frequency range

简明释义

波段

英英释义

例句

1.Understanding the 频率范围 of audio signals is crucial for sound engineers.

理解音频信号的频率范围对声音工程师至关重要。

2.The device operates within a specific 频率范围 to ensure optimal performance.

该设备在特定的频率范围内运行，以确保最佳性能。

3.The 频率范围 of human hearing typically spans from 20 Hz to 20 kHz.

人类听觉的频率范围通常从20 Hz到20 kHz。

4.Different communication systems utilize various 频率范围 for transmission.

不同的通信系统利用各种频率范围进行传输。

5.The radio station broadcasts within a 频率范围 of 88 to 108 MHz.

该广播电台在88到108 MHz的频率范围内播出。

作文

In the world of science and technology, understanding various concepts is crucial for innovation and advancement. One such concept that plays a significant role in fields like telecommunications, audio engineering, and even medical imaging is the term frequency range. The frequency range refers to the spectrum of frequencies over which a particular system operates effectively. This can include anything from the low frequencies of sound waves to the high frequencies used in radio communications.To illustrate the importance of frequency range, let’s consider audio systems. When we listen to music, we experience a wide variety of sounds, each with its own frequency. The human ear can typically hear frequencies ranging from about 20 Hz to 20,000 Hz. Audio equipment, such as speakers and headphones, is designed to reproduce these frequencies accurately. If a speaker has a limited frequency range, it may not be able to produce deep bass sounds or high treble notes, resulting in a less enjoyable listening experience.Similarly, in telecommunications, the frequency range is vital for transmitting data effectively. Different communication technologies operate on specific frequency bands. For example, Wi-Fi networks use frequencies around 2.4 GHz and 5 GHz. Understanding the frequency range allows engineers to design systems that minimize interference and maximize data transfer rates. When devices operate within their optimal frequency range, they can communicate more efficiently, ensuring a stable and fast connection.Moreover, in medical imaging, technologies like MRI and ultrasound rely heavily on frequency range. Ultrasound imaging uses sound waves at frequencies higher than the audible range (typically above 20 kHz) to create images of the inside of the body. The choice of frequency range in this context is crucial, as different frequencies provide varying levels of detail and penetration depth into tissues. Higher frequencies yield better resolution but have lower penetration, while lower frequencies can penetrate deeper but offer less detail.Understanding the frequency range is not only important for professionals in these fields but also for consumers. When purchasing audio equipment, for instance, knowing the frequency range can help consumers choose products that best fit their listening preferences. Similarly, understanding how frequency range affects wireless connectivity can guide consumers in selecting the right devices for their needs.In conclusion, the concept of frequency range is fundamental across various domains, from audio technology to telecommunications and medical applications. Recognizing the significance of frequency range enables individuals and professionals alike to make informed decisions, whether they are designing complex systems or simply enjoying their favorite music. As technology continues to evolve, a solid grasp of frequency range will remain essential for navigating the increasingly interconnected world we live in.

在科学和技术的世界中，理解各种概念对于创新和进步至关重要。其中一个在电信、音频工程甚至医学成像等领域发挥重要作用的术语是频率范围。频率范围指的是特定系统有效运行的频率谱。这可以包括从低频声音波到用于无线电通信的高频率。为了说明频率范围的重要性，让我们考虑音频系统。当我们听音乐时，会体验到各种各样的声音，每种声音都有其自己的频率。人耳通常可以听到的频率范围大约是20 Hz到20,000 Hz。音频设备，如扬声器和耳机，旨在准确再现这些频率。如果扬声器的频率范围有限，它可能无法产生深沉的低音或高音，从而导致听觉体验不佳。同样，在电信中，频率范围对有效数据传输至关重要。不同的通信技术在特定的频率带上运行。例如，Wi-Fi网络使用大约2.4 GHz和5 GHz的频率。理解频率范围使工程师能够设计出最小化干扰并最大化数据传输速率的系统。当设备在其最佳频率范围内运行时，它们可以更高效地通信，确保稳定快速的连接。此外，在医学成像中，MRI和超声等技术在很大程度上依赖于频率范围。超声成像使用高于可听范围（通常在20 kHz以上）的声波来创建体内图像。在这种情况下，频率范围的选择至关重要，因为不同的频率提供不同的细节水平和组织穿透深度。高频率提供更好的分辨率，但穿透力较弱，而低频率可以深入穿透，但提供的细节较少。理解频率范围不仅对这些领域的专业人士重要，对消费者也是如此。例如，在购买音频设备时，了解频率范围可以帮助消费者选择最适合他们听音偏好的产品。同样，理解频率范围如何影响无线连接可以指导消费者选择适合自己需求的设备。总之，频率范围的概念在音频技术、电信和医学应用等各个领域都是基础。认识到频率范围的重要性使个人和专业人士能够做出明智的决策，无论他们是在设计复杂的系统还是仅仅享受自己喜欢的音乐。随着技术的不断发展，扎实掌握频率范围将继续成为我们在日益互联的世界中导航的必备技能。