period per second

简明释义

周秒每秒周期数

英英释义

例句

1.The device operates at a frequency of 50 period per second, which means it completes 50 cycles every second.

该设备以每秒50周期的频率运行，这意味着它每秒完成50个循环。

2.In physics, the concept of period per second is crucial for understanding wave motion.

在物理学中，每秒周期的概念对于理解波动运动至关重要。

3.A higher period per second indicates a faster oscillation in mechanical systems.

更高的每秒周期表示机械系统中的振荡速度更快。

4.To calculate the speed of the wave, you need to know the period per second and the wavelength.

要计算波的速度，您需要知道每秒周期和波长。

5.The sound wave has a frequency of 440 period per second, which corresponds to the musical note A.

该声波的频率为440周期，对应于音乐音符A。

作文

Understanding the concept of frequency is essential in various fields, including science, engineering, and even music. One of the fundamental ways to express frequency is through the term 'period per second.' In scientific terms, frequency refers to how often an event occurs in a specific time frame. The unit of frequency is usually measured in hertz (Hz), where one hertz equals one cycle per second. Therefore, when we talk about 'period per second,' we are essentially discussing the inverse of frequency. To delve deeper into this concept, let’s consider a simple example: a pendulum swinging back and forth. If the pendulum completes one full swing (one cycle) in two seconds, its frequency would be 0.5 Hz, which means it has a 每秒周期 of 2 seconds. Conversely, if the pendulum swings faster and completes one full swing in one second, its frequency would be 1 Hz, indicating a 每秒周期 of 1 second. This relationship between frequency and period is crucial in understanding oscillatory motion and waves. In the realm of physics, the concept of 'period per second' is vital for analyzing wave phenomena. For instance, sound waves travel through various mediums, and their frequency determines the pitch we hear. A high-frequency sound, like a whistle, has a short 每秒周期, while a low-frequency sound, like a bass drum, has a longer 每秒周期. This principle is not only applicable to sound but also to light waves and other electromagnetic waves, where frequency and wavelength are inversely related. Moreover, in engineering applications, understanding 'period per second' is essential for designing systems that involve oscillations, such as clocks and oscillators. Engineers often need to calculate the required frequency for devices to function correctly. For example, in radio communication, different frequencies are used to transmit signals, and knowing the 每秒周期 helps ensure the signals do not interfere with each other. In addition to its scientific applications, the concept of 'period per second' also finds relevance in everyday life. Musicians, for instance, rely on the understanding of frequency to tune their instruments. The standard pitch for tuning musical notes is based on a frequency of 440 Hz, which means the note A above middle C vibrates at 440 cycles per second, giving it a 每秒周期 of approximately 0.00227 seconds. This knowledge allows musicians to create harmonious sounds that resonate well together. In conclusion, grasping the idea of 'period per second' enhances our understanding of various phenomena in both scientific and practical contexts. Whether analyzing the motion of a pendulum, understanding sound waves, or tuning musical instruments, the relationship between frequency and period plays a crucial role. As we continue to explore the intricacies of the world around us, recognizing the significance of concepts like 'period per second' will undoubtedly deepen our appreciation for the sciences and the arts alike.

理解频率的概念在科学、工程甚至音乐等多个领域中都是至关重要的。频率通常通过术语“每秒周期”来表达。在科学术语中，频率指的是特定时间框架内事件发生的频率。频率的单位通常以赫兹（Hz）来衡量，其中一个赫兹等于每秒一个周期。因此，当我们谈论“每秒周期”时，我们实际上是在讨论频率的倒数。为了更深入地理解这个概念，让我们考虑一个简单的例子：摆锤前后摆动。如果摆锤在两秒内完成一个完整的摆动（一个周期），那么它的频率将是0.5 Hz，这意味着它的每秒周期是2秒。相反，如果摆锤摆动得更快，在一秒内完成一个完整的摆动，它的频率将是1 Hz，表示其每秒周期是1秒。频率和周期之间的这种关系对于理解振荡运动和波动至关重要。在物理学领域，“每秒周期”的概念对于分析波动现象至关重要。例如，声波通过各种介质传播，其频率决定了我们听到的音高。高频声音，如口哨，具有较短的每秒周期，而低频声音，如低音鼓，具有较长的每秒周期。这一原理不仅适用于声音，还适用于光波和其他电磁波，其中频率和波长是成反比的。此外，在工程应用中，理解“每秒周期”对于设计涉及振荡的系统（如钟表和振荡器）至关重要。工程师常常需要计算设备正常运行所需的频率。例如，在无线电通信中，使用不同的频率来传输信号，而了解每秒周期有助于确保信号之间不会相互干扰。除了科学应用之外，“每秒周期”的概念在日常生活中也很相关。音乐家们依赖频率的理解来调整他们的乐器。标准音高的调音基于440 Hz的频率，这意味着中音C上方的A音以440个周期每秒振动，给它的每秒周期大约为0.00227秒。这一知识使音乐家能够创造出和谐的声音，使得音符之间的共鸣效果更佳。总之，掌握“每秒周期”的概念增强了我们对科学和实际背景中各种现象的理解。无论是分析摆锤的运动、理解声波还是调整乐器，频率与周期之间的关系都起着至关重要的作用。随着我们继续探索周围世界的复杂性，认识到像“每秒周期”这样的概念的重要性无疑会加深我们对科学和艺术的欣赏。