kilo hertz

简明释义

千赫兹

英英释义

例句

1.The human hearing range is generally from 20 kilo hertz to 20,000 kilo hertz.

人类的听觉范围通常在20千赫兹到20,000千赫兹之间。

2.The sound waves produced by the speaker are typically around 1 kilo hertz.

扬声器产生的声波通常在1千赫兹左右。

3.In telecommunications, signals are often transmitted at frequencies of several hundred kilo hertz.

在电信中，信号通常以几百千赫兹的频率传输。

4.Most modern audio equipment operates within the range of 20 to 20,000 kilo hertz.

大多数现代音频设备的工作范围在20到20,000千赫兹之间。

5.The radio station broadcasts at a frequency of 101.5 kilo hertz.

这个广播电台的频率为101.5千赫兹。

作文

Understanding the concept of kilo hertz is essential for anyone interested in the fields of audio technology, telecommunications, and electronics. The term kilo hertz (kHz) refers to a unit of frequency that equals one thousand hertz. Hertz (Hz) is the standard unit of frequency in the International System of Units (SI), representing the number of cycles per second of a periodic phenomenon. Therefore, when we talk about kilo hertz, we are essentially discussing how many cycles occur in a second, specifically in increments of one thousand. This measurement is crucial in various applications, especially in sound and radio frequencies.In audio technology, for instance, the human ear can typically hear sounds ranging from 20 Hz to 20,000 Hz (or 20 kHz). When audio engineers and musicians work with sound, they often refer to frequencies in kilo hertz. For example, a common tuning frequency for musical instruments is 440 Hz, which is equivalent to 0.44 kilo hertz. Understanding these frequencies helps in mixing and mastering audio tracks, ensuring that the final product sounds balanced and clear.Moreover, in the realm of telecommunications, kilo hertz plays a significant role in defining the bandwidth of communication channels. For instance, traditional analog telephone systems operate around 300 Hz to 3,400 Hz, while digital systems can utilize much higher frequencies measured in kilo hertz or even megahertz (MHz). Higher frequencies allow for more data to be transmitted over a given channel, which is why modern broadband connections often operate in the megahertz range.Additionally, the concept of kilo hertz extends beyond audio and telecommunications into the world of electronics. Many devices, such as microcontrollers and processors, operate at specific clock speeds measured in kilo hertz. For instance, an older microprocessor might operate at a speed of 16 kHz, while modern processors operate in the gigahertz (GHz) range, which is thousands of times faster than kilo hertz. This increase in frequency allows for more operations to be performed per second, resulting in faster and more efficient processing capabilities.Understanding kilo hertz is not just about knowing its definition; it also involves recognizing its impact on technology and daily life. For example, when listening to music, the quality of sound can be affected by the sampling rate, which is often expressed in kilo hertz. Higher sampling rates can capture more detail in sound recordings, leading to a richer listening experience.In conclusion, kilo hertz is a fundamental concept that permeates various technological fields, including audio, telecommunications, and electronics. By grasping its significance, individuals can better appreciate the intricacies of sound, the efficiency of communication systems, and the performance of electronic devices. As technology continues to evolve, the relevance of kilo hertz will undoubtedly remain, making it a vital term to understand for anyone engaged in these industries.

理解千赫兹这一概念对于任何对音频技术、电信和电子学感兴趣的人来说都是至关重要的。术语千赫兹（kHz）指的是一个频率单位，等于一千赫兹。赫兹（Hz）是国际单位制（SI）中的标准频率单位，表示周期现象每秒的循环次数。因此，当我们谈论千赫兹时，我们实际上是在讨论每秒发生多少次循环，特别是以一千为增量的循环。这一测量在各种应用中都是至关重要的，尤其是在声音和无线电频率方面。例如，在音频技术中，人耳通常可以听到的声音范围是20 Hz到20,000 Hz（或20 kHz）。当音频工程师和音乐家处理声音时，他们通常会用千赫兹来表示频率。例如，乐器的常见调音频率是440 Hz，相当于0.44千赫兹。理解这些频率有助于混音和母带制作，确保最终产品的声音平衡且清晰。此外，在电信领域，千赫兹在定义通信通道的带宽方面也起着重要作用。例如，传统的模拟电话系统操作在300 Hz到3,400 Hz之间，而数字系统可以利用更高的频率，以千赫兹甚至兆赫兹（MHz）来衡量。更高的频率允许在给定通道上传输更多数据，这就是为什么现代宽带连接通常在兆赫兹范围内操作。此外，千赫兹的概念不仅限于音频和电信，还扩展到电子产品的世界。许多设备，如微控制器和处理器，以特定的时钟速度运行，以千赫兹为单位进行测量。例如，较旧的微处理器可能以16 kHz的速度运行，而现代处理器则以千兆赫（GHz）的速度运行，这比千赫兹快数千倍。这种频率的增加允许每秒执行更多操作，从而提高处理能力的速度和效率。理解千赫兹不仅仅是了解它的定义；还包括认识到它对技术和日常生活的影响。例如，在听音乐时，声音的质量可能会受到采样率的影响，而采样率通常以千赫兹表示。更高的采样率可以捕捉到声音录音中的更多细节，从而带来更丰富的听觉体验。总之，千赫兹是一个基本概念，渗透到音频、电信和电子等各个技术领域。通过掌握其重要性，个人可以更好地欣赏声音的复杂性、通信系统的效率以及电子设备的性能。随着技术的不断发展，千赫兹的相关性无疑将继续存在，使其成为任何参与这些行业的人必须理解的重要术语。