variation of frequency

简明释义

频率变动

英英释义

例句

1.Researchers noted a significant variation of frequency 频率变化 during the experiment.

研究人员注意到实验过程中有显著的频率变化。

2.The scientist studied the variation of frequency 频率变化 in the sound waves emitted by the dolphin.

科学家研究了海豚发出的声波中的频率变化。

3.In telecommunications, understanding the variation of frequency 频率变化 is crucial for signal clarity.

在电信中，理解频率变化对信号清晰度至关重要。

4.The musician adjusted the instrument to minimize the variation of frequency 频率变化 during the performance.

音乐家调整乐器，以最小化演出中的频率变化。

5.The variation of frequency 频率变化 in the electrical circuit can affect the overall performance.

电路中的频率变化可能会影响整体性能。

作文

The concept of variation of frequency plays a crucial role in various fields, including physics, engineering, and even music. To understand this term better, we must first break it down into its components. The word 'variation' refers to changes or differences in a particular quantity or characteristic. Meanwhile, 'frequency' is defined as the number of occurrences of a repeating event per unit of time. Thus, when we combine these two terms, variation of frequency describes the changes in the rate at which something occurs over time.In physics, the variation of frequency is often observed in wave phenomena. For example, when a sound wave travels through different mediums, its speed and frequency can change. This phenomenon is particularly evident when sound waves move from air to water. The frequency may remain constant, but the wavelength will vary due to the change in medium. Understanding this variation of frequency is essential for applications such as sonar technology, where detecting objects underwater relies on how sound waves behave in different environments.In engineering, especially in telecommunications, the variation of frequency is vital for signal processing. Engineers must consider how the frequency of signals can vary due to environmental factors, interference, or equipment limitations. For instance, in wireless communication, the frequency of the transmitted signal can fluctuate, which may affect the quality of the received signal. By analyzing the variation of frequency, engineers can optimize transmission protocols to ensure clearer communication and minimize data loss.Music also provides an excellent context for understanding the variation of frequency. Different musical notes correspond to specific frequencies, and the variations in these frequencies create harmony and melody. When a musician plays an instrument, they manipulate the frequency of the sound produced, either intentionally or through natural variation caused by factors like temperature and humidity. Musicians often tune their instruments to achieve a desired variation of frequency that aligns with the piece they are performing. This tuning process is crucial, as even slight deviations in frequency can lead to dissonance.Moreover, the variation of frequency can have implications beyond just sound waves. In the realm of health sciences, for example, the variation in heart rate frequency can indicate a person's physical condition. Monitoring heart rate variability has become an important aspect of assessing cardiovascular health. A healthy heart exhibits a certain variation of frequency in its beats, reflecting the body's response to stress, exercise, and relaxation.In conclusion, the variation of frequency is a multifaceted concept that appears across various disciplines. Whether in physics, engineering, music, or health sciences, understanding how frequency varies can provide valuable insights into the behavior of systems and the quality of experiences. As we continue to explore this concept, we realize that the variation of frequency is not just a technical term; it is a fundamental aspect of the world around us, influencing everything from the sounds we hear to the technology we use and even our health. Thus, appreciating the variation of frequency allows us to deepen our understanding of both natural phenomena and human-made systems.

“频率变化”这一概念在物理学、工程学甚至音乐等多个领域中都扮演着至关重要的角色。要更好地理解这个术语，我们首先需要将其分解成两个部分。‘变化’一词指的是特定数量或特征的变化或差异。而‘频率’被定义为单位时间内重复事件发生的次数。因此，当我们将这两个术语结合在一起时，‘频率变化’描述的是某事物随时间发生的变化。在物理学中，‘频率变化’通常出现在波动现象中。例如，当声波通过不同介质传播时，其速度和频率可能会发生变化。这种现象在声波从空气传播到水中时尤为明显。频率可能保持不变，但由于介质的变化，波长会发生变化。理解这种‘频率变化’对于声纳技术等应用至关重要，因为探测水下物体依赖于声波在不同环境中的行为。在工程学中，尤其是电信领域，‘频率变化’对信号处理至关重要。工程师必须考虑信号频率如何由于环境因素、干扰或设备限制而变化。例如，在无线通信中，传输信号的频率可能会波动，这可能影响接收信号的质量。通过分析‘频率变化’，工程师可以优化传输协议，以确保更清晰的通信并最小化数据丢失。音乐也提供了一个很好的背景来理解‘频率变化’。不同的音乐音符对应特定的频率，而这些频率的变化创造了和声和旋律。当音乐家演奏乐器时，他们操控所产生声音的频率，无论是故意还是由于温度和湿度等因素造成的自然变化。音乐家通常会调音自己的乐器，以达到与他们所演奏的作品相一致的‘频率变化’。这个调音过程至关重要，因为即使是微小的频率偏差也可能导致不和谐。此外，‘频率变化’的影响不仅限于声波。在健康科学领域，例如，心率频率的变化可以表明一个人的身体状况。监测心率变异性已成为评估心血管健康的重要方面。健康的心脏在跳动中表现出一定的‘频率变化’，反映出身体对压力、运动和放松的反应。总之，‘频率变化’是一个多方面的概念，出现在各个学科中。无论是在物理学、工程学、音乐还是健康科学中，理解频率的变化可以为我们提供系统行为和体验质量的宝贵见解。随着我们继续探索这一概念，我们意识到‘频率变化’不仅仅是一个技术术语；它是我们周围世界的基本方面，影响着我们听到的声音、使用的技术甚至我们的健康。因此，欣赏‘频率变化’使我们能够加深对自然现象和人造系统的理解。