behavior, such as mechanical systems, electrical circuits, and even biological systems. Understanding frequency hysteresis is crucial for engineers and scientists as it can significantly influence the performance and stability of various applications.To illustrate this concept, consider a simple mechanical oscillator, such as a spring-mass system. When the mass is subjected to varying frequencies of force, the displacement of the mass does not follow the input frequency linearly. Instead, there is a lag in the response due to the energy dissipation within the system. This lag creates a loop when plotting the input frequency against the output response, which is a visual representation of frequency hysteresis. The area within this loop indicates the energy lost in the system due to damping effects.Similarly, in electrical systems, frequency hysteresis can occur in inductors and capacitors. When an alternating current (AC) is applied, the voltage and current do not reach their maximum values simultaneously. The phase difference between them leads to a similar loop in the voltage-current graph, demonstrating how the system's history affects its present behavior. Engineers must account for this when designing circuits to ensure efficiency and reliability.Moreover, frequency hysteresis is not limited to mechanical and electrical systems; it also appears in biological contexts. For example, in the study of nerve impulses, the threshold for firing can depend on previous stimuli. If a neuron has recently been activated, it may require a different frequency of stimulation to respond again, showcasing a biological form of hysteresis. This understanding is vital in fields like neurobiology and medicine, where accurate predictions of nerve responses can lead to better treatments for neurological disorders.The implications of frequency hysteresis extend beyond theoretical considerations; they have practical applications in various industries. In automotive engineering, for instance, the design of suspension systems must consider hysteresis effects to enhance ride comfort and vehicle handling. Similarly, in the field of materials science, understanding the hysteresis behavior of materials under cyclic loading can lead to more durable and resilient products.In conclusion, frequency hysteresis is a significant phenomenon that illustrates the complex interplay between a system's current state and its historical behavior. Whether in mechanical systems, electrical circuits, or biological processes, recognizing and analyzing frequency hysteresis enables engineers and scientists to design better systems and predict their performance more accurately. As technology continues to advance, the importance of understanding such concepts will only grow, making it essential for future innovations in various fields.

在物理和工程领域，术语频率滞后指的是一个现象，其中系统的响应不仅依赖于其当前状态，还依赖于其过去的状态。这种效应在表现出非线性行为的系统中尤为明显，例如机械系统、电路，甚至生物系统。理解频率滞后对工程师和科学家至关重要，因为它会显著影响各种应用的性能和稳定性。为了说明这个概念，考虑一个简单的机械振荡器，例如弹簧-质量系统。当质量受到不同频率的力作用时，质量的位移并不会线性地跟随输入频率。相反，由于系统内的能量耗散，响应存在滞后。这种滞后在绘制输入频率与输出响应的图形时形成一个循环，这是频率滞后的可视化表示。该循环内的面积表示由于阻尼效应而在系统中损失的能量。类似地，在电气系统中，频率滞后可能发生在电感器和电容器中。当施加交流电（AC）时，电压和电流不会同时达到最大值。它们之间的相位差导致电压-电流图中出现类似的循环，展示了系统的历史如何影响其当前行为。工程师在设计电路时必须考虑这一点，以确保效率和可靠性。此外，频率滞后并不限于机械和电气系统；它还出现在生物学背景下。例如，在神经冲动的研究中，触发的阈值可能取决于先前的刺激。如果一个神经元最近被激活，它可能需要不同频率的刺激才能再次响应，展示了一种生物形式的滞后。这种理解在神经生物学和医学等领域至关重要，准确预测神经反应可以带来更好的神经疾病治疗方案。频率滞后的影响超出了理论考虑，它在各个行业中具有实际应用。例如，在汽车工程中，悬挂系统的设计必须考虑滞后效应，以增强乘坐舒适性和车辆操控性。同样，在材料科学领域，理解材料在循环载荷下的滞后行为可以导致更耐用和韧性的产品。总之，频率滞后是一个重要的现象，说明了系统当前状态与历史行为之间复杂的相互作用。无论是在机械系统、电气电路还是生物过程中，识别和分析频率滞后使工程师和科学家能够设计更好的系统，更准确地预测其性能。随着技术的不断进步，理解这些概念的重要性只会增加，这对各个领域未来的创新至关重要。