kilocycles per second

简明释义

千赫

英英释义

例句

1.She tuned her radio to 1500 kilocycles per second to catch the news broadcast.

她将收音机调到1500千循环每秒以收听新闻广播。

2.The equipment is designed to measure signals up to 2000 kilocycles per second.

该设备设计用于测量高达2000千循环每秒的信号。

3.The radio transmitter operates at a frequency of 500 kilocycles per second.

该无线电发射机的工作频率为500千循环每秒。

4.In the early days of broadcasting, stations were often assigned frequencies in kilocycles per second.

在广播的早期，电台通常被分配以千循环每秒为单位的频率。

5.The sound wave in this experiment oscillates at 1000 kilocycles per second.

本实验中的声波以1000千循环每秒的频率振荡。

作文

In the realm of physics and engineering, understanding various units of measurement is crucial for effective communication and application. One such unit that may seem obscure to many is kilocycles per second. This term refers to a frequency measurement, specifically indicating how many cycles occur in one second, with one kilocycle equating to one thousand cycles. To grasp the significance of this unit, it is essential to explore its historical context and practical applications.Historically, the term kilocycles per second was commonly used in the early days of radio technology and telecommunications. In these fields, the frequency of electromagnetic waves is vital for transmitting signals effectively. For instance, when a radio station broadcasts at a frequency of 100 kilocycles per second, it means that the station's signal oscillates 100,000 times each second. This high frequency allows for clearer transmission of audio signals over long distances, making radio communication possible.However, as technology advanced, the use of kilocycles per second began to decline in favor of the more modern term 'hertz' (Hz). The hertz is now the standard unit of frequency in the International System of Units (SI), where one hertz equals one cycle per second. Thus, 1 kilocycle per second is equivalent to 1 kilohertz (kHz). Despite this shift in terminology, understanding kilocycles per second is still relevant, especially when studying older technologies or historical documents that reference this unit.The relevance of kilocycles per second extends beyond radio waves. It also plays a significant role in various fields, including audio engineering, acoustics, and even medical imaging techniques like ultrasound. For example, in audio engineering, sound waves are measured in hertz, and understanding the frequency range of human hearing—typically between 20 Hz and 20 kHz—can help engineers design better audio equipment. Knowing that 20 kHz corresponds to 20,000 kilocycles per second allows for a clearer comprehension of sound quality and fidelity.In the field of medical imaging, ultrasound technology utilizes high-frequency sound waves to create images of the inside of the body. These sound waves typically operate in the megahertz range, which translates to millions of cycles per second. However, the foundational understanding of frequency through units like kilocycles per second remains important for those studying the principles of acoustics and wave behavior.In conclusion, while the term kilocycles per second may not be as widely used today, its significance in the history of technology and its continued relevance in various scientific fields cannot be understated. Whether it is in the context of radio waves, audio engineering, or medical imaging, understanding this measurement allows for a deeper appreciation of how frequency affects our daily lives. As we continue to advance technologically, revisiting these historical terms can provide valuable insights into the evolution of measurement and its impact on our world. Therefore, the journey of understanding kilocycles per second is not just about grasping a unit of measure; it is about connecting with the very foundations of communication and technology that shape our modern existence.

在物理和工程领域，理解各种测量单位对于有效沟通和应用至关重要。一个看似模糊的单位是千周期每秒。这个术语指的是频率测量，具体表示在一秒钟内发生多少个周期，其中一个千周期等于一千个周期。为了理解这个单位的重要性，探索它的历史背景和实际应用至关重要。历史上，千周期每秒这个术语在无线电技术和电信的早期阶段被广泛使用。在这些领域，电磁波的频率对于有效传输信号至关重要。例如，当一个广播电台以100千周期每秒的频率播出时，这意味着该电台的信号每秒振荡100,000次。这种高频率使得音频信号能够在长距离上传输得更清晰，从而使无线电通信成为可能。然而，随着技术的发展，千周期每秒的使用开始减少，取而代之的是更现代的术语“赫兹”（Hz）。赫兹现在是国际单位制（SI）中频率的标准单位，其中一个赫兹等于每秒一个周期。因此，1千周期每秒等于1千赫兹（kHz）。尽管术语有所变化，但理解千周期每秒仍然相关，特别是在研究较旧的技术或参考此单位的历史文献时。千周期每秒的相关性不仅限于无线电波。它在音频工程、声学甚至医学成像技术如超声波中也发挥着重要作用。例如，在音频工程中，声波以赫兹为单位进行测量，理解人类听觉的频率范围——通常在20 Hz到20 kHz之间——可以帮助工程师设计更好的音频设备。知道20 kHz对应于20,000 千周期每秒有助于更清晰地理解音质和保真度。在医学成像领域，超声技术利用高频声波创建体内图像。这些声波通常在兆赫兹范围内工作，相当于每秒数百万个周期。然而，通过像千周期每秒这样的单位来理解频率的基础知识仍然对研究声学和波动行为的学生至关重要。总之，虽然千周期每秒这个术语今天可能不再被广泛使用，但它在技术历史中的重要性及其在各种科学领域的持续相关性不容小觑。无论是在无线电波、音频工程还是医学成像的背景下，理解这一测量单位都能加深我们对频率如何影响日常生活的认识。随着我们继续技术进步，重新审视这些历史术语可以为我们提供关于测量演变及其对我们世界影响的宝贵见解。因此，理解千周期每秒的旅程不仅仅是掌握一个测量单位；它是与塑造我们现代存在的通信和技术基础连接的过程。