frequency range

简明释义

频率范围

英英释义

例句

1.The 频率范围 of the ultrasound used in medical imaging is very specific.

用于医学成像的超声波的频率范围非常具体。

2.Different types of communication systems operate at different 频率范围.

不同类型的通信系统在不同的频率范围内运行。

3.The device can measure signals in the 频率范围 of 1 MHz to 1 GHz.

该设备可以测量1 MHz到1 GHz的频率范围内的信号。

4.In audio engineering, the 频率范围 of human hearing is typically from 20 Hz to 20 kHz.

在音频工程中，人类听力的频率范围通常是从20赫兹到20千赫兹。

5.The radio operates within a specific 频率范围 to avoid interference.

这台收音机在特定的频率范围内工作，以避免干扰。

作文

In the realm of science and technology, particularly in fields like telecommunications and audio engineering, the concept of frequency range is crucial. The frequency range refers to the span of frequencies that a particular device or system can process, transmit, or receive. Understanding this concept is essential for engineers and technicians who work with various equipment, as it directly affects performance and quality.For instance, in audio engineering, different instruments produce sounds at varying frequency ranges. A piano typically covers a frequency range from about 27.5 Hz to 4,186 Hz, while a human voice usually falls within a frequency range of approximately 85 Hz to 1,100 Hz. This variance in frequency range is what allows us to distinguish between different sounds and tones. When mixing music, sound engineers must pay close attention to the frequency range of each instrument to ensure that they complement rather than clash with each other.In telecommunications, the frequency range is equally important. Different communication technologies operate on specific frequency ranges to avoid interference. For example, Wi-Fi operates at 2.4 GHz and 5 GHz, while cellular networks use various frequency ranges depending on the technology (e.g., 3G, 4G, 5G). Understanding these frequency ranges helps in designing devices that can effectively transmit and receive signals without disruption.Moreover, the frequency range also plays a significant role in the field of medicine, particularly in diagnostic imaging. Techniques such as ultrasound rely on sound waves within a specific frequency range to create images of internal organs. The frequency range used in ultrasound typically falls between 2 MHz and 20 MHz. By adjusting the frequency range, medical professionals can enhance image resolution or penetrate deeper tissues based on the diagnostic requirements.In conclusion, the term frequency range encompasses a wide array of applications across various industries. Whether in audio engineering, telecommunications, or medical imaging, understanding the frequency range is vital for optimizing performance and achieving desired outcomes. As technology continues to evolve, the significance of frequency range will only grow, making it a fundamental concept for anyone involved in technical fields. It is essential for professionals to continuously educate themselves about the frequency range relevant to their work to stay ahead in an ever-changing landscape. Consequently, mastering the concept of frequency range not only enhances individual expertise but also contributes to the advancement of technology as a whole.

在科学和技术的领域，特别是在电信和音频工程等领域，频率范围的概念至关重要。频率范围是指特定设备或系统能够处理、传输或接收的频率跨度。理解这一概念对从事各种设备工作的工程师和技术人员来说是必不可少的，因为它直接影响性能和质量。例如，在音频工程中，不同的乐器在不同的频率范围内产生声音。钢琴的频率范围通常在27.5 Hz到4186 Hz之间，而人声通常在大约85 Hz到1100 Hz之间。这种频率范围的差异使我们能够区分不同的声音和音调。在混音音乐时，音响工程师必须密切关注每个乐器的频率范围，以确保它们相辅相成，而不是相互冲突。在电信中，频率范围同样重要。不同的通信技术在特定的频率范围内工作，以避免干扰。例如，Wi-Fi在2.4 GHz和5 GHz下工作，而蜂窝网络根据技术（如3G、4G、5G）使用不同的频率范围。理解这些频率范围有助于设计能够有效传输和接收信号而不受干扰的设备。此外，频率范围在医学领域，特别是在诊断成像中也发挥着重要作用。超声波等技术依赖于特定频率范围内的声波来创建内部器官的图像。超声波使用的频率范围通常在2 MHz到20 MHz之间。通过调整频率范围，医疗专业人员可以根据诊断要求增强图像分辨率或深入组织。总之，频率范围这一术语涵盖了各个行业广泛的应用。无论是在音频工程、电信还是医学成像中，理解频率范围对于优化性能和实现预期结果至关重要。随着技术的不断发展，频率范围的重要性只会增加，使其成为任何涉及技术领域的人的基本概念。专业人士必须不断学习与他们工作相关的频率范围，以在不断变化的环境中保持领先。因此，掌握频率范围的概念不仅提高了个人的专业知识，还有助于技术的整体进步。