cycle per second
简明释义
每秒周数
英英释义
A unit of frequency equivalent to one hertz, representing one complete cycle of a periodic wave occurring in one second. | 频率单位,相当于一个赫兹,表示每秒发生一次完整周期的周期性波动。 |
例句
1.In electrical engineering, the alternating current operates at a frequency of 60 cycles per second in North America.
在电气工程中,交流电在北美的频率为60每秒循环次数。
2.The human ear can typically hear sounds ranging from 20 cycles per second to 20,000 cycles per second.
人耳通常可以听到的声音范围是从20每秒循环次数到20,000每秒循环次数。
3.When tuning a radio, you adjust the frequency to match the station's cycles per second.
调节收音机时,你需要调整频率以匹配电台的每秒循环次数。
4.The frequency of the sound wave is measured in cycles per second, which is also known as Hertz.
声波的频率以每秒循环次数来测量,也称为赫兹。
5.The computer's processor speed is often expressed in millions of cycles per second or megahertz.
计算机的处理器速度通常以百万每秒循环次数或兆赫兹表示。
作文
In the realm of physics and engineering, the concept of frequency plays a crucial role in understanding various phenomena. One of the terms frequently encountered in this context is cycle per second, which refers to the number of complete cycles of a periodic event that occur in one second. This measurement is fundamental in fields such as acoustics, electronics, and wave mechanics, as it helps quantify how often a repeating event occurs over time.The term cycle per second is often abbreviated as Hertz (Hz), named after the German physicist Heinrich Hertz, who made significant contributions to the study of electromagnetic waves. For instance, when we say that a sound wave has a frequency of 440 Hz, we mean that the wave completes 440 cycles every second. This specific frequency is particularly notable because it corresponds to the musical note A above middle C, which is widely used as a tuning standard in music.Understanding cycle per second is essential not only for musicians but also for engineers who design audio equipment. When creating speakers, for example, engineers must consider the frequencies they need to reproduce accurately. If a speaker can handle low frequencies, it will be able to produce deep bass sounds, while one designed for higher frequencies will excel at producing treble sounds. The ability to measure and manipulate frequencies allows engineers to create a balanced sound experience that caters to various musical genres.Moreover, the concept of cycle per second extends beyond sound waves. It is also applicable to electromagnetic waves, such as radio waves, microwaves, and light waves. Each type of wave has its own frequency range, and understanding these frequencies is crucial for communication technologies. For instance, radio stations broadcast at specific frequencies measured in megahertz (MHz), where one megahertz equals one million cycle per second. This allows different stations to transmit signals without interference, enabling clear reception for listeners.In addition to audio and radio applications, the principle of cycle per second is vital in the realm of digital technology. In computer science, the clock speed of a processor is measured in hertz, indicating how many cycles it can perform in one second. A processor with a clock speed of 3 GHz can execute three billion cycles per second, significantly impacting its performance and the efficiency of the devices that rely on it.Furthermore, the understanding of cycle per second is crucial in medical technologies, particularly in diagnostic imaging techniques such as MRI and ultrasound. These technologies utilize specific frequencies to create images of the body's internal structures. For instance, ultrasound machines operate at frequencies typically between 1 MHz and 10 MHz, allowing them to produce real-time images of organs and tissues, which are invaluable for medical diagnosis and treatment planning.In conclusion, the term cycle per second serves as a foundational concept across multiple disciplines, from music and audio engineering to telecommunications and medical imaging. By grasping the significance of this measurement, individuals can enhance their understanding of how various technologies operate and interact in our daily lives. Whether it is tuning an instrument, designing a speaker, or developing a new medical device, the principle of cycle per second remains a critical element in the pursuit of knowledge and innovation.
在物理和工程领域,频率的概念在理解各种现象中起着至关重要的作用。在这个背景下,常常遇到的一个术语是每秒周期,它指的是在一秒钟内发生的周期性事件的完整周期数。这一测量在声学、电子学和波动力学等领域是基础,因为它有助于量化重复事件在时间上的发生频率。术语每秒周期通常缩写为赫兹(Hz),以纪念德国物理学家海因里希·赫兹,他对电磁波的研究做出了重要贡献。例如,当我们说一个声波的频率为440 Hz时,我们的意思是该波每秒完成440个周期。这一特定频率尤其值得注意,因为它对应于中音C上方的A音符,这在音乐中被广泛用作调音标准。理解每秒周期对于音乐家来说至关重要,对于设计音频设备的工程师来说同样重要。在制作扬声器时,工程师必须考虑他们需要准确再现的频率。如果扬声器能够处理低频,它将能够产生深沉的低音,而设计用于高频的扬声器将擅长产生高音。测量和操控频率的能力使工程师能够创造出平衡的声音体验,以满足各种音乐风格的需求。此外,每秒周期的概念不仅适用于声波。它同样适用于电磁波,如无线电波、微波和光波。每种类型的波都有其自己的频率范围,理解这些频率对于通信技术至关重要。例如,广播电台在以兆赫(MHz)为单位的特定频率上广播,其中一个兆赫等于每秒一百万个周期。这使得不同的电台可以在不干扰的情况下传输信号,从而为听众提供清晰的接收效果。除了音频和无线电应用之外,每秒周期的原则在数字技术领域也至关重要。在计算机科学中,处理器的时钟速度以赫兹为单位进行测量,表示它在一秒钟内可以执行多少个周期。时钟速度为3 GHz的处理器可以每秒执行三十亿个周期,这对其性能以及依赖于它的设备的效率有显著影响。此外,理解每秒周期在医疗技术中也是至关重要的,特别是在诊断成像技术如MRI和超声波中。这些技术利用特定的频率来创建身体内部结构的图像。例如,超声波机通常在1 MHz到10 MHz之间的频率下工作,使其能够实时产生器官和组织的图像,这对医学诊断和治疗计划非常宝贵。总之,术语每秒周期作为多个学科的基础概念,从音乐和音频工程到电信和医学成像。通过掌握这一测量的意义,个人可以增强对各种技术如何在日常生活中运作和相互作用的理解。无论是调音、设计扬声器还是开发新的医疗设备,每秒周期的原则在知识和创新的追求中始终是一个关键要素。
相关单词