kilocycles per second

简明释义

千赫千周秒

英英释义

例句

1.A typical AM radio station broadcasts at around 100 kilocycles per second.

典型的AM广播电台大约在100千周每秒的频率下广播。

2.The testing equipment measures frequencies in kilocycles per second for accuracy.

测试设备以千周每秒为单位测量频率以确保准确性。

3.In telecommunications, signals can be transmitted at speeds of up to 5000 kilocycles per second.

在电信中，信号可以以高达5000千周每秒的速度传输。

4.The radio frequency was set to 1000 kilocycles per second.

无线电频率设置为1000千周每秒。

5.The audio system operates efficiently between 20 and 20000 kilocycles per second.

音频系统在20到20000千周每秒之间高效运作。

作文

In the realm of physics and engineering, understanding various measurements is crucial for both theoretical and practical applications. One such measurement that often arises in discussions about sound waves, radio frequencies, and other forms of wave phenomena is the term kilocycles per second. This phrase refers to the frequency of a wave, specifically indicating how many cycles occur in one second, measured in thousands of cycles. To grasp the significance of kilocycles per second, it is essential to break down its components and explore its applications in different fields.The term 'cycle' in this context represents one complete waveform, which can be visualized as a single oscillation of a sound wave or an electromagnetic wave. When we say kilocycles per second, it denotes that there are a thousand cycles occurring each second. This unit of measurement is more commonly referred to today as kilohertz (kHz), where 1 kHz equals 1,000 cycles per second. Understanding this conversion helps us appreciate the broader context of frequency measurements in modern technology.In telecommunications, for instance, kilocycles per second plays a vital role in determining the bandwidth of signals. The higher the frequency, the more data can be transmitted in a given time frame. For example, AM radio stations typically broadcast at frequencies ranging from about 530 to 1700 kHz, which translates to 0.53 to 1.7 kilocycles per second. This range allows for clear audio transmission over long distances, making it suitable for broadcasting news and entertainment.In contrast, FM radio operates at much higher frequencies, usually between 88 MHz and 108 MHz, which equates to 88,000 to 108,000 kilocycles per second. The higher frequency of FM allows for better sound quality and reduced interference, which is why many listeners prefer it over AM. This demonstrates how the concept of kilocycles per second directly impacts our daily lives and the technologies we use.Moreover, in the field of acoustics, the frequency of sound waves is measured in kilocycles per second to determine pitch. Humans can typically hear sounds ranging from about 20 Hz to 20 kHz, or 0.02 to 20 kilocycles per second. This range is critical for music production, where understanding frequency can help create harmonious sounds and avoid dissonance. Musicians and sound engineers often rely on these measurements to fine-tune their instruments and recordings.In summary, the term kilocycles per second serves as a fundamental concept in various scientific and technological fields. By recognizing its importance in measuring frequency, we can better understand how waves function and how they impact our world. Whether in telecommunications, acoustics, or other domains, the ability to quantify cycles per second allows for advancements that enhance communication, entertainment, and even our understanding of the natural world. As we continue to innovate and develop new technologies, the relevance of kilocycles per second remains a cornerstone of progress, reminding us of the intricate relationship between frequency and the myriad of applications it encompasses.

在物理和工程领域，理解各种测量对于理论和实践应用至关重要。一个常常出现在有关声波、无线电频率及其他波动现象讨论中的测量是“千循环每秒”（kilocycles per second）这个术语。这个短语指的是波的频率，具体表示在一秒钟内发生多少个周期，以千个周期为单位。要理解kilocycles per second的重要性，有必要分解其组成部分，并探讨其在不同领域的应用。在这个背景下，“周期”代表一个完整的波形，可以想象为声波或电磁波的一次完整振荡。当我们说kilocycles per second时，它表示每秒发生一千个周期。这种测量单位在今天更常被称为千赫兹（kHz），其中1 kHz等于每秒1000个周期。理解这种转换有助于我们欣赏现代技术中频率测量的更广泛背景。例如，在电信领域，kilocycles per second在确定信号带宽方面发挥着至关重要的作用。频率越高，单位时间内可以传输的数据就越多。例如，AM广播电台的广播频率通常范围在约530到1700 kHz之间，这相当于0.53到1.7kilocycles per second。这个范围允许清晰的音频在长距离上传输，使其适合于新闻和娱乐的广播。相反，FM广播则在更高的频率下运行，通常在88 MHz到108 MHz之间，这相当于88,000到108,000kilocycles per second。FM的高频率允许更好的音质和减少干扰，这就是为什么许多听众更喜欢它而不是AM。这表明kilocycles per second的概念直接影响我们的日常生活和我们使用的技术。此外，在声学领域，声波的频率以kilocycles per second为单位进行测量以确定音高。人类通常可以听到的声音范围大约是20 Hz到20 kHz，或0.02到20kilocycles per second。这个范围对音乐制作至关重要，因为理解频率可以帮助创造和谐的声音，避免不和谐。音乐家和音响工程师常常依赖这些测量来微调他们的乐器和录音。总之，术语kilocycles per second在各种科学和技术领域中作为一个基本概念。通过认识到它在测量频率方面的重要性，我们可以更好地理解波是如何运作的，以及它们如何影响我们的世界。无论是在电信、声学还是其他领域，量化每秒周期的能力都有助于推动增强通信、娱乐，甚至我们对自然世界的理解的进步。随着我们继续创新和开发新技术，kilocycles per second的相关性仍然是进步的基石，提醒我们频率与其所涵盖的无数应用之间的复杂关系。