characteristic frequency

简明释义

固有频率

英英释义

例句

1.The engineer calculated the characteristic frequency 特征频率 of the vibrating system to ensure stability.

工程师计算了振动系统的特征频率 characteristic frequency 以确保稳定性。

2.In acoustics, the characteristic frequency 特征频率 of a room can greatly affect sound quality.

在声学中，房间的特征频率 characteristic frequency 可以极大影响音质。

3.The characteristic frequency 特征频率 of the circuit was identified during the testing phase.

在测试阶段，电路的特征频率 characteristic frequency 被识别出来。

4.The characteristic frequency 特征频率 of a musical instrument determines its pitch.

乐器的特征频率 characteristic frequency 决定了其音高。

5.Understanding the characteristic frequency 特征频率 is crucial for designing effective filters.

理解特征频率 characteristic frequency 对于设计有效的滤波器至关重要。

作文

In the realm of physics and engineering, the term characteristic frequency refers to the natural frequency at which a system tends to oscillate in the absence of any driving force. Each system, whether it be a mechanical structure, an electrical circuit, or even a biological entity, possesses its own unique characteristic frequency that is determined by its physical properties. Understanding this concept is crucial for engineers and scientists as it helps in predicting how systems behave under various conditions.For instance, consider a simple pendulum. The characteristic frequency of the pendulum is determined by its length and the acceleration due to gravity. If we were to disturb the pendulum from its resting position, it would swing back and forth at its characteristic frequency, regardless of the amplitude of the swing. This property can be observed in many systems, where the characteristic frequency remains constant even if the energy input changes.In engineering, resonance occurs when the frequency of an external force matches the characteristic frequency of a system. This phenomenon can lead to dramatic increases in amplitude, which can cause structural failure if not properly managed. For example, the Tacoma Narrows Bridge disaster in 1940 was a result of wind-induced vibrations that matched the bridge's characteristic frequency. Engineers now take this into account when designing structures to ensure they can withstand such forces.In the field of electronics, the concept of characteristic frequency plays a crucial role in the design of circuits. Components like inductors and capacitors have their own characteristic frequencies that dictate how they respond to signals. When designing filters or amplifiers, engineers must ensure that the characteristic frequency of the circuit aligns with the desired operational frequencies to optimize performance.Moreover, in biology, the characteristic frequency can be observed in the study of sound waves produced by various organisms. For instance, different species of birds have distinct vocalizations that can be associated with their characteristic frequencies. These frequencies are vital for communication, mating calls, and territorial displays. Understanding the characteristic frequency of these sounds can help researchers track populations and understand behavioral patterns.In summary, the concept of characteristic frequency is integral to multiple fields, including physics, engineering, and biology. It serves as a fundamental principle that explains how systems respond to external influences and helps in the design and analysis of various applications. Whether it’s ensuring the safety of a bridge, optimizing electronic circuits, or studying animal behavior, the characteristic frequency remains a key parameter that professionals must consider in their work. By grasping this concept, one can gain deeper insights into the dynamics of both natural and engineered systems, ultimately leading to advancements in technology and understanding of the world around us.

在物理和工程领域，术语特征频率指的是一个系统在没有任何驱动力的情况下倾向于振荡的自然频率。每个系统，无论是机械结构、电路，还是生物实体，都具有其独特的特征频率，该频率由其物理属性决定。理解这一概念对工程师和科学家至关重要，因为它有助于预测系统在各种条件下的行为。例如，考虑一个简单的摆。摆的特征频率由其长度和重力加速度决定。如果我们干扰摆，使其偏离静止位置，它将以其特征频率来回摆动，而不管摆动的幅度如何。这种属性可以在许多系统中观察到，即使能量输入发生变化，特征频率仍然保持不变。在工程中，当外部力的频率与系统的特征频率匹配时，就会发生共振。这种现象可能导致振幅的剧烈增加，如果管理不当，可能会导致结构失效。例如，1940年塔科马海峡大桥的灾难就是由于风引起的振动与桥梁的特征频率相匹配。工程师现在在设计结构时会考虑这一点，以确保它们能够承受这种力量。在电子学领域，特征频率的概念在电路设计中发挥着关键作用。电感器和电容器等组件具有各自的特征频率，决定了它们对信号的响应。当设计滤波器或放大器时，工程师必须确保电路的特征频率与所需的工作频率一致，以优化性能。此外，在生物学中，特征频率可以在研究各种生物发出的声波时观察到。例如，不同物种的鸟类具有不同的叫声，这些叫声可以与它们的特征频率相关联。这些频率对于交流、求偶和领土展示至关重要。理解这些声音的特征频率可以帮助研究人员追踪种群并了解行为模式。总之，特征频率的概念在物理、工程和生物等多个领域中都是不可或缺的。它作为一个基本原理，解释了系统如何响应外部影响，并帮助设计和分析各种应用。无论是确保桥梁的安全性、优化电子电路，还是研究动物行为，特征频率始终是专业人员在工作中必须考虑的关键参数。通过掌握这一概念，人们可以更深入地理解自然和工程系统的动态，从而推动技术进步和对周围世界的理解。