periods per second

简明释义

每秒周期数

英英释义

例句

1.The pendulum swings back and forth at a rate of 2 periods per second.

摆钟以每秒2个每秒周期数的速度来回摆动。

2.In electronics, the clock speed of a processor is often given in periods per second.

在电子学中，处理器的时钟速度通常以每秒周期数表示。

3.A higher number of periods per second indicates a faster oscillation in the system.

更高的每秒周期数表明系统中的振荡速度更快。

4.When tuning a guitar, you need to adjust the string tension to achieve the correct periods per second for each note.

调音吉他时，需要调整弦的张力，以达到每个音符的正确每秒周期数。

5.The frequency of the sound wave is measured in periods per second, which is also known as hertz.

声波的频率以每秒周期数来测量，也称为赫兹。

作文

Understanding the concept of frequency is essential in various fields, including physics, engineering, and even music. One of the key terms associated with this concept is "periods per second", which refers to the number of complete cycles or oscillations that occur in one second. In simpler terms, if we imagine a pendulum swinging back and forth, each complete swing from one side to the other represents one period. Therefore, if the pendulum swings back and forth five times in one second, we would say it has a frequency of five periods per second or 5 Hz (Hertz). This measurement is crucial because it allows us to quantify how quickly something occurs. In physics, the notion of frequency is not just limited to pendulums; it also applies to sound waves, light waves, and even electrical signals. For instance, when we talk about sound, the frequency determines the pitch of the sound we hear. A higher frequency means a higher pitch, while a lower frequency corresponds to a lower pitch. This is why musical notes are often described in terms of their frequencies measured in periods per second. A note like A440, for example, vibrates at 440 periods per second, which is the standard tuning pitch used by musicians.In engineering, understanding frequency is vital for designing systems that involve oscillations or vibrations. For example, in mechanical engineering, engineers must consider the natural frequencies of structures to avoid resonance, which can lead to catastrophic failures. If a bridge resonates with the frequency of wind or traffic, it could start vibrating uncontrollably, resulting in structural damage. Thus, knowing the periods per second at which these forces act is crucial for creating safe designs.Moreover, in the realm of electronics, the frequency of electrical signals, measured in periods per second, plays a significant role in communication technologies. For instance, radio waves operate at various frequencies, allowing us to tune into different stations. Each station broadcasts at its unique frequency, measured in megahertz (MHz), which translates to millions of periods per second. Understanding these frequencies enables us to enjoy clear audio and video signals.In conclusion, the term "periods per second" serves as a fundamental measurement across multiple disciplines. Whether we are analyzing the oscillations of a pendulum, the pitches of musical notes, or the frequencies of electrical signals, this concept helps us understand the world around us. Recognizing the significance of periods per second not only enhances our comprehension of scientific principles but also improves our ability to innovate and create in various fields. As we continue to explore the intricacies of frequency, we will undoubtedly uncover new applications and insights that further enrich our understanding of both nature and technology.

理解频率的概念在物理学、工程学甚至音乐等多个领域都是至关重要的。与这个概念相关的一个关键术语是“每秒周期数”，它指的是在一秒钟内发生的完整周期或振荡的数量。简单来说，如果我们想象一个摆锤在来回摆动，每一次从一侧到另一侧的完整摆动就代表一个周期。因此，如果摆锤在一秒钟内来回摆动五次，我们就可以说它的频率是五个每秒周期数或5 Hz（赫兹）。这种测量非常重要，因为它使我们能够量化某事发生的速度。在物理学中，频率的概念不仅限于摆锤；它还适用于声波、光波甚至电信号。例如，当我们谈论声音时，频率决定了我们听到的音调。较高的频率意味着较高的音调，而较低的频率对应较低的音调。这就是为什么音乐音符通常以其频率（以每秒周期数为单位）来描述的原因。例如，A440音符的振动频率为440每秒周期数，这是音乐家使用的标准调音音高。在工程学中，理解频率对于设计涉及振荡或振动的系统至关重要。例如，在机械工程中，工程师必须考虑结构的固有频率，以避免共振，这可能导致灾难性的故障。如果一座桥与风或交通的频率产生共振，它可能会开始不受控制地振动，从而导致结构损坏。因此，了解这些力量作用的每秒周期数对创建安全设计至关重要。此外，在电子学领域，电信号的频率（以每秒周期数为单位）在通信技术中扮演着重要角色。例如，无线电波在不同的频率下工作，使我们能够调入不同的电台。每个电台以其独特的频率广播，以兆赫（MHz）为单位，表示每秒百万个每秒周期数。理解这些频率使我们能够享受清晰的音频和视频信号。总之，术语“每秒周期数”作为一个基本测量在多个学科中发挥着重要作用。无论我们是在分析摆锤的振荡、音乐音符的音调，还是电信号的频率，这个概念帮助我们理解周围的世界。认识到每秒周期数的重要性不仅增强了我们对科学原理的理解，还提高了我们在各个领域创新和创造的能力。随着我们继续探索频率的复杂性，我们无疑会发现新的应用和见解，进一步丰富我们对自然和技术的理解。