cycles per second

简明释义

周秒

英英释义

例句

1.This laser operates at a frequency of 500 cycles per second.

这台激光器的工作频率为500每秒周期。

2.The frequency of the radio signal is transmitted at 100 cycles per second.

无线电信号的频率以100每秒周期进行传输。

3.The processor of this computer can handle up to 3.5 cycles per second.

这台计算机的处理器可以处理高达3.5每秒周期。

4.The heart rate can be expressed in cycles per second when measuring electrical signals.

心率在测量电信号时可以用每秒周期表示。

5.In audio engineering, sound waves are measured in cycles per second.

在音频工程中，声波以每秒周期为单位进行测量。

作文

Understanding the concept of frequency is essential in various fields, particularly in physics and engineering. One of the most common ways to express frequency is through the term cycles per second, which is often abbreviated as Hz (Hertz). This measurement indicates how many complete cycles of a periodic wave occur in one second. For example, if a sound wave has a frequency of 440 cycles per second, it means that the wave completes 440 full oscillations every second. This concept is crucial in understanding sound, light, and even electrical signals.In acoustics, the frequency of a sound wave determines its pitch. Higher frequencies correspond to higher pitches, while lower frequencies relate to deeper sounds. A tuning fork that vibrates at 440 cycles per second produces the musical note A above middle C, which is a standard reference pitch in music. Musicians and composers rely on this understanding to create harmonious melodies and chords. Without the precise measurement of cycles per second, it would be challenging to achieve the desired musical effects.In the realm of electronics, the concept of cycles per second is equally important. Alternating current (AC) electricity, which powers our homes and devices, operates at specific frequencies. In the United States, the standard frequency is 60 Hz, meaning the current changes direction 60 times per second. In contrast, many countries in Europe use a frequency of 50 Hz. Understanding these frequencies helps engineers design electrical systems and ensures compatibility between different devices and power sources.Additionally, the concept of cycles per second extends beyond sound and electricity into the field of optics. Light waves, which are electromagnetic waves, also have frequencies measured in cycles per second. The visible spectrum of light ranges from approximately 430 trillion Hz (red light) to about 750 trillion Hz (violet light). This range of frequencies corresponds to the colors we perceive. Understanding the frequency of light waves allows scientists to explore various phenomena, such as the behavior of lasers and the principles of fiber optics.Moreover, the significance of cycles per second can be seen in the analysis of mechanical systems. Engineers often study the vibrations of structures, machines, and vehicles to ensure their stability and performance. By measuring the frequency of these vibrations in cycles per second, they can predict potential issues, such as resonance, which can lead to catastrophic failures.In conclusion, the term cycles per second is a fundamental concept that permeates various scientific and engineering disciplines. It provides a standardized way to measure frequency, which is vital for understanding sound, electricity, light, and mechanical vibrations. Whether you are a musician tuning an instrument, an engineer designing electrical systems, or a scientist studying the properties of light, grasping the meaning and application of cycles per second is crucial for success in your field. As technology continues to advance, the importance of this measurement will only grow, making it essential for future innovations and discoveries.

理解频率的概念在各个领域都是至关重要的，尤其是在物理学和工程学中。表达频率的最常见方式之一是使用术语每秒循环次数，通常缩写为Hz（赫兹）。这个测量值表示在一秒钟内发生多少个完整的周期波动。例如，如果一个声波的频率为440每秒循环次数，这意味着该波每秒完成440次完整的振荡。这个概念对于理解声音、光甚至电信号至关重要。在声学中，声波的频率决定了其音高。较高的频率对应较高的音调，而较低的频率则与较低的声音相关。一个以440每秒循环次数振动的音叉产生的音乐音符是中音C上方的A音，这是音乐中的标准参考音。音乐家和作曲家依赖于这一理解来创作和谐的旋律和和弦。如果没有对每秒循环次数的精确测量，实现所需的音乐效果将会非常困难。在电子学领域，每秒循环次数的概念同样重要。交流电（AC）电力为我们的家居和设备供电，其运行在特定的频率下。在美国，标准频率为60Hz，这意味着电流每秒改变方向60次。相比之下，许多欧洲国家使用50Hz的频率。理解这些频率有助于工程师设计电气系统，并确保不同设备和电源之间的兼容性。此外，每秒循环次数的概念不仅限于声音和电力，还扩展到光学领域。光波，作为电磁波，其频率也以每秒循环次数进行测量。可见光谱的频率范围从约430万亿Hz（红光）到约750万亿Hz（紫光）。这个频率范围对应我们所感知的颜色。理解光波的频率使科学家能够探索各种现象，如激光的行为和光纤原理。此外，每秒循环次数的重要性还体现在机械系统的分析中。工程师通常研究结构、机器和车辆的振动，以确保它们的稳定性和性能。通过测量这些振动的频率（以每秒循环次数为单位），他们可以预测潜在问题，例如共振，这可能导致灾难性的故障。总之，术语每秒循环次数是一个基本概念，渗透到各种科学和工程学科中。它提供了一种标准化的频率测量方式，这对于理解声音、电力、光和机械振动至关重要。无论你是调音的音乐家、设计电气系统的工程师，还是研究光属性的科学家，掌握每秒循环次数的含义和应用对于你在该领域的成功至关重要。随着技术的不断进步，这一测量的重要性只会增加，使其成为未来创新和发现的基础。