resonant frequency

简明释义

谐振频率共振频率

英英释义

例句

1.In a musical instrument, the resonant frequency determines the pitch of the sound produced.

在乐器中，共振频率决定了产生声音的音高。

2.When designing speakers, engineers must consider the resonant frequency to optimize sound quality.

在设计扬声器时，工程师必须考虑共振频率以优化音质。

3.The resonant frequency of a circuit can be adjusted by changing its inductance and capacitance.

通过改变电路的电感和电容，可以调整其共振频率。

4.Understanding the resonant frequency is crucial for preventing structural failures in buildings.

理解共振频率对于防止建筑物结构失效至关重要。

5.The engineer calculated the resonant frequency of the bridge to ensure it could withstand strong winds.

工程师计算了桥梁的共振频率以确保它能承受强风。

作文

The concept of resonant frequency is pivotal in various fields of science and engineering, particularly in the study of vibrations and waves. In simple terms, resonant frequency refers to the natural frequency at which a system tends to oscillate when not subjected to a continuous or repeated external force. This phenomenon can be observed in numerous contexts, from musical instruments to engineering structures. Understanding resonant frequency is essential for designing systems that either utilize these frequencies or avoid potential failures due to resonant vibrations.For instance, consider a guitar string. When plucked, the string vibrates at a specific frequency that corresponds to its resonant frequency. The pitch of the note produced depends on factors such as the string's length, tension, and mass. If the string is too tight, it will have a higher resonant frequency, resulting in a higher pitch. Conversely, if the string is looser, the resonant frequency decreases, producing a lower pitch. Musicians exploit this principle to tune their instruments, ensuring that they produce the desired sound.In engineering, the importance of resonant frequency cannot be overstated. Structures like bridges and buildings must be designed to withstand various forces, including wind and earthquakes. Each structure has its own resonant frequency, and if external forces align with this frequency, it can lead to catastrophic failures. A famous example of this is the Tacoma Narrows Bridge, which collapsed in 1940 due to aeroelastic flutter—a phenomenon closely related to resonant frequency. Engineers now conduct thorough analyses to ensure that the resonant frequency of a structure does not coincide with the frequencies of expected environmental forces.Moreover, resonant frequency plays a significant role in electronics, particularly in the design of circuits and filters. For instance, in radio receivers, antennas are designed to resonate at specific frequencies to effectively capture signals. The resonant frequency of the antenna determines which frequencies it will respond to, allowing for clear reception of desired broadcasts while filtering out noise. This principle is also applied in tuning circuits, where components are selected to achieve a specific resonant frequency that enhances performance.In the realm of acoustics, resonant frequency is crucial in understanding how sound behaves in different environments. Rooms are often designed with specific dimensions to achieve desirable acoustic properties, including the control of sound waves and their resonant frequencies. This is particularly important in concert halls and theaters, where the goal is to create an optimal listening experience. By manipulating the resonant frequency of a space, designers can enhance sound quality and minimize undesirable echoes.In conclusion, the concept of resonant frequency is fundamental across multiple disciplines. Whether in music, engineering, electronics, or acoustics, understanding resonant frequency allows us to harness its power and avoid its pitfalls. As technology advances, the applications of resonant frequency will continue to expand, making it a critical area of study for students and professionals alike. By mastering this concept, we can better appreciate the intricate balance between vibration, frequency, and the systems we interact with daily.

“共振频率”的概念在科学和工程的各个领域中至关重要，特别是在振动和波动的研究中。简单来说，“共振频率”指的是一个系统在不受连续或重复外力作用时倾向于振荡的自然频率。这种现象可以在众多背景中观察到，从乐器到工程结构。理解“共振频率”对于设计利用这些频率的系统或避免因共振振动而导致的潜在故障至关重要。例如，考虑吉他弦。当被拨动时，弦以特定频率振动，这与其“共振频率”相对应。产生音符的音高取决于弦的长度、张力和质量等因素。如果弦太紧，则会有更高的“共振频率”，产生更高的音调。相反，如果弦较松，则“共振频率”降低，产生较低的音调。音乐家利用这一原理来调音，确保他们的乐器发出所需的声音。在工程学中，“共振频率”的重要性不容小觑。桥梁和建筑等结构必须设计成能够承受各种力量，包括风和地震。每个结构都有自己的“共振频率”，如果外部力量与该频率一致，就可能导致灾难性的失败。一个著名的例子是1940年倒塌的塔科马海峡大桥，因气动弹性颤振而倒塌，这一现象与“共振频率”密切相关。工程师们现在进行彻底的分析，以确保结构的“共振频率”与预期环境力量的频率不重合。此外，“共振频率”在电子学中也发挥着重要作用，特别是在电路和滤波器的设计中。例如，在无线电接收器中，天线被设计为在特定频率下共振，以有效捕获信号。天线的“共振频率”决定了它将响应哪些频率，从而允许清晰接收所需的广播。这个原理也应用于调谐电路，通过选择组件来实现特定的“共振频率”，以增强性能。在声学领域，“共振频率”对于理解声音在不同环境中的行为至关重要。房间通常根据特定尺寸进行设计，以实现理想的声学特性，包括控制声波及其“共振频率”。这在音乐厅和剧院中特别重要，目标是创造最佳的听觉体验。通过操控空间的“共振频率”，设计师可以增强音质，最小化不必要的回声。总之，“共振频率”的概念在多个学科中是基础性的。无论是在音乐、工程、电子还是声学中，理解“共振频率”使我们能够利用其力量并避免其陷阱。随着技术的进步，“共振频率”的应用将继续扩展，使其成为学生和专业人士研究的关键领域。通过掌握这一概念，我们可以更好地欣赏振动、频率与我们日常互动系统之间的微妙平衡。