frequency range

简明释义

频率范围

英英释义

例句

1.In telecommunications, the frequency range used for mobile phones is crucial for signal clarity.

在电信中，手机使用的频率范围对信号清晰度至关重要。

2.Different animals can hear sounds in different frequency ranges, affecting their communication.

不同动物可以听到不同的频率范围的声音，这影响了它们的交流。

3.The scientific study focused on the frequency range of electromagnetic waves emitted by the sun.

这项科学研究集中在太阳发出的频率范围的电磁波上。

4.The radio operates within a specific frequency range, allowing it to tune into various stations.

这台收音机在特定的频率范围内工作，使其能够调谐到不同的电台。

5.The audio engineer adjusted the frequency range to enhance the bass response in the music track.

音频工程师调整了频率范围以增强音乐轨道中的低音响应。

作文

In the world of science and technology, understanding various concepts is crucial for innovation and development. One such concept that plays a significant role in fields like telecommunications, audio engineering, and physics is the term frequency range. The frequency range refers to the spectrum of frequencies over which a certain phenomenon occurs or is measured. This can pertain to sound waves, radio waves, or any other type of wave phenomena. For instance, in audio engineering, the frequency range of human hearing is typically between 20 Hz to 20 kHz. This means that sounds below 20 Hz are considered infrasound, while those above 20 kHz are classified as ultrasound.Understanding the frequency range is essential for various applications. In telecommunications, different frequency ranges are allocated for different types of communication. For example, the FM radio operates within a specific frequency range that allows it to transmit audio signals effectively. If the frequency range were not properly defined, interference would occur, leading to poor audio quality or even loss of signal.Moreover, in the context of audio equipment, manufacturers often specify the frequency range of their products. This specification informs consumers about the capability of speakers or headphones to reproduce sound accurately. A wider frequency range generally indicates better sound reproduction, allowing listeners to experience music as it was intended by the artists. For instance, a pair of high-quality headphones may have a frequency range from 5 Hz to 40 kHz, ensuring that both the deep bass notes and the high-frequency sounds can be heard clearly.In scientific research, the frequency range is also crucial when studying various phenomena. For example, in seismology, the frequency range of seismic waves can provide valuable information about the Earth's interior. Different geological structures will reflect and refract these waves differently depending on their frequency range. This data can help scientists understand more about earthquakes and the composition of the Earth's crust.Additionally, in the field of medicine, the frequency range is vital in technologies such as ultrasound imaging. Ultrasound machines operate at specific frequency ranges to create images of the inside of the body. The frequency range used will determine the resolution and depth of the images produced. Higher frequencies provide better resolution but are less effective at penetrating deeper tissues, while lower frequencies can penetrate deeper but may result in poorer image quality.In conclusion, the concept of frequency range is fundamental across various disciplines, from audio engineering to telecommunications and scientific research. Understanding the frequency range allows professionals to optimize their work, whether it be in creating high-fidelity audio experiences, ensuring clear communication signals, or advancing medical imaging techniques. As technology continues to evolve, the importance of mastering the concept of frequency range will only increase, highlighting its relevance in our daily lives and the advancements of the future.

在科学和技术的世界中，理解各种概念对于创新和发展至关重要。其中一个在电信、音频工程和物理等领域发挥重要作用的术语是频率范围。频率范围指的是某种现象发生或被测量的频率谱。这可以涉及声波、无线电波或任何其他类型的波现象。例如，在音频工程中，人类听觉的频率范围通常在20 Hz到20 kHz之间。这意味着低于20 Hz的声音被认为是次声，而高于20 kHz的声音则被归类为超声。理解频率范围对各种应用至关重要。在电信中，不同的频率范围被分配用于不同类型的通信。例如，FM广播在特定的频率范围内工作，使其能够有效地传输音频信号。如果频率范围没有被正确定义，就会发生干扰，导致音质差或甚至信号丢失。此外，在音频设备的上下文中，制造商通常会指定其产品的频率范围。这个规格告知消费者扬声器或耳机重现声音的能力。更宽的频率范围通常表示更好的声音重现，使听众能够体验到艺术家所意图的音乐。例如，一副高质量的耳机可能具有从5 Hz到40 kHz的频率范围，确保深沉的低音和高频声音都能清晰地听到。在科学研究中，频率范围在研究各种现象时也至关重要。例如，在地震学中，地震波的频率范围可以提供有关地球内部的宝贵信息。不同的地质结构会根据其频率范围以不同的方式反射和折射这些波。这些数据可以帮助科学家更好地了解地震及地壳的组成。此外，在医学领域，频率范围在超声成像等技术中至关重要。超声机器在特定的频率范围内工作，以创建身体内部的图像。使用的频率范围将决定所产生图像的分辨率和深度。较高的频率提供更好的分辨率，但对深层组织的穿透效果较差，而较低的频率可以深入穿透，但可能导致图像质量较差。总之，频率范围的概念在各个学科中都是基础，从音频工程到电信再到科学研究。理解频率范围使专业人士能够优化他们的工作，无论是在创造高保真音频体验、确保清晰的通信信号还是推进医学成像技术方面。随着技术的不断发展，掌握频率范围的概念的重要性只会增加，突显出它在我们日常生活和未来进步中的相关性。